. Diseases of economic plants. Plant diseases. leaves showing spots due to the blight (ascochytose). After van 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, 1871-1934; Hall, John Galentine, 1870-. New York, Macmillan

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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910