. Fossil plants : for students of botany and geology . Paleobotany. XXXVI] CYCADBOIDBA 375 With very few exceptions the steins of Cycadeoidea so far described afford no satisfactory evidence of the presence of more than one vascular cylinder in the main stem: in this respect Oycadeoided agrees with such recent Cycads as Dioon, Geratozamia, and Stangeria. In the stem of C. Jenneyana the secondary. 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
. Fossil plants : for students of botany and geology . Paleobotany. XXXVI] CYCADBOIDBA 375 With very few exceptions the steins of Cycadeoidea so far described afford no satisfactory evidence of the presence of more than one vascular cylinder in the main stem: in this respect Oycadeoided agrees with such recent Cycads as Dioon, Geratozamia, and Stangeria. In the stem of C. Jenneyana the secondary. 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
