W e ? 
eer 
q 2 
e à 
BULLETIN No. 5. 
. S. DEPARTMENT OF AGRICULTURE. 
DIVISION OF AGROSTOLOGY. 
(Grass and Forage Plant Investigations.) 
A REPORT 
UPON THE 
GRASSES AND FORAGE PLANTS 
OF THE 
ROCKY MOUNTAIN REGION. 
BY 
P. A RYDBERG AND C. L. SHEAR. 
PREPARED UNDER THE DIRECTION OF THE AGROSTOLOGIST. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1891. 
