. Bulletin. Agriculture. U. S. DEPARTMENT OF AGRICULTURE. BUREAU OF PLANT INDUSTRY—BULLETIN NO. 183. B. T. GALLOWAY, Chief of Bureau. FIELD STUDIES OF THE CROWN-GALL OF THE GRAPE. BY GEORGE G. HEDGCOCK, Pathologist, Fruit-Disease Investigations. Issued July 23, WASHINGTON: GOVERNMENT PRINTING OFFICE. 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 United States. Bureau of Plant Industry. Washington : G. P. O.

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