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Spore cases Stock Photos and Images
RFPT5T3T–Bracken (Pteridium aquilinum) showing the spore cases or Sori on underside. Tipperary, Ireland
RMK70K5K–Spores in the sporangia on the underside of the fronds of Dryopteris erythrosora, a hardy evergreen fern
RF2G90YJK–Hart's Tongue Fern (Phyllitis scolopendrium) - wild fern with undivided fronds and large spore cases, growing in the hedgerow of a narrow countryside
RMEBJPNA–stiff clubmoss, stiff ground-pine (Lycopodium annotinum), with sporangia, Sweden, Lapland, Abisko National Park, Norrbotten
RMEBRY98–hart's tongue, European harts-tongue fern (Asplenium scolopendrium, Phyllitis scolopendrium), leaves with sporangia
RM2A77AE3–Sori or sporangia (spore cases) on the underside of a fern frond, Marattia alata, magnified x50. Chromolithograph after an illustration by E.T.D., lithographed by Vincent Brooks, from 'Graphic Microscopy' plates to illustrate 'Hardwicke's Science Gossip,' London, 1865-1885.
RFT5X4T7–It is picture of common Polypody leaf with sori and the sori or groups of spore-cases are borne on the back of the leaf, vintage line drawing or engra
RM2BBJJXJ–Gray Tree Frog (Hyla versicolor) resting on fern frond, E USA, by Dominique Braud/Dembinsky Photo Assoc
RFT5T054–A picture shows Spore-Cases Flower Plant. It is a reproductive cell capable of developing into a new individual without fusion with another reproducti
RMW27W5G–Archive image from page 317 of The cyclopædia of anatomy and. The cyclopædia of anatomy and physiology cyclopdiaofana05todd Year: 1859 superimposed upon each other, which com- bine to form a circular wall round a central cavity, which contains the germ, and is the termination of the quadrilateral canal. On the transformation of the germ-cell into the embryo, observations are as yet wanting. 89. Spores and sporangia.—The organs upon which the spore-cases are supported are ar- ranged in whorls round the upper part of the fruit-bearing stem. They seem to be modifications of the ordinary stem-le
RFT5X54F–A picture showing Collection of spore-cases in one part and sections of the spores which are highly magnified in the other part of Danaea alata plant,
RMK70K5H–Spores in the sporangia on the underside of the fronds of Dryopteris erythrosora, a hardy evergreen fern
RFT5T8J9–An image of riccia. It is the first cell of the gametophytic generation. In this image showing section of a part of the front and two immersed spore-c
RF2G90YJJ–Close up of lush green Hart's Tongue Fern (Phyllitis scolopendrium) - wild fern with undivided fronds and large spore cases, leaves growing in bright
RM2AJCYP8–Elementary botany . Fig. 263. Archegonial receptacles of marchantia bearing ripe sporogonia.psule of the sporogonium projects outside, while the stalk is attac The attached tothe receptacle underneath the curtain. In the left figure two of thecapsules have burst and the elaters and spores are escaping. tween the rays of the female receptacle, supportedon short stalks. These are the sporogonia, orspore-cases. We judge at once that they are quitedifferent from those which we have studied inriccia, since those were not stalked. We can seethat some of the spore-cases have opened, the wallsplitting
RMEBRY9B–hart's tongue, European harts-tongue fern (Asplenium scolopendrium, Phyllitis scolopendrium), leaves with sporangia
RMP6F84F–Sori or sporangia (spore cases) on the underside of a fern frond, Marattia alata, magnified x50. Chromolithograph after an illustration by E.T.D., lithographed by Vincent Brooks, from 'Graphic Microscopy' plates to illustrate 'Hardwicke's Science Gossip,' London, 1865-1885.
