Clusters of sporangia Stock Photos and Images

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Clusters of sporangia Stock Photos and Images

Fragment of autumnal fern leaf with clusters of sporangia, natural macro photo Stock Photo

RF2GEE25T–Fragment of autumnal fern leaf with clusters of sporangia, natural macro photo

Clusters of sporangia or sori on the underside of leaves of common polypody fern Polypodium vulgare in winter when largely empty of yellow spores Stock Photo

RM2B2MRFN–Clusters of sporangia or sori on the underside of leaves of common polypody fern Polypodium vulgare in winter when largely empty of yellow spores

Close-up of the backlit leafs of a Fern, dark clusters of sporangia contrasting with the light green of the leaves Stock Photo

RFRGAX48–Close-up of the backlit leafs of a Fern, dark clusters of sporangia contrasting with the light green of the leaves

A macro photo of the sori, clusters of sporangia, on the underside of a fern frond. These are used in fern reproduction. Stock Photo

RM2CF10E4–A macro photo of the sori, clusters of sporangia, on the underside of a fern frond. These are used in fern reproduction.

Clusters Of Sporangia On The Underside Of A Common Polypody Fern Polypodium vulgare Stock Photo

RM2JNP0JH–Clusters Of Sporangia On The Underside Of A Common Polypody Fern Polypodium vulgare

Clusters of sporangia on a fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beaty in nature. Stock Photo

RF2JK7TBM–Clusters of sporangia on a fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beaty in nature.

Underside of lady fern leaves with clusters of sporangia. Stock Photo

RFR9NR1P–Underside of lady fern leaves with clusters of sporangia.

Stemonitis axifera, known as the chocolate tube slime mold, myxomycete from Finland Stock Photo

RF2TCK5T1–Stemonitis axifera, known as the chocolate tube slime mold, myxomycete from Finland

Underside of a fern leaf, showing multiple sori Stock Photo

RFKYEGRR–Underside of a fern leaf, showing multiple sori

Metatrichia floriformis, a slime mold from Finland, no common Rnglish name Stock Photo

RF2PC89CN–Metatrichia floriformis, a slime mold from Finland, no common Rnglish name

Close up of fern leaf, showing sporangia clusters on the underside. Stock Photo

RMCN1623–Close up of fern leaf, showing sporangia clusters on the underside.

Metatrichia floriformis, known as Wasp nest slime mold, clustered black sporangia Stock Photo

RF2WF7RTM–Metatrichia floriformis, known as Wasp nest slime mold, clustered black sporangia

Chocolate tube slime mold (Stemonitis sp.) - Penrose, near Brevard, North Carolina, USA Stock Photo

RF2C4GAYB–Chocolate tube slime mold (Stemonitis sp.) - Penrose, near Brevard, North Carolina, USA

Badhamia panicea, a species of slime mold belonging to the family Physaraceae Stock Photo

RF2H9Y3DF–Badhamia panicea, a species of slime mold belonging to the family Physaraceae

Chocolate tube slime mold (Stemonitis sp.) - DuPont State Recreational Forest - Cedar Mountain, near Brevard, North Carolina, USA Stock Photo

RM2JT3XG1–Chocolate tube slime mold (Stemonitis sp.) - DuPont State Recreational Forest - Cedar Mountain, near Brevard, North Carolina, USA

A macro of the underside of a fern with sori and sporangium containing spores in the forest in Aotearoa New Zealand. Stock Photo

RM2PCW40P–A macro of the underside of a fern with sori and sporangium containing spores in the forest in Aotearoa New Zealand.

Slime mould (Comatricha nigra), in reproductive phase. Close-up of spore-bearing fruiting bodies (sporangia). Buckinghamshire, UK. Stock Photo

RM2J1WB6R–Slime mould (Comatricha nigra), in reproductive phase. Close-up of spore-bearing fruiting bodies (sporangia). Buckinghamshire, UK.

