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 Off ENGINEERS, U. S. ARMY, 

 UNDER THE DIRECTION OF 



BKIG. GEN. A. A. HUMPHREYS, 



CHIEF OF ENGINEERS, U. S. ARMY. 



PUBLISHED BY AUTHORITY OF THE HONORABLE THE SECRETARY OF WAR, 



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



IN SEVEN VOLUMES, ACCOMPANIED BY ONE TOPOGRAPHICAL AND ONE 

 GEOLOGICAL ATLAS. 



VOL. VL-BOTANY. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1878. 



