. Sexual reproduction and the organization of the nucleus in certain mildews. Plants; Karyokinesis; Phyllactinia. K. A. H. 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 Harper, Robert Almer, 1862-. Washington, D. C. , Carnegie Institution of Washington

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Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectplants