Bul. 379, U. S. Dept. of Agriculture. PLATE II. 
Fia. 1.—THRESHING WHEAT NEAR Moscow, IDAHO, WITH 8 PER CENT SMUT (ESTI- 
MATED) IN CROP. 
Fic. 2.—SAME MACHINE THRESHING WITH 14 PER CENT SMUT (ESTIMATED) IN CROP, 
SHOWING BLACKER SMUT-DUST CLOUD COMING FROM BLOWER PIPE. 