RF2B771TN–Labels: 1, Young Gregarine lying within a sperm mother cell of earthworm; 2. Association of two Gregarines within a cyst; and other, vintage line draw
RMPG25PY–. Beginners' botany. Botany. PHENOGAMS AND CRYPTOGAMS 177 it will be seen that the leaflets are contracted and are densely covered beneath with brown bodies. These bodies are collections of sporangia or spore-cases.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Bailey, L. H. (Liberty Hyde), 1858-1954. New York, The Macmillan company
RMMA72Y6–. Elementary botany . we can see Fig. 181. Archegonial receptacles of marchantia bearing ripe sporogonia The capsule of the sporogonium projects outside, while the stalk is attached to the receptacle underneath the curtain. In the left figure two of the capsules have burst and the elaters and spores are escaping. tween the rays of the female receptacle, supported on short stalks. These are the sporogonia, or spore-cases. We judge at once that they are quite different from those which we have studied in riccia, since those were not stalked. We can see that some of the spore-cases have opened, t
![Archive image from page 146 of The cytology and life-history of. The cytology and life-history of bacteria cytologylifehist00biss Year: 1955 LIFE-CYCLES IN BACTERIA 131 Fig. 58 LIFE-CYCLE OF AZOTOBACTER An extraordinary degree of complexity is found in the life-cycle of the nitrogen-fixing bacterium Azotobacter. Not only does this organism produce spore-like cysts (not illustrated here), but two distinctly different types of gonidia. The vegetativ'e cell [A] becomes packed with tiny replicas of itself (C), or with motile gonidia (G, H). In both cases, the cycle is initiated by the product Stock Photo](https://c8.alamy.com/comp/W239PA/archive-image-from-page-146-of-the-cytology-and-life-history-of-the-cytology-and-life-history-of-bacteria-cytologylifehist00biss-year-1955-life-cycles-in-bacteria-131-fig-58-life-cycle-of-azotobacter-an-extraordinary-degree-of-complexity-is-found-in-the-life-cycle-of-the-nitrogen-fixing-bacterium-azotobacter-not-only-does-this-organism-produce-spore-like-cysts-not-illustrated-here-but-two-distinctly-different-types-of-gonidia-the-vegetative-cell-a-becomes-packed-with-tiny-replicas-of-itself-c-or-with-motile-gonidia-g-h-in-both-cases-the-cycle-is-initiated-by-the-product-W239PA.jpg "Archive image from page 146 of The cytology and life-history of. The cytology and life-history of bacteria cytologylifehist00biss Year: 1955 LIFE-CYCLES IN BACTERIA 131 Fig. 58 LIFE-CYCLE OF AZOTOBACTER An extraordinary degree of complexity is found in the life-cycle of the nitrogen-fixing bacterium Azotobacter. Not only does this organism produce spore-like cysts (not illustrated here), but two distinctly different types of gonidia. The vegetativ'e cell [A] becomes packed with tiny replicas of itself (C), or with motile gonidia (G, H). In both cases, the cycle is initiated by the product Stock Photo")
RMW239PA–Archive image from page 146 of The cytology and life-history of. The cytology and life-history of bacteria cytologylifehist00biss Year: 1955 LIFE-CYCLES IN BACTERIA 131 Fig. 58 LIFE-CYCLE OF AZOTOBACTER An extraordinary degree of complexity is found in the life-cycle of the nitrogen-fixing bacterium Azotobacter. Not only does this organism produce spore-like cysts (not illustrated here), but two distinctly different types of gonidia. The vegetativ'e cell [A] becomes packed with tiny replicas of itself (C), or with motile gonidia (G, H). In both cases, the cycle is initiated by the product
RMK70K5G–Spores in the sporangia on the underside of the fronds of Dicksonia antarctica, a hardy evergreen tree fern
RM2AWW8ER–The microscope and its revelations . Spores of JEquisetum. If zontal rhizoma); and consists of a cluster of shield-like disks,each of which carries a circle of tkec(S or spore-cases, thatopen by longitudinal slits to set-free the spores. Each ofthese bodies has, attached to it, a pair of elastic filaments(Fig. 148), that are originally formed as spiral fibres on theinterior of the wall of the primary cell within which the sporeis generated, and are set-free by its rupture ; these are at firstcoiled-up closely around the spore, in the manner representedat A, though more closely applied to the s
RMEBRY97–hart's tongue, European harts-tongue fern (Asplenium scolopendrium, Phyllitis scolopendrium), leaves with sporangia
RMH023JB–great horsetail (Equisetum telmateia, Equisetum telmateja, Equisetum maximum), cone, Germany, Bavaria, Innaue
RMPG41MD–. Elements of botany. Botany; Botany. SOME TYPES OF PLOWEELBSS PLANTS. 231 285. Examination with the Mdgnifying Glass. — Study some of the larger and more mature patches and some of the smaller ones. Note : (a) The lender, thread-like network with which the surface of the bread is covered.- The threads are known as hyphoe, the entire network is called the mycelium. (6) The delicate threads which rise at intervals from the mycelium and are terminated by small globular objects. These little spheres are spore-cases. Compare some of the spore-cases with each other and notice what change of color m
