[Cir. 107] 

 2 



BUREAU OF PLANT INDUSTRY. 



Chief of Bureau, Beverly T. Galloway. 

 Assistant Chief of Bureau, William A. Taylor. 

 Editor, J. E. Rockwell. 

 Chief Clerk, James E. Jones. 



ADDITIONAL COPIES o f this publication 

 A may be procured from the Superintend- 

 ent of Documents, Government Printing 

 Office, Washington , P. C. , at 5 cents per copy 



