U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— BULLETIN NO. 181. 



B. T. GALLOWAY, Chief of Bureau. 



THE CURLY-TOP OF BEETS. 



BY 



HARRY B. SHAW, 



Assistant Pathologist in Cotton and Trltck Diseases and 



Sugar-Plant Investigations, in Cooperation with 



the Bureau of Entomology. 



Issued July 13, 1910. 



WASHINGTON: 

 government printing office. 



1910. 