RM2B0AB7D–Stiff clubmoss, Stiff ground-pine (Lycopodium annotinum), with sporangia, Germany, Wimbachtal
RMMCKD6T–. a. Spore-cases and spores of Algse ; 6. Ditto of Lichens ; c. Ditto of Fungi. The Brittlewort Family. (DiATOMACEiS.) This family consists of microscopical crystalline, brittle, jointed bodies united in straight or curved lines or branched, often separating into pieces and presenting very different forms, being the lowest organisms of the vegetable kingdom. The apparent animal motion seen in some of these plants has led to the idea that they belonged to the animal kingdom, but chemical analysis proves them to be vegetable. They appear either in the form of slime on moist earth, stone walls, o
RMRWPPM3–The elements of botany for The elements of botany for beginners and for schools elementsofbotany00gray Year: 1887 162 CRYPTOGAMOUS OR FLOWERLESS PLANTS. [SECTION 17. bear globular or pill-shaped fruit (Sporocarps) on the lower part of their leaf-stalks or on their sleuder creeping stems. The leaves of the commoner species of Marsilia might be taken for four-leaved Clover. (See Fig. 520.) The sporocarps are usually raised on a short stalk. Within they are divided lengthwise by a partition, aud then crosswise by several partitions. These partitions bear numerous delicate sacs or spore-cases of
RMK70K51–Spores in the sporangia on the underside of the fronds of adiantum venustum, the hardy maidenhair fern
RM2AN1KD5–Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . s). Low, tufted plants, always with a stemand distinct (sessile) leaves, producing spore-cases which mostlyopen by a terminal lid, and contain innumerable simple spores. Thefertilizing organs, or antheridia, have been elsewhere mentioned. InMosses these accompany the pistillidia; the latter develop into thecapsule, or more properly the sporangium or spore-case. This israrely (in Andraia) dehiscent into four valves, or i
![. The geological history of plants. Paleobotany; 1888. THE BRIAN OR DEVONIAN FORESTS. 49 flora, which I was then preparing, and which was pub- lished in 1871, tinder the name Sporangites Huronensis. In 1871, having occasion to write a communication to the "American Journal of Science" on the question then Fio.. raised as to the share of spores and spore-cases in the ac- cumulation of coal, a question to be discussed in a sub-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these Stock Photo](https://c8.alamy.com/comp/PG2DAX/the-geological-history-of-plants-paleobotany-1888-the-brian-or-devonian-forests-49-flora-which-i-was-then-preparing-and-which-was-pub-lished-in-1871-tinder-the-name-sporangites-huronensis-in-1871-having-occasion-to-write-a-communication-to-the-quotamerican-journal-of-sciencequot-on-the-question-then-fio-raised-as-to-the-share-of-spores-and-spore-cases-in-the-ac-cumulation-of-coal-a-question-to-be-discussed-in-a-sub-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-PG2DAX.jpg ". The geological history of plants. Paleobotany; 1888. THE BRIAN OR DEVONIAN FORESTS. 49 flora, which I was then preparing, and which was pub- lished in 1871, tinder the name Sporangites Huronensis. In 1871, having occasion to write a communication to the "American Journal of Science" on the question then Fio.. raised as to the share of spores and spore-cases in the ac- cumulation of coal, a question to be discussed in a sub-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these Stock Photo")
RMPG2DAX–. The geological history of plants. Paleobotany; 1888. THE BRIAN OR DEVONIAN FORESTS. 49 flora, which I was then preparing, and which was pub- lished in 1871, tinder the name Sporangites Huronensis. In 1871, having occasion to write a communication to the "American Journal of Science" on the question then Fio.. raised as to the share of spores and spore-cases in the ac- cumulation of coal, a question to be discussed in a sub-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these
RM2AYFW42–Stiff clubmoss, Stiff ground-pine (Lycopodium annotinum), with sporangia, Germany, Wimbachtal
RMMA76TF–. Elementary biology; an introduction to the science of life . I I Fig. 127. Spores of fern (7, back of a fern leaflet, showing arrangement of sori (singular, sorns), or clusters of spore cases ; b, section through a sorus, showing spore cases with inclosing layer of thin tissue ; c, single spore case, greatly enlarged ; d, same bursting open and dis- charging spores by the sudden straightening out of a row of thick-walled cells ; e, spores, greatly enlarged ; /, spore germinating into a new plant the leafy stem. Ferns produce spores in little capsules found in groups on the undersurface of th
RMCNRERT–sylvan horsetail, wood horsetail, woodland horsetail (Equisetum sylvaticum), sprouts with sporangis, Sweden
