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Marsilea Stock Photos and Images
RF2JT78WW–Clover infestation in garden grass. Clover (Trifolium sp.), of the legume family, has three species that are widely used as forage. Ornamental plant.
RMKXPAM2–Botanique. 1. Nayas muricata; 2. Parietaria alsinefolia; 3. Nayas graminea; 4.4'. Marsilea ægyptiaca (NYPL b14212718-1268682)
RF2H59TFR–A hand picking up a green 4 leaf clover from a garden, saving it as a good luck charm. The four leaves represent hope, faith, love and luck.
RM2H435PE–Water clover (Marsilea macropus): leafy stem with details of the sporocarp and embryonic plant. Coloured lithograph by W. Fitch, c. 1863, after himself, after Nanstein.
RM2AWTN34–Text-book of botany, morphological and physiological . capsule increases, thecentral cell first divides into two, and then, by successive bipartitions, into eightspore-mother-cells, which become isolated in the cavity of the sporangium which isfilled with granular fluid, and assume a round form. The inner parietal layerremains in the condition of a delicate epithelium till the time of the formation ofthe spores, but disappears when they are ripe; so that here also the wall of thesporangium finally consists of only one layer. In Marsilea and Pilularia, where theenvelope of the sporocarp is very
RFH1NBA4–pillwort, Pilularia globulifera (top left), Marsilea quadrifolia (top right), hart's-tongue, Asplenium scolopendrium L. und scolopendrium vulgare (bottem left), floating fern, Salvinia natans (bottem center), adder's-tongue, Ophioglossum vulgatum (bottem right)
RF2JT78X0–Clover infestation in garden grass. Clover (Trifolium sp.), of the legume family, has three species that are widely used as forage. Ornamental plant.
RMMYP938–. Français : Dessins de deux plantes : Pilularia minuta et Marsilea pubescens English: Drawings of two plants : Pilularia minuta and Marsilea pubescens . 9 March 2014, 13:09:03. Durieu de Maisonneuve 423 Pilularia minuta, Marsilea pubescens
RMPPNJR9–Botanique. 1. Nayas muricata; 2. Parietaria alsinefolia; 3. Nayas graminea; 4.4'. Marsilea ægyptiaca
RM2AWTHX0–Text-book of botany, morphological and physiological . complicated differences indensity. The microspores so far resemblethe macrospores that their exospore has alsoa firm inner layer which is cuticularised andshows an internal structure depending on dif-ference of density. This layer is surroundedin Marsilea by a thick, in Pilularia by athin hyaline envelope capable of swellmg inwater. The Class Rhizocarpeae contains, besidesthe genera that have already been mentioned,only one other, Azolla, which, although notyet accurately known is nearly allied to Sal-vinia. The four genera form, therefo
RFH17MYH–Gewoehnlicher Pillenfarn, Kugel-Pillenfarn, Pilularia globulifera (oben links), Kleefarn auch Vierblättriger Kleefarn, Marsilea quadrifolia (oben rechts), Hirschzungenfarn auch Hirschzunge, Asplenium scolopendrium L. und scolopendrium vulgare (unten links), Gemeine Schwimmfarn auch Gewoehnlicher Schwimmfarn, Salvinia natans (unten mitte), Gewoehnliche Natternzunge, Ophioglossum vulgatum (unten rechts)
RMMWNBKR–. Français : Dessins de deux plantes : Pilularia minuta et Marsilea pubescens English: Drawings of two plants : Pilularia minuta and Marsilea pubescens . 9 March 2014, 13:09:03. Durieu de Maisonneuve 485 Pilularia minuta, Marsilea pubescens
RMPG1TGR–. The power of movement in plants . Plants; Botany. 258 CIRCUMNUTATION OP CBYPTOGAMS. Chap. 17 Fig. 320. In the chapter on the Sleep of Plants the conspicuous oiroum- nutation of Marsilea quadrijoliata (Marsileacese, Fam. 4) will ba described. It has also been shown in Chap. I. that a very young SeZa- ginella (LycopodiacesB, Fam. 6), only '4 inch in height, plainly circumnutated; we may therefore conclude that older plantS; whilst growing, would do the same. (35.) Lunularia vulgaris (Hepaticje, Fam. 11, Muscales).— The earth in an old flower-pot was coated with this plant, bearing gemrasB. A h
