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 Charge of Grain-Sorghum 



Investigations. 



Issued April 8, 1910. 



LIBRARY 

 NEW YORK 

 BOTANICAL 

 GARDEN. 



WASHINGTON: 

 GOVERNMENT printing office. 



1910. 



