U. S. DKPARTMENT OF A(;RICUL'I URE. 



BUREAU OF PLANT INDUSTRY BULLETIN NO. 33. 



H. T. tiALLOWAY, Chief <ii Hiirtau. 



II 



BY 





Lfrr>Aoy 



A. S. IIITC^IICOCK, 



Assistant Agrostolooist, in Charge of Cooperative 



p^xperiments, 



GRASS AND FORAGE PLANT INVESTIGATIONS. 



Issued February 10, 1903. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE., 



1903. 