Underside of fern leaf showing fern spores on a textured concrete background Stock Photo

RF2E59XXR–Underside of fern leaf showing fern spores on a textured concrete background

Green fresh frond of fern with spore clusters called sori isolated on white background Stock Photo

RF2H6HN31–Green fresh frond of fern with spore clusters called sori isolated on white background

Underside of bright Fern Leaf backlit showing brown spores Stock Photo

RFHKPWJK–Underside of bright Fern Leaf backlit showing brown spores

Chocolate tube slime mould growing on a fallen log. Stemonitis axifera. Isparta, Turkey Stock Photo

RF2WTFAF5–Chocolate tube slime mould growing on a fallen log. Stemonitis axifera. Isparta, Turkey

A close up of sorus on the underside of a fern leaf Stock Photo

RF2H6YH47–A close up of sorus on the underside of a fern leaf

Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium Stock Photo

RMEY720P–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. How to know the ferns [microform] : a guide to the names, haunts, and habits of our common ferns. Ferns; Fougères. INTERRUPTED FERN a Clusters of sporangia i Showing veming 73. 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.. Dana, William Starr, Mrs. , 1861-1952. Toronto : Publishers' Syndicate Stock Photo

RMRJ22DF–. How to know the ferns [microform] : a guide to the names, haunts, and habits of our common ferns. Ferns; Fougères. INTERRUPTED FERN a Clusters of sporangia i Showing veming 73. 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.. Dana, William Starr, Mrs. , 1861-1952. Toronto : Publishers' Syndicate

RF2JK7T6K–Clusters of sporangia on a fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beaty in nature.

Devonian plants (Aglaophyton and Psilophyton). Watercolor on paper. Stock Photo

RF2KA8JF8–Devonian plants (Aglaophyton and Psilophyton). Watercolor on paper.

Male fern <Dryopteris filix-mas> 1 whole plant, 2 one leaf lobe from the underside with three sporangia clusters, one without veil, 3 a sporangium, 1898 Stock Photo

RMMXPMT6–Male fern <Dryopteris filix-mas> 1 whole plant, 2 one leaf lobe from the underside with three sporangia clusters, one without veil, 3 a sporangium, 1898

. Fossil plants : for students of botany and geology . Paleobotany. a. Fio. 319. A—C. Sporangia of Etapteris (?). D—G. Botryopteris forensis. (After Renault.) elongated slightly curved sacs (2-5 x 1-3 mm.) borne in clusters (fig. 319, A—C) on slender ramifications of the fertile frond, which is characterised by the absence of a lamina. Each. 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.. Seward, A. C. (Albert Charles), 186 Stock Photo

RMPG14W0–. Fossil plants : for students of botany and geology . Paleobotany. a. Fio. 319. A—C. Sporangia of Etapteris (?). D—G. Botryopteris forensis. (After Renault.) elongated slightly curved sacs (2-5 x 1-3 mm.) borne in clusters (fig. 319, A—C) on slender ramifications of the fertile frond, which is characterised by the absence of a lamina. Each. 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.. Seward, A. C. (Albert Charles), 186

RF2H9Y3D6–Badhamia panicea, a species of slime mold belonging to the family Physaraceae

RF2NHXADF–Metatrichia floriformis, a slime mold from Finland, no common Rnglish name

RF2H6HN2N–Green fresh frond of fern with spore clusters called sori isolated on white background

RF2H6YH40–A close up of sorus on the underside of a fern leaf

RMEY7210–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. Ferns: British & foreign. The history, organography, classification, and enumeration of the species of garden ferns with a treatise on their cultivation, etc. etc. Ferns. AN ENUMEKATION 01 CULTIVATED FERNS. 175 Son round, marginal, distinct or laterally confluent. Indurium reniform or subrotund, and special to each sorus, or more or. Genus 88.— Pinna of mature frond, under side. No. 13. Genus »8.—Fertile pinna, under side. No. i less elongated, plain or undnlate, and including two or moro fiori. § 1. Indusium oblong or linear, common to two or more clusters of sporangia. Fronds smooth, p Stock Photo

RMRDYJ0W–. Ferns: British & foreign. The history, organography, classification, and enumeration of the species of garden ferns with a treatise on their cultivation, etc. etc. Ferns. AN ENUMEKATION 01 CULTIVATED FERNS. 175 Son round, marginal, distinct or laterally confluent. Indurium reniform or subrotund, and special to each sorus, or more or. Genus 88.— Pinna of mature frond, under side. No. 13. Genus »8.—Fertile pinna, under side. No. i less elongated, plain or undnlate, and including two or moro fiori. § 1. Indusium oblong or linear, common to two or more clusters of sporangia. Fronds smooth, p

