U. S. DEPARTMENT OF AGRICULTURE. 

 BUREAU OF PLANT INDUSTRY— BULLETIN NO. 175. 



B. T. GALLOWAY, Chief of Bureau. 



THE HISTORY AND DISTRIBUTION 



OF SORGHUM. 



BY 



CARLETON R. BALL, 



Agronomist in Gharge of Grain-Sorghum 



Investigations. 



Issued April 8, 1910. 



WASHINGTON: 



GOVERNMENT printing office, 



1910. 



