. Fossil plants : for students of botany and geology . Paleobotany. 322 FILICALES [CH. palmatum the lamina is deeply lobed. In the genus Botry- chium, represented in Britain by B. Lunaria, both sterile and fertile branches of the frond are pinnately divided, while in Helminthostachys the sporangia are borne on sporangiophores. 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 Seward, A. C. (Albert Charles), 1863-1941. Cambrid
. Fossil plants : for students of botany and geology . Paleobotany. 322 FILICALES [CH. palmatum the lamina is deeply lobed. In the genus Botry- chium, represented in Britain by B. Lunaria, both sterile and fertile branches of the frond are pinnately divided, while in Helminthostachys the sporangia are borne on sporangiophores. 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 Seward, A. C. (Albert Charles), 1863-1941. Cambridge : University Press
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishercambr, bookyear1898