RMRWPPM1–The elements of botany for The elements of botany for beginners and for schools elementsbotany00gray Year: 1887 162 CRYPTOGAMOUS OR FLOWERLESS PLANTS. [SECTION 17. bear globular or pill-sliapcd fruit (Sporoca.kps) on the lower part of their leaf-stalks or on their slender creeping steins. The leaves of the commoner species of Marsilia might be taken for four-leaved Clover. (See Fig. 520.) The sporocarps arc usually raised on a short stalk. Within they aru divided lengthwise by a partition, and then crosswise by several partitions. These partitions bear numerous delicate sacs or spore-cases of
RM2AG8T3Y–. Foundations of botany. the bread is covered. The threads are known as hyphce, the entirenetwork is called the mycelium. (h) The delicate threads which rise at intervals from the myce-lium and are terminated by small globular objects. These littlespheres are spore-cases. Compare some of the spore-cases witheach other and notice what change of color marks their coming tomaturity. 308. Examination with the Microscope. — Sketch a portion of theuntouched surface of the mould as seen (opaque) with a two-inch,objective, then compare with Fig. 189.. 258 FOUNDATIONS OF BOTANY Wet a bit of the mould,
RMPG451X–. The mushroom book. A popular guide to the identification and study of our commoner Fungi, with special emphasis on the edible varieties. Mushrooms; Cookery (Mushrooms); cbk. The Relation of Fungi to Other Plants Threads. Bread mould (mag- nified) lost their power of constructing such food, and also their green granules by which this worit of construction may be carried on. The life history and structure of fungi has been studied so minutely that one is spore cases, able to arrange them in three well- marked classes: The first class, the algal-like fungi (Phycomycetes), includes bread moulds
RMMCKC2P–. Fig. 146.—I, Cercospora melonis, a leaf of cucumber showing early stage ot disease ; 2, sporophores emerging from a stoma, and bearing spores, mag. ; 3, spore, highly mag. it suddenly appeared in the houses of a grower located at some distance from the nearest known infected area. The explanation was as follows. This grower had sent a consign- ment of cucumbers to Covent Garden, and by some mistake his own empty packing-cases or ' flats' were not returned, but instead, those belonging to another grower whose plants were diseased. Spores of the fungus had been conveyed from one district to an
RMCNRERX–sylvan horsetail, wood horsetail, woodland horsetail (Equisetum sylvaticum), sprouts with sporangis, Sweden
RMRWPR68–The elements of botany for The elements of botany for beginners and for schools elementsbotany00gray Year: 1887 SECTION 17. J BRYOrHYTES. 105 and very liygromrtrio threads (called Elafers) which are thought to aid in the dispersion of the spores. (Fig. 542-544.) 502. Marchautia, tlie commonest and largest of the true Liverworts, forms large greeu plates or fronds on damp and shady ground, and sends up from some part of the upper face a stout stalk, ending in a several-lobed umbrella-shaped body, under the lobes of which hang several thin-walled spore-cases, which burst open and discharge spor
RM2AFM7HR–. The Bible and science. FiG. 24.—Part of fern-leaf, bearing clusters of spore-cases. tiated into cells of the root, of the stem, and of theleaves. In mosses they are differentiated in this manner—roots, stem, and leaves being all different, but stillthey are composed only of cells. In ferns we have some of the cells uniting so asto form vessels, but still we have no such differentia-tion of the reproductive apparatus as in the exogensand endogens. In lycopods or club mosses, those trailing plantswhich we see so commonly on Highland moors, there G 82 PEOTHALLIUM IN LYCOPODS. is tlie same alter
RMPFN6ER–. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. superimposed upon each other, which com- bine to form a circular wall round a central cavity, which contains the germ, and is the termination of the quadrilateral canal. On the transformation of the germ-cell into the embryo, observations are as yet wanting. 89. Spores and sporangia.—The organs upon which the spore-cases are supported are ar- ranged in whorls round the upper part of the fruit-bearing stem. They seem to be modifications of the ordinary stem-leaves, on which account they have received the name of sporophyl
RMT0CXJP–Elementary biology; an introduction to Elementary biology; an introduction to the science of life elementarybiolog00grue Year: 1924 324 ELEMENTARY BIOLOGY In some plants related to the ferns the two kinds of gametes are borne on two different individuals; that is, each individual gameto- phyte is either male or female. In such species each spore therefore gives rise either to a male plant or to a female plant, as is the case with the moss. It is impossible in such cases to find any difference between the spores that give rise to male plants and the spores that develop into female plants. 375.