RM2EDA28X–Botanique. 1. Nayas muricata; 2. Parietaria alsinefolia; 3. Nayas graminea; 4.4'. Marsilea ægyptiaca
RM2AWTRX5–Text-book of botany, morphological and physiological . the archegonium (afterPringsheim). 388 VASCULAR CRYPTOGAMS. ts protoplasmic body is converted into the oosphere. After fertilisation the layer3f tissue of the prothallium surrounding the central cell becomes double ; a fewgranules of chlorophyll arise in it, and the outer cells grow in Marsilea salvatrix[Fig. 291) into long root-hai-rs, which are especially luxuriant when no fertilisation;akes place. In the case of Marsilea salvatrix the antherozoids collect in largeaumbers at the time of impregnation in the funnel above the prothallium, a
RMMW0E39–. Français : Dessins de deux plantes : Pilularia minuta et Marsilea pubescens English: Drawings of two plants : Pilularia minuta and Marsilea pubescens . 9 March 2014, 13:09:03. Durieu de Maisonneuve 484 Pilularia minuta, Marsilea pubescens
RMPG3FE8–. A textbook of botany for colleges and universities ... Botany. REPRODUCTION AND DISPERSAL 815 (i.e. Marsilea, Salvinia, and Azolla) and in SelagineUa and Isoetes there are two kinds of spores, namely, small spores or microspores, and large spores or megaspores; such a condition is known as keierospory (fig. 303). Upon germination the microspores give rise to male plants and the 1129. ^(128 Figs. 1128, 1129. — Reproduction by asexual spores in a fern (Aspidium): 1128, a leaf segment (pinnule) with fruit dots (sori), each with a shield-shaped cover (indusium); 1129, a cross section through a s
RM2AG3MC9–. Smithsonian miscellaneous collections. large part been described by Heer and there is a great and un-warranted multiplication of species. That from the Atane beds has184 recorded species. It includes 31 ferns, i equisetum, i selaginella,I marsilea, 12 cycads, 2 ginkgos, 25 conifers, 4 monocotyledons, 94dicotyledons and 14 of uncertain affinities. The seemingly most incompatible plant is the authentically deter-mined Artocarpus and this raises a question which cannot be decidedwithout prejudice. If a genus which is tropical at the present timeis found fossil associated with a prepondcratingly
RMMCKD5X–. a. Spore-case and spores of Mosses ; 6. Ditto of Equisetum, Lycopodium, aud Marsilea ; c. Ditto of Ferns. in the temperate zones, although some are found in both tropical and polar regions. In the northern parts of Europe the genus Sphagnum covers large bogs, and in course of time becomes converted into Peat, which is , used for fuel. Above 300 species are natives of this country. Of these many are common to all localities, growing on lawns, trees, old walls, and in shady woods. Some few have leaves of a metallic hue, as the silvery Bryum {B. argenteum). A few are very local, the beautiful S
RMPG1TCX–. The power of movement in plants . Plants; Botany. A. U. Marsilea quadrifolia/a: A, leaf during the day, seen from yertically above ; B, leaf beginning to go to sleep, seen laterally; C, the same asleep. Figures reduced to one-half of natural scale. vertically dependent glass filament was now fixed to one of the terminal and inner leaflets; and part of the tracing in Fig. 167, after 6 p.m., shows that it continued to sink, making one zigzag, until 10.40 P.M. At 6.45 a.m. on the following morning, the leaf was awaking, and the filament pointed above the vertical glass. 6°p.m.. J0'4i'aju. Marsi
RM2AJ8FR0–The natural history of plants, their forms, growth, reproduction, and distribution; . are borneon very long stalks. The disc-shaped leaf-blades lie with their under side onthe surface of the water, while their upper surface is exposed to the air. Theleaf-stalks thus traverse- the whole depth of the water, and look like ropes bywhich the floating leaf-discs are anchored in the muddy bottom. The long scapes,terminating in floating flowers, serve a similar purpose. Here also must beincluded the aquatic fern-like plant—Marsilea. Its leaves remind one of those ofthe Wood Sorrel. The Frog-bit (Hydro
