1 88 Wyoming Experiment Station. 



Carex Nebraskensis, Dewey, Am. Journ. Sci. (II) xviii, 102 (1854). 



This is a very common species in wet soil everywhere, even in 

 soils with a considerable percentage of alkali ; Laramie, June 19, 

 1894 (No. 274); Table Mountain, June 2, 1894 (No. 130). 



Some specimens by B. C. Buft"um are marked C. Nebraskensis 

 prcEvia, Bailey, and it is not clear from the specimens nor from the 

 literature at hand that they are different from the species. 

 Carex occidentalis, Bailey. 



Apparently rare; Laramie Peak, August 6, 1895 (No. 1614). 

 Carex Pennsylvanica, Lam. Encycl. iii, 388 (1789). 



Common on fertile hillsides among sage brush and other under- 

 shrubs. 



Crook county August, 1892; Pole Creek, May 25, 1894 (No. (39). 

 Carex pratensis, Drejer, Rev. Crit. Car. Bor. 24 (1841). 



Head of Crazy Woman Creek, August 8, 1892, B. C. Buffum. 

 Carex Raynoldsii, Dew. Am. Journ. Sci. xxxii, 39 (1837). 



Infrequent; Bald Mountain, August 15, 1892, B. C. Buffum. 

 Carex siccata, Dew. Am. Journ. Sci. x, 278 (1826). 

 Abundant in native meadows on alkali soil. 

 Laramie, June 1, 1894 (No. 65). 

 Carex stenophylla, Wahl. Kongl. Acad. Handl. (II.) xxiv, 142 (1803). 

 Exceedingly abundant on the Laramie Plains in both dry and 

 wet soil, the earliest Sedge, springing up as almost the first 

 vegetation. 



Laramie, May 16, 1894 (No. 19) ; at various other times. 

 Carex straminea brevior, Dew. 



Rare; Lusk. July 21. 1894 (No. 586). 

 Carex straminea mirabilis, (Dew.) Tuck. Enum. Meth. 18 (1843). 



Specimens communicated by J. F. Lewis, of the Sheridan Exper- 

 iment Farm, September 1, 1895. 

 Carex tenella, Schk. Riedgr. 23, Fig. 104 (1801). 



Some specimens from Wolf Creek, August 18, 1892, B. C. 

 Buffum. 

 Carex Tolmiei, Boott. 



Table Mountain, June 2, 1894 (No. 100); also from the Big 

 Horn Mountains, August 6, 1892, B. C. Buffum. 

 Carex utriculata, Boott. Hook. Fl. Bor. Am. ii, 221 (1840). 

 Infrequent ; Muddy Creek, August 25, 1894 (No. 1108). 



