First Report on the Flora of Wyoming. 183 



Allium acuminatum, Hook. Fl. Bor. Am. ii, 184, t. 146 (1840). 



On the Platte River, 1891, B. C. Buffum. 

 Allium brevistylum, Watson, Bot. King Exp. 350 (1871). 

 Frequent in rich loam soil in copses. 



Big Horn Mountains, July 1892; Centennial Hills, August 1895 

 (No. 1704). 

 Allium cernuum, Roth. Roem. Arch. Bot. i, part 3, 40 (1798). 



Very frequent ; Inyan Kara Divide, August 31,1892; Garfield 

 Peak. July 29, 1894 (No. 661); Laramie Peak, August 7, 1895 (No. 

 1633). 

 Allium Nuttallii, Wats. Proc. Am. Acad, xiv, 227 (1879). 

 Not infrequent on gravelly river bottoms and hillsides. 

 Laramie, June 19, 1894 (No. 263); Pole Creek, June 30, 1895 

 (No. 1382). 

 Allium reticulatum, Don. Mem. Wern. Soc. vi, 36 (1826 31). 

 The earliest and commonest Wild Onion on the plains. 

 Laramie, June 15, 1894 (No. 222); Pole Creek, June 29, 1895 

 (No. 1353). 

 Allium Schoenoprasum, L. Sp. PI. 301 (1753). 

 In wet places in the mountains. 



Green River, August 15, 189-i (No. 907); La Plata Mines, Au- 

 gust 23, 1895 (No. 1788). 

 Fritillaria atropurpurea, Nutt. Journ. Acad. Phila. vii. 54 (1834). 



This is very rare ; single specimens from the east slope of the 

 Laramie Hills in June by B. C. Buffum, and on two occasions by 

 Noah Wallis. 



Erythronium grandiflorum, Pursh. Fl. i, 231 (1814). 

 Infrequent; alpine or at least subalpine. 



Bald Mountain, August 16,1892; La Plata Mines, August 22, 

 1895 (No. 1796). 



Calochortus Gunnisoni, Wats. Bot. King's Exp. 348 (1871). 

 Among the sage brush in the valleys. 



Sybille Creek, July 8, 1894 (No 319); Cummins, July 26, 1895 

 (No. 1451). 



Calochortus Nuttallii, T. & G. Pac. R. R. Rep. ii, 124 (1855). 



In similar locations and nearly resembhng the preceding but for 

 the anthers and glands. 



Laramie Hills, June 18. 1891 ; also July 7, 1894 (No. 413). 



