194 Wyoming Experiment Station. 



Phragmites communis, Tiin. Fund. Agiost. 134 (1820). P. Phrag- 

 mites, (L.) Karst. 



Not noted by the writer, but fine specimens by B. C. Buffum, 

 from Little Muddy Creek, Casper, August 12, 1891. Reed Grass. 

 Eragrostis major, Host. Gram. Austr. 4: 14, t. 24 (1809). 



Sparingly introduced about Wheatland and probably in other 

 localities; September, 1892, B. C. Buffum. 

 Eatonia obtusata. Gray, Man. Ed. 2, 558 (1856). 



Frequent; Crook county, August, 1892; Fairbanks. July 14, 

 1894 (No. 459). 

 Koeleria cristata, Pers. Syn. i, 97 (1812). 



Common everywhere ; Johnson county, August, 1892 ; Laramie, 

 June 28, 1894 (No. 283), and noted in numerous localities. 

 Catabrosa aquatica, Beauv. Agrost. 157, t. 19, f. 8 (1812). 



Throughout the state ; Crook Creek, June 28, 1891 ; Cottonwood 

 Canon, August 4, 1895 (No. 1567). 

 Melica bulbosa, Geyer. 



Infrequent; Bald Mountain, August 16, 1892. 

 Distichlis maritima, Raf. Journ. Phys. Ix.x.xix, 104 (1818). D. spicaia, 

 (L.) Greene. 



Frequent on wet alkali flats. 



Big Wind River, August 1. 1892; Alkali Springs, July 31, 1894 

 (No. 659). 

 Poaalpina, L. Sp. PI. 67 (1753). 



Rare, as well as rarely beautiful ; Bald Mountain, August 15, 

 1892. 

 Poa andina, Nutt. Wats. Bot King Exp. 388 (1871). P. arida, Vasey. 

 Common on dry slopes ; Middle Pass, June 21,1892; Laramie, 

 June 5, 1895 (No. 1245). 

 Poa Californica, Vasey, Cat. Grasses, U. S. 81 (1885). P. Fendleriana. 

 (Steud.) Vasey. 



Infrequent; Big Sandy, July, 1892. 

 Poa csesia strictior. Gray. 



Laramie Hills, June, 1892, B C. Buffum. 

 Poa cuspidata, Vasey. 



Carbon county, June, 1892; La Plata Mines, August 22, 1895 

 (No. 1782). 

 Poa laevis, Vasey. 



Carbon county, June, 1892. 



