CONTENTS. 
PART I. 
Page. 
Plants collected by Mr. James A. Snyder, under the direction of Lieut. E. G. Beckwith, U. S. A., in an expedition made 
under his charge from Great Salt Lake, Utah Territory, directly west to the Sacramento valley, in California, in the 
months of May, June, and July, 1854 .. 119 
PART II. 
Plants collected by Mr. F. Creutzfeldt, under the direction of Capt. J. W. Gunnison, U. S. A., in charge of explorations 
for a railroad from Fort Leavenworth, via the Kansas, Arkansas, and Huerfano rivers, the Sangre de Cristo Pass, 
San Luis valley, Coochetopa Pass, Grand and Green rivers, and thence into the Great Basin, in the vicinity of the 
Sevier or Nicollet lake. The collection was made from early in June to late in October, 1853 .... 125 
