. The Eusporangiatae; the comparative morphology of the Ophioglossaceae and Marattiaceae. Ophioglossaceae; Marattiaceae. Ophioglossum (Cheimglossa) palmalum L. Collected In Jamaica. 1. The whole plant. 2, 3. Sporophylls; in 3 there is a single median 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 Campbell, Douglas Houghton, 1859-1953. Washington, D. C. , Carnegie Institution of Washington

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Keywords: ., bookauthorcampbelldouglashought, bookcentury1900, bookdecade1910