Bulletin No. 14. 



Agros. 34. 



U. S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF AGROSTOLOGY. 

 [nrnMM iiiitl Forage Plant InveMtigalioiiM.J 



ECONOMIC OKASSES 



BY 



F. LAMSON-SCRIBNER, 



AGROSTOLOGIST. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 18 98. 



