. Plant life, considered with special references to form and function. Plant physiology. VEGETATIVE KEF ROD CCTION. 233 those bearing male organs onl)-. A similar separation of sexes in the gametophytes frequently occurs when the spores are eciual in size, as in Marchantia and horsetails, but it A. 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 Barnes, Charles Reid, 1858-1910. New York, H. Holt & company

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