RMPG1TD2–. The power of movement in plants . Plants; Botany. CiulS Vll. SLEEP OF LEAVES. 393 diiriiig 24 h. (Fig. 167). The leaf fell from the early morning till 1.50 P.M., and then rose till 6 p.m., when it was asleep. A Fig. 166.. A. U. Marsilea quadrifolia/a: A, leaf during the day, seen from yertically above ; B, leaf beginning to go to sleep, seen laterally; C, the same asleep. Figures reduced to one-half of natural scale. vertically dependent glass filament was now fixed to one of the terminal and inner leaflets; and part of the tracing in Fig. 167, after 6 p.m., shows that it continued to sink,
RM2AWW2DP–Text-book of botany, morphological and physiological . ^ .? s / r c. Fig. 278.—Diagram of the succession of cell-divisions in the apex of the root of F.qtiisetnm hyevtale (after Nageli and Leitgeb)(this diajfrani will serve also in the main for Ferns and for Marsilea). A longitudinal section; B transverse section at the lowerend of ^; hhh the primary walls, sss the walls of the sextant-segments, indicated in ^ by the figs./—-l/-/, kl7nnpW& layersof the root-cap, all the further divisions being omitted cc x the interior of the root indicates the cambium-walls by which theprimary fibro-vasc
RM2AWTJKK–Text-book of botany, morphological and physiological . Fig. 296.—Development of the sporangium oi Pilulariaglobulifera, all the figures in optical longitudinal section ;c central cell or primary mother-cell of the spores, ; s»imother-cells of the spores (xsso). ^ On the corresponding processes in Marsilea, see Russow, I. c—Russow takes the opportunityof objecting that in the formation of the spores of the higher Cryptogams I do not assume theexistence of special mother-cells. I can only reply that I never anywhere assume their existence,principally because the idea of a special mother-cell is
RM2AWTPBP–Text-book of botany, morphological and physiological . er side of the leaf-stalk, or they appear quite at its base and by the side of the RHIZOCARPE.E. 393 leaf-stalk. These fruit-stalks may be simple, bearing only one sporocarp, or forkedand bearing several; those situated on the leaf-stalks are mostly divided, while thebasal ones bear only one sporocarp. This peculiarity finds its analogue in theOphioglossaceae; the fruit-stalks of Marsilea may be compared with the fertilesegments of the leaves in that class. The sporocarps of Salvinia and Marsilea aretherefore always of foliar origin; in Pi
RM2AXECBG–Text-book of structural and physiological botany . ^Q.H,6f1.—Salvinianatans; I. apiece of the plant FiG. 448.—Marsilea qtiadri-with two aerial leaves, and one deeply divided folia, with two sporogonia root-like submerged leaf with sporogonia (natural (natural size). size) ; W. a section through two sporogonia ; asporogonium with macrosporangia, b with microsporangia (greatly magnified). germinate and produce spore-sacs, the apices of which de-velope into antheridia. At the apex of the macrospore is apapilla of protoplasm from which is developed the primarycell of the prothallium or pro-embryo
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
RM2AX0MM9–Text-book of botany, morphological and physiological . Fig. no.—Longitudinal section of the youngprimary root of the embryo of Marsilea salvatrtx;TVS the apical cell, uh, Tvh, Tih the still simpleroot-cap ; x,y the last segments of the substanceof the root; z t intercellular spaces. Fig. III.—Longitudinal section of a somewhat older prhnarj- root of MarsUea salvatrix; ws apical cell; whl + Tvhl the first,whZ-ir-whi the second, wh^ the third layer of the root-cap ; each layer now consists of two divisions ; xy the youngest segmentsof the substance of the root; o epidermis; £^J fibro-vascular bu
RM2AJGPRE–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 . w and Old World.var. falacinum, Domin in Fedcle. Repert. ix. (1911) p. 551.. complanatum, Sw,-—A tropical species. (Fig. 604.) Order CLVI.—MARSILEACE^ (Pepperworts). Marsilea, Linn. Brownii, A. Br.angustifolia, R. Br.hirsuta, R. Br. Drummondii, A. Braun = M. Macro pus, Hook.—Nardoo.(Fig. 605.)var. Muelleri, A.Br,var. elata, A. Br. Order CLVII.—FIL
