1. 



WASHiNaxoNj D. C, July 1, 1884. 

 Sir : I herewith submit a special report on the grasses of the United 

 States which are either native or naturalized and which have more 

 or less agricultural value. 

 Eespectfully yours, 



GEO. VASEY, 

 Botanist of the Department. 

 Hon. George B. Loring, 

 Commissioner. 