Fern in the sky. Clusters of sporangia on a fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beaty in natur Stock Photo

RF2JK7T7R–Fern in the sky. Clusters of sporangia on a fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beaty in natur

RF2M8AH73–Metatrichia floriformis, a slime mold from Finland, no common Rnglish name

RF2H6HN19–Green fresh frond of fern with spore clusters called sori isolated on white background

RMEY720T–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. A monograph of the Mycetozoa, being a descriptive catalogue of the species in the herbarium of the British Museum. Illustrated with seventy-eight plates and fifty-one woodcuts. Myxomycetes. TUBULINA.] TUBULINACE^. 153 Sporangium-wall with tubular extensions springing from the apex, without a pseudo-columella; sporangia stalked. (29) Alwisia. Fig. 37.—Ahvisia Soviiarda Berk. & Br. It. Three clusters of sporangia. Twice natural size. b. Immature sporangium, showing oapillitium through the transparent walls. (Drawn from a glycerine mounting.) Magnified 12 times. 0. Upper portion of three oa Stock Photo

RMRDTR58–. A monograph of the Mycetozoa, being a descriptive catalogue of the species in the herbarium of the British Museum. Illustrated with seventy-eight plates and fifty-one woodcuts. Myxomycetes. TUBULINA.] TUBULINACE^. 153 Sporangium-wall with tubular extensions springing from the apex, without a pseudo-columella; sporangia stalked. (29) Alwisia. Fig. 37.—Ahvisia Soviiarda Berk. & Br. It. Three clusters of sporangia. Twice natural size. b. Immature sporangium, showing oapillitium through the transparent walls. (Drawn from a glycerine mounting.) Magnified 12 times. 0. Upper portion of three oa

RF2JK7TC2–Fern in the sky. Clusters of sporangia on a fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beaty in natur

Sporangia on fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beauty in nature. Stock Photo

RF2J3PGYM–Sporangia on fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beauty in nature.

RF2M8AH9G–Metatrichia floriformis, a slime mold from Finland, no common Rnglish name

Metatrichia floriformis, a slime mold from Finland with no common english name Stock Photo

RF2DWY7A6–Metatrichia floriformis, a slime mold from Finland with no common english name

RF2H6HN2R–Green fresh frond of fern with spore clusters called sori isolated on white background

RMEY7213–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. A popular description of the common Oregon ferns; contribution from the Herbarium of the University of Oregon. TUUJj:, A POPULAR DESCRIPTION OF ANALYTICAL KEY. A. Fronds distinctly of two kinds. B. Sporangia borne in clusters or spikes,b. Frond simple. OphioglossumPage 11 bb. Frond pennately divided orcompound. BotrychiumPage 11 BB. Sporangia borne on back ofmodified frond. b. Frond once pinnate or pinnatifid. StruthiopterisPage 11. Stock Photo

RM2CEDX3Y–. A popular description of the common Oregon ferns; contribution from the Herbarium of the University of Oregon. TUUJj:, A POPULAR DESCRIPTION OF ANALYTICAL KEY. A. Fronds distinctly of two kinds. B. Sporangia borne in clusters or spikes,b. Frond simple. OphioglossumPage 11 bb. Frond pennately divided orcompound. BotrychiumPage 11 BB. Sporangia borne on back ofmodified frond. b. Frond once pinnate or pinnatifid. StruthiopterisPage 11.

RF2J3PGYR–Sporangia on fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beauty in nature.

RF2G5M7NM–Sporangia on fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beauty in nature.

