. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. LYCOPODINE^ 501. Fig. 290.—a. Plant of Phylloglossum Drummondii, x about 3 (after Bertrand). sp. Sporangia; R, roots; !>, protocorm; T^, secondary protocorm; B, longitudinal sec- tion of the young strobilus of the same, showing the initial cell (0, young leaves (/', I"), and young sporangium(j/j), X240; C-E, young sporangia of Lycopodium selago, radial sections, X22S; F, tangential section of the same; G, radial section of youngs sporangium of L. clavatum (Figs. B-G after Bower).. Plea

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. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. LYCOPODINE^ 501. Fig. 290.—a. Plant of Phylloglossum Drummondii, x about 3 (after Bertrand). sp. Sporangia; R, roots; !>, protocorm; T^, secondary protocorm; B, longitudinal sec- tion of the young strobilus of the same, showing the initial cell (0, young leaves (/', I"), and young sporangium(j/j), X240; C-E, young sporangia of Lycopodium selago, radial sections, X22S; F, tangential section of the same; G, radial section of youngs sporangium of L. clavatum (Figs. B-G after Bower).. 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 Campbell, Douglas Houghton, 1859-1953. New York, The Macmillan Company;

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Keywords: ., bookauthorcampbelldouglashought, bookcentury1900, bookdecade1910