. Carnegie Institution of Washington publication. THE EUSPORANGIATAE THE COMPARATIVE MORPHOLOGY OF THE OPHIOGLOSSACEAE AND MARATTIACEAE BY DOUGLAS HOUGHTON CAMPBELL PROFESSOR OF BOTANY, LELAND STANFORD JUNIOR UNIVERSITY. WASHINGTON, D. C. Published by the Carnegie Institution of Washington 1911. 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington

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Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1910, bookyear1911