. Carnegie Institution of Washington publication. 96 THE OI'HIOGLOSSALKS case is shown in rig. 82, E, where the lamina is almost entirely suppressed and the terminal character of the spike is very evident. As the leaf develops, there is a very great increase in size in the lamina, which, as we have seen, may reach a great length. The anatomical structure of the leaf. Fig. oa.—Ophioglossum pendulum* A. Section of stem apex, X3. 1). The stem apex, more enlarged. B. Young sporophvll. sp, sporangiophore. X35. K. Very young sporophyll. sp, sporangiophore. 9 C. Stem apex, .v, arul youngest leaf, /.
. Carnegie Institution of Washington publication. 96 THE OI'HIOGLOSSALKS case is shown in rig. 82, E, where the lamina is almost entirely suppressed and the terminal character of the spike is very evident. As the leaf develops, there is a very great increase in size in the lamina, which, as we have seen, may reach a great length. The anatomical structure of the leaf. Fig. oa.—Ophioglossum pendulum* A. Section of stem apex, X3. 1). The stem apex, more enlarged. B. Young sporophvll. sp, sporangiophore. X35. K. Very young sporophyll. sp, sporangiophore. 9 C. Stem apex, .v, arul youngest leaf, /. F. Cross-section of young sporangiophore. closely resembles that of Euophioglossum, hut the stomata are much largci and around the stoma is a concentrically arranged series of cells, indicating that probably the formation of the mother cell of the stoma is preceded by a series of preliminary. 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1910, bookyear1911