RM2AJ0XGP–Outlines of zoology . entually, inthe alimentary canal of another earthworm the cyst bursts,the spore-cases are extruded, the spores emerge from theirfirm chitinoid cases. The young spore (sporozoite) is likea bent spindle (falciform), and seems next door to beingflagellate. It bores into a mother sperm cell, and from thisit afterwards passes as an adult into the cavity of theseminal vesicles. Intracellular parasitism and copious foodnaturally act as checks to activity, and the adult is sluggish.The allies of Monocystis occur chiefly in Worms,Tunicates, and Arthropods; none are known in Verteb
RMPG0BT8–. Our ferns in their haunts; a guide to all the native species. Ferns. 44 RATTLESNAKE FERN AND ADDER'S-TONGUE. the supposition that they rest in alternate years. Something of this kind is hinted to exist among the adder's-tongues, and as the Botrycliiums are closely allied, they may have the same habit. The name of rattlesnake fern is probably due to the likeness which may be fancied to exist between the spikes of fruit and the rattles of the serpent. It is sometimes called the grape fern, also in allusion to its clus- ters of spore-cases, but this title more properly belongs to a related spec
RM2AM8859–Ferns: British and exotic.. . nd the nerves beneath pubescent, with diminutive forked hairs; barren fronds more spreading, shorter, and the pinnae placed closer together. Fronds terminal and adherent; both barren and fertile fronds bearing proliferous buds fromVOL. n. D 20 POLYPODTUM GRACILIS. the rachis. The fertile fronds twice the length of the barrenones. Sori uniserial to biserial, the spore cases being surrounded?with forked hairs. Length of frond from twelve to eighteen inches; colour deepgreen. Upper surface polished. A stove Fern. Native of Jamaica. Introduced a few years ago into the
RMPG451R–. The mushroom book. A popular guide to the identification and study of our commoner Fungi, with special emphasis on the edible varieties. Mushrooms; Cookery (Mushrooms); cbk. Bread mould (mag- nified) lost their power of constructing such food, and also their green granules by which this worit of construction may be carried on. The life history and structure of fungi has been studied so minutely that one is spore cases, able to arrange them in three well- marked classes: The first class, the algal-like fungi (Phycomycetes), includes bread moulds and several of those fungi which cause diseases
RM2AX1YCR–The elements of botany for beginners and for schools . nd the topinto two valves, and discharging a great quantity of a very fine yellowpowder, the spores. 493. The Selaginellas have been separated from Lycopodium, whichthey much resemble, because they produce two kinds of spores, in sepa-rate spore-cases. One kind (Microspokes) is just that of Lycopodium;the other consists of onlyfour large spores (Macro-spores), in a spore-casewhicii usually breaks inpieces at maturity (Fig.513-515). 494. The Quillworts,Isoetes (Fig. 516-519),are very unlike Club Mos-ses in aspect, but have beenassociated wi
RMPG4123–. The essentials of botany. Botany. PTEBIDOPHTTA. 209 are all of one kind, and are borne in roundish spore-cases, â which are generally single on each leaf. The Club-mosses are commoa in the Appalachian region, Canada, and northwestward, and all but one of our species belong to the genus Lycopodium. Of these may be mentioned the Common Club- mosses (L. clavatum and L. complanatum) and the Ground-pine (L. dendroideum), all extensively used in Christmas decorations. 438. The Little Club-Mosses {Order Selaginellaceoe) re- semble the foregoing, but are generally smaller and more Moss-like, and hav
RM2AM65EC–Ferns: British and exotic.. . inifolium, figured in Vol. I, Plate XLI.—A. For a plant and fronds of this species my thanks are dueto Mr. Joseph Henderson, of Wentworth. It may be procured of Mr. R. Sim, of Foots Cray. The illustration is from a piece of rhizoma and frondsforwarded by Mr. Joseph Henderson. STRUTHIOPTERIS. 135 GENUS V. STRUTHIOPTERIS. Having fronds of two kinds, the barren ones large and boldand the fertile much smaller, with contracted resolute margins,forming as it were a universal indusium. Veins pinnate and free. Spore cases lateral; the base of the pedicels concrete, andpro
RMPG412K–. The essentials of botany. Botany. 204 BOTANY. ferns mainly in the mode o£ development of the large ring- less spore-cases, and in the leaves being straight or folded (not rolled) before expansion. The first stage is much. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Bessey, Charles E. (Charles Edwin), 1845-1915. New York : H. Holt and company, ;
