. Fossil plants : for students of botany and geology . Paleobotany. xxxvi] OYCADEOIDEA 381 Wieland points out, that after a vegetative period of some con- siderable duration the plant produced a large crop of flowers, and it is conceivable that as in Ooryfha and some other recent Flowering. Fig. 514. Ovulate strobilus of Cycadeoidea. Longitudinal section showing the pith, m, stele, x, p, and cortex, c, of the stem, the ovulate strobilus with bracts, 5, seeds, s, etc., enclosed by fohage-leaves, I; a, insertion of leaves on the stem; d, insertion of disc of microsporophyUs. (After Wieland.) pla


. Fossil plants : for students of botany and geology . Paleobotany. xxxvi] OYCADEOIDEA 381 Wieland points out, that after a vegetative period of some con- siderable duration the plant produced a large crop of flowers, and it is conceivable that as in Ooryfha and some other recent Flowering. Fig. 514. Ovulate strobilus of Cycadeoidea. Longitudinal section showing the pith, m, stele, x, p, and cortex, c, of the stem, the ovulate strobilus with bracts, 5, seeds, s, etc., enclosed by fohage-leaves, I; a, insertion of leaves on the stem; d, insertion of disc of microsporophyUs. (After Wieland.) plants this supreme effort set a limit to the plant's existence. In the development of flowers from the old stem Cycadeoidea affords a striking example of 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