U.S. DEPARTMENT OF AGRICULTURE. 
DIVISION OF BOTANY. 
CONTRIBUTIONS 
THE U.S. NATIONAL HERBARIUM. 
Vol. II. No. 2. 
ISSUED JUNE 1, 1892. 
MANUAL OF THE PHANEROGAMS AND PTERIDOPHYTES OF 
WESTERN TEXAS. 
BY 
SOHN M. COULTER. 
GAMOPETALZE. 
PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE, 
1892, 