RM2AJC9BH–Elementary botany . ruiting spike possesses similar leaves, butthey are shorter, and their arrangement gives to the spike a four-sided appearance. 111 nt ww LITTLE CLUB MOSSES. 2S7 585. Sporangia.—On examining the fruiting spike, we findas in lycopodium that there is but a single sporangium in theaxil of a fertile leaf. But we see that they are of two differentkinds, small ones in the axils of the upper leaves, and large onesin the axils of a few of the lower leaves of the spike. The micro-spores are borne in the smaller spore-cases and the macrosporesin the larger ones. Figures 329-331 give t
RMPG4EP2–. Minnesota plant diseases. Plant diseases. Fig. 16S.—Potato blight. Early stages of the blight on the leaves. After Clinton. usually much branched, so that a miniature bush-like structure is produced and each branch terminates in a spore. These spores, as is true for most of the downy mildews, are in reality spore cases, for when placed in water they later give rise to a large number of swimming spores. When the latter come to rest they germinate into a tube which causes infection of the host plant. As far as is known at present, no winter spores are produced. The mycelium, however, is capabl
RM2AJJ4PJ–The Americana; a universal reference library, comprising the arts and sciences, literature, history, biography, geography, commerce, etc., of the world . uped under three general kinds, as follows: Spot Iuii;^i {Spli(Ciofsidc(c), which producewhitish or discolored spots, and later developclosed, spheroidal cases, containing free spores.Scptoria and Ihyllosticta arc common genera. Black-dot Funj!,i (Mclanconietc) are like thespot fungi, but there are no spore cases, thespores developing in masses beneath the epider-mis which they eventually rupture. Gloeospor-iuin is a common genus. Moulds (Hyp
RMEBNXGW–Channelled wrack, Cow Tang, Channel Wrack (Pelvetia canaliculata), with fruiting bodies, Germany
RMPG413H–. The essentials of botany. Botany. 200 BOTANY. 419. The leaves are in nearly all cases supplied with fibro-vascular bundles, which run as veins through the soft tissue; there is usually a prominent midrib, upon each side of which are small veins, which w&free (i.e., running more or less parallel from the midrib to the margin) or reticu- lated. Some or all of the leaves at maturity bear spore- cases containing spores. 420. The ferns are all richly supplied with chlorophyll, and none are in any degree parasitic. Nearly all the species. Please note that these images are extracted from scanne
RM2AKN477–The American botanist and florist; including lessons in the structure, life, and growth of plants; together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American union . stems, or with whorled branches. Stems striate-sulcate, jointed, fistular between, and separable at, the joints. Sheathsdentate, crowning each internode. Fructification a dense, oblong-cylin-dric, terminal, and cone-like spike, composed of 6-sided, peltate scales,arranged spirally, bearing beneath 4—7 spore-cases, Mhich open laterally.Spores globular, e
RMEBNXG8–Channelled wrack, Cow Tang, Channel Wrack (Pelvetia canaliculata), with fruiting bodies, Germany
RMPFYRA4–. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Flowerless-Plant Study 697 interrupted fern has, at about the middle of its frond, three pinnae on each side, fitted for spore-bearing, the pinnules being changed into globular cups filled with spore-cases. While not absolutely necessary, it is highly de- sirable that each member of the class should look at a fruit-dot of some fern through a three- quarters objective of a compound microscope, and then examine the spore-cases and the spores through a one-sixth objective. It must be rem
RM2AX1XWJ–The elements of botany for beginners and for schools . spore-cases of two kinds,intermixed. The larger ones contain each a large spore, or macrospore;the smaller contain numerous microspores, immersed in mucilage. Atmaturity the fruit bursts or splits open at top, and the two kinds of sporesare discharged. The large ones in germination produce a small prothallus;upon which the contents of the microspores act in the same way as inPerns, and with a similar result. 496. AzoUa is a little floating plant, looking like a small Liverwort orMoss. Its branches are covered with minute and scale-shaped l