![Text-book of botany, morphological and physiological . Pig. 293 (T.—Lonj;ituciinaI section of the youngprimary root of the embryo of Afarsilca sal-vatrix; ivs the apical cc],7v/t,7vh, tvh thestill simple root-cap; jr.jthe last segments of thesubstance of the root; i i intercellular spaces. Fig. 293 /.—Longitudinal section of a somewhat older primary root of Marsilea salvatrix; ws apical cell; ivhl + w/z2 the first,?whSJ^wM the second, ?wlia the third layer of the root-cap ; each layer now consists of two divisions; xy the youngest segmentsof the substance of the root; 0 epidermis ; ^--yfibro- Stock Photo](https://c8.alamy.com/comp/2AWTP1M/text-book-of-botany-morphological-and-physiological-pig-293-tlonjituciinai-section-of-the-youngprimary-root-of-the-embryo-of-afarsilca-sal-vatrix-ivs-the-apical-cc-7vt7vh-tvh-thestill-simple-root-cap-jrjthe-last-segments-of-thesubstance-of-the-root-i-i-intercellular-spaces-fig-293-longitudinal-section-of-a-somewhat-older-primary-root-of-marsilea-salvatrix-ws-apical-cell-ivhl-wz2-the-firstwhsjwm-the-second-wlia-the-third-layer-of-the-root-cap-each-layer-now-consists-of-two-divisions-xy-the-youngest-segmentsof-the-substance-of-the-root-0-epidermis-yfibro-2AWTP1M.jpg "Text-book of botany, morphological and physiological . Pig. 293 (T.—Lonj;ituciinaI section of the youngprimary root of the embryo of Afarsilca sal-vatrix; ivs the apical cc],7v/t,7vh, tvh thestill simple root-cap; jr.jthe last segments of thesubstance of the root; i i intercellular spaces. Fig. 293 /.—Longitudinal section of a somewhat older primary root of Marsilea salvatrix; ws apical cell; ivhl + w/z2 the first,?whSJ^wM the second, ?wlia the third layer of the root-cap ; each layer now consists of two divisions; xy the youngest segmentsof the substance of the root; 0 epidermis ; ^--yfibro- Stock Photo")
RM2AWTP1M–Text-book of botany, morphological and physiological . Pig. 293 (T.—Lonj;ituciinaI section of the youngprimary root of the embryo of Afarsilca sal-vatrix; ivs the apical cc],7v/t,7vh, tvh thestill simple root-cap; jr.jthe last segments of thesubstance of the root; i i intercellular spaces. Fig. 293 /.—Longitudinal section of a somewhat older primary root of Marsilea salvatrix; ws apical cell; ivhl + w/z2 the first,?whSJ^wM the second, ?wlia the third layer of the root-cap ; each layer now consists of two divisions; xy the youngest segmentsof the substance of the root; 0 epidermis ; ^--yfibro-
RM2AXEBHD–Text-book of structural and physiological botany . lY. /^^ IIL. Fig. 449.—Marsilea salvatrix ; I. a macrcspore before fertilisation with its mucila-ginous envelope.; the pro-embr^^o is developed from the roundish papilla p at theapex of the spherical spore (x 15); (5 microspores (x 15), c single microspore(x 100) ; n. antherozoid with its attached vesicle (x 690); III. pro-embryo withoospore seen in transverse section ; the spherical oospore o has already a cell-wall(x 200); IV. young plant seven days later still attached to the spore/(x 7)(all after JIanstein). which immediately surround the
RM2CEXHDA–. The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system. being weakened by such cases asthose of Parkeria. In Ophioglossura another kindof provision is made for the production of spores,which in that genus seem to have no spore-casebeyond the involute contracted segments of theleaf which bears them. What are called thethecse in Ophioglossum seem more analogous tothe involucre of Marsilea. It has been thought that sexes occur inthese plants, and different parts have beenpointed out as the anthers; more especiallylittle threads which c
RM2CD87M0–. The uncivilized races of men in all countries of the world : being a comprehensive account of their manners and customs, and of their physical, social, mental, moral and religious characteristics . s. The nardoo is the produce of a cryp-togamous plant which grows in large quan-ties, but is rather locab The fruit, is aboutas large as a pea, and is cleaned for use bybeing rubbed in small wooden troughs. Itis then pounded into a paste, and made intocakes, like oatmeal. The nardoo plant is one of the ferns, andthose of mv readers who are skilled in bot-any will find it in the genus Marsilea.Like