RF2DWY7A4–Metatrichia floriformis, a slime mold from Finland with no common english name

RF2H6HN1C–Green fresh frond of fern with spore clusters called sori isolated on white background

Slime mold, Badhamia panicea Stock Photo

RFT30E53–Slime mold, Badhamia panicea

Metatrichia vesparium, commonly known as wasp nest slime mold, microscope image Stock Photo

RF2M8B8EN–Metatrichia vesparium, commonly known as wasp nest slime mold, microscope image

RMEY7215–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

RF2HBN3CH–Badhamia panicea, a species of slime mold belonging to the family Physaraceae

. The biology of the protozoa. Protozoa; Protozoa. Fig. 184. -Fruiting bodies of Comatricha nigra. A, five stalked spore capsules; B, section of capsule with columella, capillitium, and spores. (After MacBride.) Genera and species of Mycetozoa are distinguished according to the nature of the plasmodia and by the form and organization of the sporangia. Order I. ACRASIDA van Tieghem. (Pseudoplasmodidae of Zopf-Delage) Sorophora Lister (in part). The individual ameboid organisms after a period of creeping by active ameboid movement come together in clusters to form the pseudoplasmodia, the amebae Stock Photo

RMRHK0BD–. The biology of the protozoa. Protozoa; Protozoa. Fig. 184. -Fruiting bodies of Comatricha nigra. A, five stalked spore capsules; B, section of capsule with columella, capillitium, and spores. (After MacBride.) Genera and species of Mycetozoa are distinguished according to the nature of the plasmodia and by the form and organization of the sporangia. Order I. ACRASIDA van Tieghem. (Pseudoplasmodidae of Zopf-Delage) Sorophora Lister (in part). The individual ameboid organisms after a period of creeping by active ameboid movement come together in clusters to form the pseudoplasmodia, the amebae

RF2G5M7NX–Sporangia on fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beauty in nature.

RF2H6HN2E–Green fresh frond of fern with spore clusters called sori isolated on white background

RMEY720Y–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

RF2HBN3CX–Badhamia panicea, a species of slime mold belonging to the family Physaraceae

. Plant life, considered with special references to form and function. Plant physiology. VEGETATIVE HEP ROD VCTION. 251 the sporangia burst, or are moist and slirl<y, adliering to each other in larger or smaller clusters (fig. 264). Sometimes, as in orchids and nn'lkweeds, they are all held together in one mass by the remnants of the mother cells in which they were formed, and are attached to a part of the tissue of the anther which carries the massas a stalk or handle ffigs. 272,273). Dry spores are usually j,,,, ,^^ ^,,,„^^ ^^^^^^^^ ^^ ^,, adapted to distribution by w,nd ; TS^i^^,S^:'^^ Stock Photo

RMRDXR45–. Plant life, considered with special references to form and function. Plant physiology. VEGETATIVE HEP ROD VCTION. 251 the sporangia burst, or are moist and slirl<y, adliering to each other in larger or smaller clusters (fig. 264). Sometimes, as in orchids and nn'lkweeds, they are all held together in one mass by the remnants of the mother cells in which they were formed, and are attached to a part of the tissue of the anther which carries the massas a stalk or handle ffigs. 272,273). Dry spores are usually j,,,, ,^^ ^,,,„^^ ^^^^^^^^ ^^ ^,, adapted to distribution by w,nd ; TS^i^^,S^:'^^

RF2P4GWAN–Metatrichia floriformis, a slime mold from Finland, no common Rnglish name

Wasp nest slime mold, Metatrichia vesparium Stock Photo

RF2M87M3Y–Wasp nest slime mold, Metatrichia vesparium

RF2G5M7KF–Sporangia on fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beauty in nature.

RF2H6HN1H–Green fresh frond of fern with spore clusters called sori isolated on white background

RMEY720E–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. Introduction to structural and systematic botany, and vegetable physiology. Botany. CRYPTOGAMOUS OR FLOWEKLESS PLANTS. 501 963. Suboi'd. PolypodinefE. Sporangia collected in dots, lines, or variously shaped clusters {sori or fruit-dots) on the back or margins of the frond or its divisions, or rarely covering the whole surface, stalked, cellular-reticulated, the stalk-running into a vertical incom- plete ring, which by straightening at maturity ruptures the sporan- gium transversely on the inner side, discharging the spores. Fruit- dots often covered, at least when young, by a membrane called Stock Photo

RMRDTJ2X–. Introduction to structural and systematic botany, and vegetable physiology. Botany. CRYPTOGAMOUS OR FLOWEKLESS PLANTS. 501 963. Suboi'd. PolypodinefE. Sporangia collected in dots, lines, or variously shaped clusters {sori or fruit-dots) on the back or margins of the frond or its divisions, or rarely covering the whole surface, stalked, cellular-reticulated, the stalk-running into a vertical incom- plete ring, which by straightening at maturity ruptures the sporan- gium transversely on the inner side, discharging the spores. Fruit- dots often covered, at least when young, by a membrane called

RF2M84MT5–Metatrichia vesparium, commonly known as wasp nest slime mold, microscope image

RF2G5M7KH–Sporangia on fern. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beauty in nature.

