SPRING 1938 
POSTMASTER: Return postage guaranteed if undelivered. 
SEC. 562, P.L. & R. 
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u. S. Bopartmoat ?f.' Agriculture 
U. S. Department of Agriculture, 
7 
Washington, D. C. 
Bureau of Plant Industry 
Fruit and Vegetable Crops and Diseases 
M. R. N 
oro 8 —3591 