RMRMW6DT–. Annales des Sciences Naturelles Botaniques. Amv.de<f Scient. //,//. ^SJrie '7 tri Bot. Tûmt zo /'/, /,) là. < / ffànfteùi </<• Marsilea. ^aJz?aUrùc fmp.jt.Salotait.r !',,-,//,?. £.<??,-,;/,,,,/,. y,; fc. 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.. Paris
RMRMY87C–. Annales des Sciences Naturelles Botaniques. . A . Germination du Marsilea Fabri , B . Germination du Tamiuis oonmiuiiis. 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.. Cramp, Stanley, 1913-1987; Perrins, Christopher M; Brooks, Duncan J; Royal Society for the Protection of Birds. Oxford : Oxford University Press
RMRDYF6P–. A textbook of botany for colleges and universities ... Botany. Figs. 412—414. — Male gametoph3^e of Marsilea: 412, first division of the microspore into vegetative cell (the smaller) and antheridium initial; 413, first division of an- theridium initial; 414, antheridium with wall of sterile cells investing spermatogenous cells (shaded). — After Campbell. the sporocarp is an indusium investing a sorus, while in Marsileaceae it is a leaf blade inclosing a group of sori with their indusia. Gametophytes. —The male gametophyte does not emerge from the microspore, as it does in Salviniaceae, remai
RMRDYF6W–. A textbook of botany for colleges and universities ... Botany. Figs. 412—414. — Male gametoph3^e of Marsilea: 412, first division of the microspore into vegetative cell (the smaller) and antheridium initial; 413, first division of an- theridium initial; 414, antheridium with wall of sterile cells investing spermatogenous cells (shaded). — After Campbell. the sporocarp is an indusium investing a sorus, while in Marsileaceae it is a leaf blade inclosing a group of sori with their indusia. Gametophytes. —The male gametophyte does not emerge from the microspore, as it does in Salviniaceae, remai
RMRDYF72–. A textbook of botany for colleges and universities ... Botany. 178 MORPHOLOGY rangia below. There is also a swelling tissue which in this case bursts out at the top of the sporocarp. The remarkable longevity and resisting power of the sporocarps of Marsilea deserve mention. Sporo- carps preserved on herbarium sheets for fifty years and others kept in 95 per cent alcohol have resumed activity when placed in water. In contrasting the structures called sporocarps in Salviniaceae and Marsileaceae, it is evident that they are very different. In Salviniaceae. Please note that these images are extr
RMRDYF6K–. A textbook of botany for colleges and universities ... Botany. PTERIDOPHYTES 179 ferns, and that Salviniaceae have the transverse wall of the older eusporangiate Marattiaceae. Conclusions. — It is evident that the water ferns are a very specialized aquatic group, probably derived from the leptosporangiate ferns. More- over, the features of the sporangium, in development and output, in- dicate an origin from one of the higher leptosporangiate families. The. Figs. 416, 417. — Female gametophyte of Marsilea: 416, the tissue protruding from the heavy megaspore wall developing a single large arch
![. The plant cell, its modifications and vital processes; a manual for students. Plant physiology; Plant anatomy; Plant cells and tissues. REPRODUCTIVE CELLS. 135 [This process of maturation resembles that occurring in the macrospore of the heterosporous Pteridophyta (Marsilea, Salvinia), qua vide where oogonia (= archegonia) arise upon a special female prothallium produced in that spore: see, however, " Homology," at end of chapter.]. I Fig. 103.—Three Archegonia at the Apex of the Emeryo-sac of Pinus.