ENGINEER DEPARTMENT, U. S. ARMY. 



REPORT 



United States Geographical Surveys 



WEST OF THE ONE HUNDREDTH MERIDIAN, 



IN CHARGE OF 



FIRST LIEUT. GEO. M. WHEELER, 



CORPS OF ENGINEERS, U. S. ARMY', 

 UNDER THE DIRECTION OF 



BKIG. GEN. A. A. HUMPHREYS, 



CHIEF OF ENGINEERS, U. S. ARMY. 



PUBLISHED BY AUTHORITY OP THE HONORABLE THE SECRETARY OF WAR, 



IN ACCORDANCE WITH ACTS OF CONGRESS OF JUNE 23, 1874, AND FEBRUARY 15, 1875. 



IN SEVEN VOLUMES, ACCOMPANIED BY ONE TOPOGRAPHICAL AND ONE 

 GEOLOGICAL ATLAS. 



VOL. VI.-BOTANY. 



XJBRABV 

 NEW YORK 



BOTANICAL 

 GARDEN 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1878. 



