Issued March 15, 1911. 



U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— Circular No. 74. 

 B. T. GALLOWAY, Chief of Bureau. 



THE SULPHUR BLEACHING OF COMMERCLVL 



OATS AND BARLEY. 



BY 



LE ROY M. SMITH, 

 Assistant, Office of Grain Standardization. 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1811 



77763°— Cir. 74—11 



