BUREAU OF PLANT INDUSTRY. 



Chief of Bureau, BEXBRhY T. Galloway. 

 Assistant Chief of Bureau, ViiLLiAM A.Taylor. 

 Editor, J. E. Rockwell. 

 Chief Clerk, James E. Jones. 



[Cir. 113] 



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ADDITIONAL COPIES of this publication 

 -^ may be procured from the Superintend- 

 ent OF Documents, Government Printing 

 OfEce, Washington, D. C, at 5 cents per copy 



