TABLE OF CONTENTS. 



Page 



Letter of Lieutenant Wheeler to General Humphreys xn 



Chapter I. — Colorado District : 



Chapter II.— New Mexico District 1' 



Chapter ILL — Notes on Economic Botany 4 



Chapter IV. — Catalogue op Plants collected in Nevada, Utah, Colorado, New Mexico, 

 and Arizona, with descriptions op those not contained in Gray's Manual 

 op the Botany op the Northern United States, or in Vol. V op the 

 Geological Exploration op the Fortieth Parallel, Clarence King, Geol- 

 ogist in charge 5! 



APPENDIX. 



Notes on that portion of California traversed by the Botanists of the Expedition op 



1875, with enumeration of plants collected during that year 35: 



Table of Orders 37! 



Index 38 



Explanation of Plates 40 



IX 