RF2H6HN2Y–Green fresh frond of fern with spore clusters called sori isolated on white background

RMEY71YK–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. Botany; principles and problems. Botany. THE PrERIDOPffVTA 331 becomes very complex and develops several concentric rings of bundles, the members of which are connected with one another in an intricate fashion. Masses of heavy-walled sderenchyma cells are often formed in pith and cortex and aid in maintaining the rigidity of the stem. The sporangia (Fig. 201) are borne on the back or dorsal surface of the leaf in definite clusters (Fig. 199) known as fruiting-dots. Fig. 204.—Young sporophyte of a fern, which has developed from a fertilized egg, growing out of its parent gametophyte. or sori Stock Photo

RMRH8WPE–. Botany; principles and problems. Botany. THE PrERIDOPffVTA 331 becomes very complex and develops several concentric rings of bundles, the members of which are connected with one another in an intricate fashion. Masses of heavy-walled sderenchyma cells are often formed in pith and cortex and aid in maintaining the rigidity of the stem. The sporangia (Fig. 201) are borne on the back or dorsal surface of the leaf in definite clusters (Fig. 199) known as fruiting-dots. Fig. 204.—Young sporophyte of a fern, which has developed from a fertilized egg, growing out of its parent gametophyte. or sori

RF2NYEH98–Metatrichia vesparium, commonly known as wasp nest slime mold, microscope image

Sporangia on fern against clear sky. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beauty in nature. Stock Photo

RF2G5M7NR–Sporangia on fern against clear sky. Groupes de sporanges on fern leaves. Reproduction of olypodiopsida or Polypodiophyta. Beauty in nature.

RF2H6HN16–Green fresh frond of fern with spore clusters called sori isolated on white background

RMEY71YN–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. A manual of Indian botany. Botany. GYMNOSPERMIA 307 dioecious, achlamydeous, and at the summit of the stem. In Zamia the male and female flowers form. Figr. v^.—Cycas revohda (after Strasburger) long cone-like spikes, are crowded peltate stalked, bearing pollen-sacs (micro- sporangia) in clusters on their under surface. In Cycas the female flowers occupy the apex of the stem, and form a much less distinctly cone-like struc- ture than in Zamia. The carpels in Cycas (fig. 277) are small, pinnate or pinnifid leaves, the lower pinnae or leaflets of which are replaced by ovules (macrosporangia). Stock Photo

RMRE0PET–. A manual of Indian botany. Botany. GYMNOSPERMIA 307 dioecious, achlamydeous, and at the summit of the stem. In Zamia the male and female flowers form. Figr. v^.—Cycas revohda (after Strasburger) long cone-like spikes, are crowded peltate stalked, bearing pollen-sacs (micro- sporangia) in clusters on their under surface. In Cycas the female flowers occupy the apex of the stem, and form a much less distinctly cone-like struc- ture than in Zamia. The carpels in Cycas (fig. 277) are small, pinnate or pinnifid leaves, the lower pinnae or leaflets of which are replaced by ovules (macrosporangia).

RF2M84MNB–Wasp nest slime mold, Metatrichia vesparium

RMEY71YW–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. Botany for high schools and colleges. Botany. Pig. 866.—Prothalllum and young plant of Adi- antum CapUlus-Veneris, seen in vertical longitudinal section. ^,^, the prothallium ; a, archegonia : h, root- hair ; E, the young plant; w, its first root; 6, its first leaf. X about 10.—After Sachs. 490.—The Pilicinse may be here arranged iiiider four orders, as follows :* /. IsosporecB.— Spores of one kind. Order 1. rilioes, the true Ferns. Sporangia compos- ed of modified tri- cViomes, each de- veloped from a sin- gle epidermal cell, prodnced in clusters on the surface of or- dinary or slightly mod Stock Photo

