Revision issued June 12, 1915. 



U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY Circular No. 102. 

 B. T. GALLOWAY, Chief of Bureau. 



'HE PRODUCTION OF HAIRY VETCH SEED. 



BY 



C. V. PIPER, 



Agrostologist in Charge of Forage- Crop Investigations, 



AND 



EDGAR BROWN, 

 Botanist in Charge of Seed Laboratory. 