—ar, Archegonium ; in the left-hand one an ooaphere with its nucleus is present: Stock Photo](https://c8.alamy.com/comp/RDYC4D/the-plant-cell-its-modifications-and-vital-processes-a-manual-for-students-plant-physiology-plant-anatomy-plant-cells-and-tissues-reproductive-cells-135-this-process-of-maturation-resembles-that-occurring-in-the-macrospore-of-the-heterosporous-pteridophyta-marsilea-salvinia-qua-vide-where-oogonia-=-archegonia-arise-upon-a-special-female-prothallium-produced-in-that-spore-see-however-quot-homologyquot-at-end-of-chapter-i-fig-103three-archegonia-at-the-apex-of-the-emeryo-sac-of-pinusar-archegonium-in-the-left-hand-one-an-ooaphere-with-its-nucleus-is-present-RDYC4D.jpg ". The plant cell, its modifications and vital processes; a manual for students. Plant physiology; Plant anatomy; Plant cells and tissues. REPRODUCTIVE CELLS. 135 [This process of maturation resembles that occurring in the macrospore of the heterosporous Pteridophyta (Marsilea, Salvinia), qua vide where oogonia (= archegonia) arise upon a special female prothallium produced in that spore: see, however, " Homology," at end of chapter.]. I Fig. 103.—Three Archegonia at the Apex of the Emeryo-sac of Pinus.—ar, Archegonium ; in the left-hand one an ooaphere with its nucleus is present: Stock Photo")
RMRDYC4D–. The plant cell, its modifications and vital processes; a manual for students. Plant physiology; Plant anatomy; Plant cells and tissues. REPRODUCTIVE CELLS. 135 [This process of maturation resembles that occurring in the macrospore of the heterosporous Pteridophyta (Marsilea, Salvinia), qua vide where oogonia (= archegonia) arise upon a special female prothallium produced in that spore: see, however, " Homology," at end of chapter.]. I Fig. 103.—Three Archegonia at the Apex of the Emeryo-sac of Pinus.—ar, Archegonium ; in the left-hand one an ooaphere with its nucleus is present:
RMRE3NCJ–. A handbook of cryptogamic botany. Cryptogams. Fig. 5.—Pilulariaghhuli/era L.j with FiG. 6.—Marsilea quadrifoUa L., with fructifi- fructificatioD, natutal size. (After cation, natural size, and fructification en- Lueissen.) larged. (After Luerssen.) in mierosporanges, are male. The megaspore is not completely spherical, but has a distinct apical protuberance, which at the period of maturity is enveloped in a thick firm- layer termed the epispore, formed by the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colorati
RMRE1J2B–. A manual of botany. Botany. 366 MANUAL OF BOTANY frequently they form also independent circles in the cortex or the pith. The secondary bundles formed by the cambium have no connection with the leaves ; they are cauline bundles only. The branches of the stem arise, as we have seen, in the axils of the leaves by development there of lateral growing points Fia- 749.. Fig. 749. Aquatic stem of Marsilea. ep. Epidermis, co.la. Cortical lacuiiEE. scl. Sclerenchyma in the cortex, en^. Outer ; en^. inner fused endodermis of the steles. The steles are fused together laterally, forming a vascular ring
RMRE1K08–. A manual of botany. Botany. MORPHOLOGY OF REPRODUCTIVE ORGANS 221 Fig. 481. antheridium consisting of an incomplete wall and two internal cells, each of which gives rise to two antherozoids or male gametes; in the Phanerogams even this differentiation dis- appears. In Marsilea and Selaginella, the microspore gives rise to a small, somewhat oval multicellular body which pro- duces antherozoids in its internal cells. The fenaale gametophyte also shows a gradual degeneration. In Salvinia the megaspore bursts at its apex (fig. 481), and the prothallium is developed as a curiously shaped green bo