RMRDW9FN–. Botany for high schools and colleges. Botany. Pig. 866.—Prothalllum and young plant of Adi- antum CapUlus-Veneris, seen in vertical longitudinal section. ^,^, the prothallium ; a, archegonia : h, root- hair ; E, the young plant; w, its first root; 6, its first leaf. X about 10.—After Sachs. 490.—The Pilicinse may be here arranged iiiider four orders, as follows :* /. IsosporecB.— Spores of one kind. Order 1. rilioes, the true Ferns. Sporangia compos- ed of modified tri- cViomes, each de- veloped from a sin- gle epidermal cell, prodnced in clusters on the surface of or- dinary or slightly mod

RF2P39RGG–Wasp nest slime mold, Metatrichia vesparium

RMEY7218–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. Botany for high schools and colleges. Botany. FILIOES, 373 I the macrosporangia usually containing only one macrospore. Sporangia in clusters, enclosed in modified leaves or ^'-fruits." Order Filices, the true Ferns. The prothallia of the Ferns are green thallus-like structures, growing upon the surface of the ground.. Fig. 257«.—Longitudinal section of the apex of the root of Pterls hastata. », apical cell ; o, o, epidermis ; e, cortical tissue ; c-c, c-c, the primary fibro-vascular bundles ; n, m, I, k, the root-cap ; k, k, daughter-cells recently cut oft' from the apical cell.—After Stock Photo

RMRH935E–. Botany for high schools and colleges. Botany. FILIOES, 373 I the macrosporangia usually containing only one macrospore. Sporangia in clusters, enclosed in modified leaves or ^'-fruits." Order Filices, the true Ferns. The prothallia of the Ferns are green thallus-like structures, growing upon the surface of the ground.. Fig. 257«.—Longitudinal section of the apex of the root of Pterls hastata. », apical cell ; o, o, epidermis ; e, cortical tissue ; c-c, c-c, the primary fibro-vascular bundles ; n, m, I, k, the root-cap ; k, k, daughter-cells recently cut oft' from the apical cell.—After

RF2P39RM8–Metatrichia vesparium, commonly known as wasp nest slime mold, microscope image

RMEY7205–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. Botany for high schools and colleges. Botany. Fig. 256.—Prothallium and young plant antum Cajnllus-Veneris, seen section. ^9,2?, the prothallium hair ; E, the young plant; w, its first root leaf. X about 10.—After Sachs. Adi- m vertical longitudinal a, archegonia; h, root b, its first gle epidermal cell, produced in clusters on the surface of or- dinary or slightly modified leaves. Each sporangium with an elastic ring, l^o stip- ules. Order 2. Marattiacese, the Eingiess Ferns. Sporangia produced from a group of epi- dermal cells; the ring either rudimentary or wanting. The large, much - br Stock Photo

RMRH935X–. Botany for high schools and colleges. Botany. Fig. 256.—Prothallium and young plant antum Cajnllus-Veneris, seen section. ^9,2?, the prothallium hair ; E, the young plant; w, its first root leaf. X about 10.—After Sachs. Adi- m vertical longitudinal a, archegonia; h, root b, its first gle epidermal cell, produced in clusters on the surface of or- dinary or slightly modified leaves. Each sporangium with an elastic ring, l^o stip- ules. Order 2. Marattiacese, the Eingiess Ferns. Sporangia produced from a group of epi- dermal cells; the ring either rudimentary or wanting. The large, much - br

RF2M84MMX–Metatrichia vesparium, commonly known as wasp nest slime mold, microscope image

RMEY71YP–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

RMEY71XW–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. Botany for high schools and colleges. Botany. 372 BOTANY.. Pig. 866.—Prothalllum and young plant of Adi- antum CapUlus-Veneris, seen in vertical longitudinal section. ^,^, the prothallium ; a, archegonia : h, root- hair ; E, the young plant; w, its first root; 6, its first leaf. X about 10.—After Sachs. 490.—The Pilicinse may be here arranged iiiider four orders, as follows :* /. IsosporecB.— Spores of one kind. Order 1. rilioes, the true Ferns. Sporangia compos- ed of modified tri- cViomes, each de- veloped from a sin- gle epidermal cell, prodnced in clusters on the surface of or- dinary or Stock Photo

