ge. 
BULLETIN No. 30. (Agros. 60.) 
U. 8. DEPARTMENT OF AGRICULTURE, 
DIVISION OF AGROSTOLOGY. 
[Grass and Forage Plant Investigations.] 
AMERICAN GRASSES—HUL 
(ILLUSTRATED.) 
DESCRIPTIONS OF THE TRIBES AND GENERA, 
Fr. LAMSON-SCRIBNER, 
na ths 
AGROSTOLOGIST. 
WASHINGTON: 
PRINTING OFFICE. 
