. Diseases of economic plants. Plant diseases. 126 Diseases of Economic Plants. Fig. 64. — Downy-mildew as seen from the lower surface of the leaf. After 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 Stevens, Frank Lincoln, 1871- [from old catalog]; Hall, John Galentine, 1870- [from old catalog] joint author. New York, The Macmillan company


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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921