PLATE VI. 
Bul. 614, U. S. Dept. of Agriculture. 
“AIVSSODIU OIL YL} []B Ud} JO OLB SMOLIN OIG} Sprevyoio BuNnod UT 
"HSV ‘VWINVA HLYON YVAN GHYVHOUO dVSSNIM GIO-YV3A-G V ONILVOINY] 
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