U.S. DEPARTMENT OF AGRICULTURE, 
DIVISION OF BOTANY. 
; BULLE ES. Ne. ts. 
GRASSES OF THE SOUTHWEST. 
PLATES AND DESCRIPTIONS 
‘OF THE 
7 GRASSES OF THE DESERT REGION OF WESTERN TEXAS, NEW MEXICO, 
q ARIZONA, AND SOUTHERN CALIFORNIA, 
4s Part II. 
By Dr. GEO. VASEY, 
a 
BOTANIST, DEPARTMENT OF AGRICULTURE. 
ISSUED DECEMBER, I891, 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 
WASHINGTON : 
GOVERNMENT PRINTING OFFICE. 
1891. 