![. The life of inland waters; an elementary text book of fresh-water biology for American students. Freshwater biology. Peteridophytes 149 There are also a few hypnums found intermixed with sphagnum on the surface of bogs, and as everyone knows there are hosts of mosses in all moist places in woods and by watersides.. Fig. 61. Two floating leaves of the "water shamrock," Marsilea, in the midst of a surface layer of duck-meat (Spirodela polyrhiza). Pteridophytes—^Aquatic femworts are few and of very unusual types. There are at least two of them, how- ever, that are locally dominant in Stock Photo](https://c8.alamy.com/comp/RE0CH4/the-life-of-inland-waters-an-elementary-text-book-of-fresh-water-biology-for-american-students-freshwater-biology-peteridophytes-149-there-are-also-a-few-hypnums-found-intermixed-with-sphagnum-on-the-surface-of-bogs-and-as-everyone-knows-there-are-hosts-of-mosses-in-all-moist-places-in-woods-and-by-watersides-fig-61-two-floating-leaves-of-the-quotwater-shamrockquot-marsilea-in-the-midst-of-a-surface-layer-of-duck-meat-spirodela-polyrhiza-pteridophytesaquatic-femworts-are-few-and-of-very-unusual-types-there-are-at-least-two-of-them-how-ever-that-are-locally-dominant-in-RE0CH4.jpg ". The life of inland waters; an elementary text book of fresh-water biology for American students. Freshwater biology. Peteridophytes 149 There are also a few hypnums found intermixed with sphagnum on the surface of bogs, and as everyone knows there are hosts of mosses in all moist places in woods and by watersides.. Fig. 61. Two floating leaves of the "water shamrock," Marsilea, in the midst of a surface layer of duck-meat (Spirodela polyrhiza). Pteridophytes—^Aquatic femworts are few and of very unusual types. There are at least two of them, how- ever, that are locally dominant in Stock Photo")
RMRE0CH4–. The life of inland waters; an elementary text book of fresh-water biology for American students. Freshwater biology. Peteridophytes 149 There are also a few hypnums found intermixed with sphagnum on the surface of bogs, and as everyone knows there are hosts of mosses in all moist places in woods and by watersides.. Fig. 61. Two floating leaves of the "water shamrock," Marsilea, in the midst of a surface layer of duck-meat (Spirodela polyrhiza). Pteridophytes—^Aquatic femworts are few and of very unusual types. There are at least two of them, how- ever, that are locally dominant in
RMRPXRME–. Text-book of botany, morphological and physiological. Botany. 124 MORPHOLOGY OF TISSUES, closely packed prisms, as in the pericarp of Marsilea and Pi/u/aria, and the testa of the seeds of Papilionacese. Isolated cells of the same kind are sometimes found in the hypoderma, as accompaniments of the stomata and air-cavities, e.g. in leaves of Hakea. (/3) The Bundles heaths consist, in many Monocotyledons (as Palms, Grasses, Aroideae, &c.) 1) of elongated very thick-walled cells belonging to the fundamental tissue which is in close contact with each fibro-vascular bundle, either as a continu
RMRHYA1Y–. Beiträge zur wissenschaftlichen Botanik. Growth (Plants); Plant physiology; Plant morphology. I ^^/JJ Zf30j Jßoj. 1-3Psilohini. 4,5 Hippuns.6,7 Salisburia.8,9 Sela^ineJla lO.Marsilea. 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.. Nägeli, Carl, 1817-1891; Schwendener, S. (Simon), 1829-1919; Leitgeb, Hubert, 1835-1888. Leipzig : W. Engelmann
RMRE0T00–. An introduction to vegetable physiology. Plant physiology. THE AEEATION OF PLANTS 113 explanation of the relatively large development in this region may lie in the fact that the intercellular cavities there have very little communication with the outer air, as stomata do not exist upon roots. There is thus a necessity for a larger reservoir of air than in parts where gaseous interchange is more readily effected. Besides these comparatively narrow channels we find. —co.la. Fio. 76.—Section as Ehizome oe Marsilea. co.la., lacunjE in cortex. cases where reservoirs of large size are specially de
RMRH9APT–. Botanique cryptogamique, ou Histoire des familles naturelles des plantes infrieures. 224 CRYPTOGAMES, de cet élal proembryonnaire à l'étal parfait. Cette absenc proembryon dans les Marsilea nVsi donc qu'apparente comme dans les Lycopodes. 10 -. Pilularia globulirera (coupes longitudinale el transversale du sporocarpe). lors. Marsilea quadrifolia (coupe longitudinale et transversale du sporocarpe).. 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 re
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