. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. 430 MOSSES AND FERNS Fig. 252.—Part of a fruiting plant of Ptlularia Americana, X4; sp, sporocarpa. 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. New York, The Macmillan Company;

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