RMRDW9FY–. Botany for high schools and colleges. Botany. 372 BOTANY.. Pig. 866.—Prothalllum and young plant of Adi- antum CapUlus-Veneris, seen in vertical longitudinal section. ^,^, the prothallium ; a, archegonia : h, root- hair ; E, the young plant; w, its first root; 6, its first leaf. X about 10.—After Sachs. 490.—The Pilicinse may be here arranged iiiider four orders, as follows :* /. IsosporecB.— Spores of one kind. Order 1. rilioes, the true Ferns. Sporangia compos- ed of modified tri- cViomes, each de- veloped from a sin- gle epidermal cell, prodnced in clusters on the surface of or- dinary or

RF2NYEGWW–Metatrichia vesparium, commonly known as wasp nest slime mold, microscope image

Metatrichia vesparium, commonly known as wasp nest slime mold Stock Photo

RF2HD2JX6–Metatrichia vesparium, commonly known as wasp nest slime mold

RMEY71Y9–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania, vol. 14. Botany; Botany. r Pis' 1 s* • • *-* * JL*^ ^** 7 1 3lvi^'r?.^iv"'?lT"'^^^ -^^^^^^^^ ^erh^-"- '•" the various sta.es of longitudinal sectfons of vn.'"* °^'^'''-« <Bul'- Macbr a Lh f ^/^ 5'^- ''• 261/ h«'. °^ development r ^1/ K ^°^"^ sporangia; r-o „ „.!; ^"'^ '' (redrawn from de^V^f' -4- k Botany 83 - ^ Since the sporangia of this species occur in large clusters, the developing sporangia are intimately associated. Figure 1, a represents a sing Stock Photo

RMRE9MDT–. Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania, vol. 14. Botany; Botany. r Pis' 1 s* • • *-* * JL*^ ^** 7 1 3lvi^'r?.^iv"'?lT"'^^^ -^^^^^^^^ ^erh^-"- '•" the various sta.es of longitudinal sectfons of vn.'"* °^'^'''-« <Bul'- Macbr a Lh f ^/^ 5'^- ''• 261/ h«'. °^ development r ^1/ K ^°^"^ sporangia; r-o „ „.!; ^"'^ '' (redrawn from de^V^f' -4- k Botany 83 - ^ Since the sporangia of this species occur in large clusters, the developing sporangia are intimately associated. Figure 1, a represents a sing

RF2HD2JX9–Metatrichia vesparium, commonly known as wasp nest slime mold

Tube slime mold, Stemonitis sp, immature specimen Stock Photo

RF2P4F782–Tube slime mold, Stemonitis sp, immature specimen

RMEY71XT–Interesting patterns at boundaries between pin mould fungi and the deep green turquoise blue color of spores in penicillium

. Botany for high schools and colleges. Botany. VILIVES. 373 the macrosporangia usually containing only one macrospore. Sporangia in clusters, enclosed in modified leaves or "fruits." Order Filices, the true Ferns. Tlie protliallia of the Kerna are green thallus-like structuree, growing upon the surface of the ground.. Kg. 257a.âLongitudinal section of the apex of the root of Pteris hastata. r, apical cell; o, 0, epidermis ; e, cortical tissue ; c-c, c-o, the primary fibro-vascular bundles ; n, m. I, k, the root-cap ; k, /fc, daughter-cells recently cut off from the apical cell.âAfte Stock Photo

RMRDW9FJ–. Botany for high schools and colleges. Botany. VILIVES. 373 the macrosporangia usually containing only one macrospore. Sporangia in clusters, enclosed in modified leaves or "fruits." Order Filices, the true Ferns. Tlie protliallia of the Kerna are green thallus-like structuree, growing upon the surface of the ground.. Kg. 257a.âLongitudinal section of the apex of the root of Pteris hastata. r, apical cell; o, 0, epidermis ; e, cortical tissue ; c-c, c-o, the primary fibro-vascular bundles ; n, m. I, k, the root-cap ; k, /fc, daughter-cells recently cut off from the apical cell.âAfte