1 1 2 Wyoming- Experiment Station. 



(Enothera albicaulis, Nutt. Fraser's Cat. 1813. Afwgra pallida^ 

 Britton. 



Common on sandy ridges along the Laramie River. 

 Fisher's Ranch, June 19,1894 (No. 264); Whalen Canon, July 

 n, 1894 (No. .")11). 

 (Enothera biennis, L. Sp. PI .346 (1753). Onagra biennis (L.) Scop, 

 The specimens before me show considerable variation, but none 

 of them seem to fall into any of the e.xisting varieties. 



Whalen Canon, July 18, 1894 (No. 519); Laramie Peak, August 

 8, 1895 (No. 1646). 

 (Enothera brachycarpa, Gray, PI. Wright, i, 70. 



On gravelly hillsides in the mountains ; not frecjuent. 

 Centennial Valley, June 9, 1895 (No. 1274); Gros Ventre River, 

 August 16, 1894 (No. 926). 

 (Enothera breviflora, T. ^: G. Fl. i, 506 (1840). 



This was found in considerable abundance in one spot only, the 

 naked soil of an old buffalo wallow. 



Bacon Creek, August 25, 1894 tNo. 1043). 

 (Enothera caespitosa, Nutt. Gen. i, 246 (1818). 



Abundant on the naked red clay hills near Laramie; May 23, 

 1894 (No. 58); May 30, 1895 (No. 1221). 

 (Enothera coronopifolia, T. & G. Fl. N. A. i, 495 (1840). Anogra 

 coronopifolia, (T. & G.) Britton. 

 Common on the Laramie Plains. 



L'niversity Campus, June 1894 (No. 222); June 1895 (No. 1426). 

 (Enothera Hartwegi, Benth. PI. Hartw. v, (1843). 

 On dry, gravelly clay hills; not common. 

 Blue Grass Creek, July 9, ]S94 (No. 375). 



(Enothera Hartwegi lavandulaefolia, Watson, Proc. Am. Acad, viii, 



590 (1873). 



These specimens are from type locality, viz., "Plains of the 

 Platte." Seemingly quite rare. 



Whalen Canon, July 18, 1894 (No. 526). 



(Enothera pinnatifida, Nutt. Gen. i, 245 (1818). Anogra albicaulis, 

 (Pursh) Britton. 



Frequent on sandy river bottoms. 



Wheatland, July 9, 1894 (No. 380); North Fork Wind River,. 

 August 9, 1894 (No. 779). 