RMEBNXGP–Channelled wrack, Cow Tang, Channel Wrack (Pelvetia canaliculata), with fruiting bodies, Germany
RMPFYRB7–. Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets. Nature study. Ul.. I. Fruiting pinnule of the boulder fern, enlarged. 2. Fruiting pinnules of spleenwort, enlarged. the spores distinctly. The spore-cases may also be seen with a hand lens, the spores seeming then to be mere dust. The different ways the ferns blanket their spore-cases is a delightful study, and one which the pupils enjoy very much. All of our common ferns except the careless little polypody thus protect their spores. Whether this blanket be circular, or horse- shoe-shaped, or oblon
RM2AJCA7F–Elementary botany . ors. The older parts of the stem are prostrate,while the branches are more or less ascending.It branches in a forked manner. The leaves arelarger than in the former species, and they areall of the same size, there being no appreciabledifference between the sterile andfertile ones. The characteristicclub is not present here, but thespore-cases occupy certain regions ofthe stem, as shown at 327. In asingle season one region of the stemmay bear spore-cases, and then asterile portion of the same stem is T j 1 -j 1 i* iu-1 • 1 f developed, which later bears another Lycopodium lu
RMEBNXG3–Channelled wrack, Cow Tang, Channel Wrack (Pelvetia canaliculata), with fruiting bodies, Germany
![. Fungoid and insect pests of the farm. Agricultural pests. 52 Mildevjs [CH. as ascospores and the pear-shaped body containing them is known as an ascus. The wall of the spore case is composed of a number of polygonal cells, whose walls cause the polygonal markings on the outside. The spore cases are formed at the points where the hyphae touch one another, and each is the result of fertilization.. Fig. 18. Mycelium and spore cases of Erysiphe graminis. (Magnified.) Attached to them are a number of " appendages." In the case of Erysiphe graminis these are simple, un- branched, short h Stock Photo](https://c8.alamy.com/comp/PG0REW/fungoid-and-insect-pests-of-the-farm-agricultural-pests-52-mildevjs-ch-as-ascospores-and-the-pear-shaped-body-containing-them-is-known-as-an-ascus-the-wall-of-the-spore-case-is-composed-of-a-number-of-polygonal-cells-whose-walls-cause-the-polygonal-markings-on-the-outside-the-spore-cases-are-formed-at-the-points-where-the-hyphae-touch-one-another-and-each-is-the-result-of-fertilization-fig-18-mycelium-and-spore-cases-of-erysiphe-graminis-magnified-attached-to-them-are-a-number-of-quot-appendagesquot-in-the-case-of-erysiphe-graminis-these-are-simple-un-branched-short-h-PG0REW.jpg ". Fungoid and insect pests of the farm. Agricultural pests. 52 Mildevjs [CH. as ascospores and the pear-shaped body containing them is known as an ascus. The wall of the spore case is composed of a number of polygonal cells, whose walls cause the polygonal markings on the outside. The spore cases are formed at the points where the hyphae touch one another, and each is the result of fertilization.. Fig. 18. Mycelium and spore cases of Erysiphe graminis. (Magnified.) Attached to them are a number of " appendages." In the case of Erysiphe graminis these are simple, un- branched, short h Stock Photo")
RMPG0REW–. Fungoid and insect pests of the farm. Agricultural pests. 52 Mildevjs [CH. as ascospores and the pear-shaped body containing them is known as an ascus. The wall of the spore case is composed of a number of polygonal cells, whose walls cause the polygonal markings on the outside. The spore cases are formed at the points where the hyphae touch one another, and each is the result of fertilization.. Fig. 18. Mycelium and spore cases of Erysiphe graminis. (Magnified.) Attached to them are a number of " appendages." In the case of Erysiphe graminis these are simple, un- branched, short h
RM2AJGPCJ–Comprehensive catalogue of Queensland plants, both indigenous and naturalised To which are added, where known, the aboriginal and other vernacular names; with numerous illustrations, and copious notes on the properties, features, &c., of the plants . CLVI. MARSILEACE^:. 63 V. 605. Marsilea Drummondii, A. Braun. (A) Involucre, (B) section. (A) and (B) enl. 638 CLVII. FILICES. Tribe II.-—Marattie,e. Spore-cases without any perfect ring, opening in 2 valves orin a longitudinal slit, sessile or united, in 2 rows, in sori formingmarginal lobes to the segments or placed on their under surface.Lygodi
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