. Fossil plants : for students of botany and geology . Paleobotany. XV] LEPIDODENDRON 165 xylem, x', occur several isodiametric tracheae with fine scalariform and reticulate thickening bands like those in the central region D. B. 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