I 30 Wyoming Experiment Station. 



Erigeron subtrinervis, Rydbercr. e. glabellus mollis, Gray. 



That this is worthy of the specific rank recently accorded it, I 

 think no one will question. 



Centennial Valley, August 17, 1895 (No. 1692). 

 Erigeron grandiflorus, Hook. Fl. ii, 123. 



Bald Mountain, August 15, 1892, B. C. But^um, specimens with 

 rays almost white; La Plata Mines, August 24, 1895 (No. 1805), 

 rays purple. 

 Erigeron leiomeris, Gray, Syn. Fl. 211 (1884). 



Collected on the Grand Teton at about 10,000 ft , at the foot of 

 rocky ledges, August 21, 1894 (No. 1054). 



Erigeron macranthus, Nutt. Trans. Am. Phil. Soc. vii, .310 (1841). 

 In mountain parks and meadows at 8,000 ft. and upward. 

 Garfield Peak, July 29, 1894 (No. 647); Cummins, July 30, 1895 

 (No. 1535). 

 Erigeron pumilus, Nutt. Gen. ii, 147 (1818). 



Frequent in sandy, grassy valleys in the Laramie Mountains. 

 Laramie Hills, June 7, 1894 (No. 169); Table Mountain, June 30, 

 1895 (No. 1339); observed in many other localities. 



Erigeron radicatus, Hook. Fl. ii, 17. 



On dry, stony ridges and subalpine table lands. 

 State Fish Hatchery grounds, Laramie, May 28, 1892, B. C. Bul- 

 fum ; Table Mountain, June 2, 1894 (No. 143). 

 Erigeron salsuginosus, Gray, Proc, Am. Acad. .\vi, 93 (1880). 



Wyoming must be the natural home of this splendid species, 

 judging by the luxuriance of its growth. Superb specimens with 

 heads two inches in diameter are of frequent occurrence along our 

 mountain streams. 



Union Pass, August 12, 1894 (No. 895); Centennial Hills, 

 August 16, 1895 (No. 1775). 

 Erigeron strigosus, Muhl. Willd. Sp. PI. iii, 1956 (1804). E. ramosus, 

 (Walt.) B. S. P. 



Infrequent, Union Pass, August 11, 1894 (No. 851). 

 Erigeron uniflorus, L. Sp. PI. 864 (1753). 



This, with us, alpine form varies greatly as to size and hirsute- 

 ness. 



Specimens from Teton Mountains, August 22, 1894 (No. 969), 

 are only 1-2 inches high, the involucre hirsute with sparse light 



