A DESCRIPTIVE CATALOGUE 



Grasses of the United States. 



INCLUDING ESPECIALLY THE 



GRASS COLLECTIONS AT THE NEW ORLEANS EXPOSITION 



MADE BY THE U. S. DEPARTMENT OF AGRICULTURE, AND 

 * THE STATE EXHIBITS OF GRASSES, WITH NOTES ON 

 SUCH SPECIES AS ARE MORE OR LESS EMPLOY- 

 ED IN AGRICULTURE, OR DESERVING 

 OF TRIAL FOR CULTIVATION. 



Dr. George Vasey, 



Botanist of the Department of Agriculture^ Washington, D. C. 



washington : 



Gibson Bros., Printers and Bookbinders. 



1885. 



