. Fossil plants : for students of botany and geology . Paleobotany. Fig. 243. Angiopteris evecta. Section of petiole (considerably reduced) and of a single vascular bundle (magnified) : px, protoxylem; st, sieve- 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