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Ed. F. Mangelsdorf & Bro., | 
1020 SO. FOURTH ST. 
St. Louis, Mo. 

Ue Se ee of Agriculture, 
PT ae is 
ureau of Plant Industry, 
dag eae ier wer ee ee Se 
ofan Sa AB Os Se 3 Vegeta ble Cr Op ¢ Diseas 
Washington, D. C. 
