. Distinguishing characteristics of some forage-grass diseases prevalent in the North Central states. Forage plants Diseases and pests Middle West; Grasses Diseases and pests Middle West. Figure 6.— Brown spot on smooth 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 Allison, J. Lewis (Joseph Lewis), 1911-; Chamberlain, Donald W. (Donald William), 1905-. Washington, D. C. : U. S. Dept. of Agriculture

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