27 
In Emory's Report of Reconnoissance, p. 136. Washington, 1848. 
Botany of the United States and Mexican Boundary Survey. By 
John Torrey, the Cactace^ by Geo. Engelmann. (C.) 
Rep. U, S. and Mex. Bound. Survey, Vol. ii. Washington, 1859. 
Botany of the United States Exploration of the Fortieth Parallel. 
(King's Reports.) By Sereno Watson, D. C. Eaton and others. 
(C.) . ^ 
In Rep. of Exploration, Vol. v., 4to. Washington, 187 1. 
List of Plants collected by the North Pacific R. R, Expedition of 
1873 under Gen. D, S. Stanley. By J. A. Allen. (B.) 
In Proc. Bost. Soc. Nat. Hist, xvii., 1875. 
The Upper Missouri Region. 
Catalogue of Plants collected in Long's Second Expedition. By L. 
D, DeSchweinttz. 
In Keating's Rep. of Expedition. Washington, 1825. 
The Sylva of Montana. By J. G. Cooper, M.D. 
In Amer. Nat., iii., 405. (A.) 
Catalogue of Plants collected during the Expedition of F. V. Hay- 
den to the Headwaters of the Yellowstone River in the Summer 
of 187 1, with a small number gathered by Dr. George Smith in 
August, 1871, on Gray's Peak and near Georgetown, Colo. By 
T. C. Porter. (The Mosses by L. Lesquereux and Lichens by 
E. Tuckerman.) (C.) 
In U, S. Geol. and Geog. Surv. Montana and adjacent Terr., p. 
477- Washington, 187 1. 
Catalogue of Ph?enogamous and Vascular Cryptogamous Plants col- 
lected during the summers of 1873 and 1874 in Dakota and 
Montana by Dr. Elliott Cones; with which are incorporated 
those collected in the same region at the same times by Mr. G. 
M. Dawson. By J. W. Chickering. (B.) 
In Bull, U. S. Geol. and Geog. Surv., 1878, Vol. iv., No. 4- 
Washington. 
Botany of the Black Hills of Dakota. By Asa Gray. (C.) 
In Rep. on Geol. and Resources of the Black Hills by Henry 
Newton and W. P. Jenney. Washington, 1880, p. 531. 
The Rocky Mountain Region. 
Catalogue of Plants collected during a journey to and from the 
Rocky Mountains durin^: the summer of 1820. By E. P, James. 
(B.) 
In Trans. Amer. Phil. Soc, Phila., Vol. ii., (new series) 1825. 
fincludes many species from the plains, and east of the Mississippi.) 
Some account of a Collection of Plants made during a journey to and 
from the Rocky Mountains in the summer of 1820, by Edwm P. 
James, M.D. By John Torrey. (C.) 
In Ann. Lye. Nat. Hist., ii., i6j, 1828. 
Catalogue of a Collection of Plants made chiefly in the valleys of the 
l^ocky Mts. or Northern Andes toward the sources of the 
Columbia RiVer by Nathaniel B. Wyeth. By T. Nuttall. (C.) 
In Journ. Phila. Acad, Sci., vii., [834. ^ t^ xr tt 
Catalogue of Plants collected in Wyoming and Colorado by Dr. t. V. 
Hayden and Mr. B H. Smith, 1868, 1869, 1870. By T. C. 
Porter. (C.) 
