First Report on the Flora of Wyoming. 131 



colored hairs. Those from the Medicine Bow Mountains, August 

 23, 1895 (No. 1772) are 4 (i inches high, stems bearing -i-ii leaves; 

 involucre densely black lanate, rays white, heads 1 inch in diam- 

 eter. I suggest the varietal name melanoceplialus for this form. 

 Erigeron ursinus, Eaton, Bot. King's Exp. 148 (1871). 



On rocky hills and ledges, 7,000-11,000 ft., successively through- 

 out the season. 



Table Mountain, June 2, 1894 (No. 144); La Plata Mines, August 

 2.3, 189.5 (No. 179.5). 

 Filago depressa, Gray, Proc. Am. Acad, xix, 3. 



Not having seen an authentic F. depressa, I give the above 

 determination with some reservation. In a gravelly hollow near 

 the Little Laramie River, Centennial Valley, August 19, 1895 (No. 

 1751). 

 Antennaria alpina, Gitrtn. Fr. & Sem. ii, 410 (1791). 



Frequent, on dry hillsides. 



Union Pass, August 11, 1894 (No. 853); Centennial Valley, June 

 9, 1895 (No. 1265), 

 Antennaria Carpathica pulcherrima, Hook. Fl. i, 329 (1834). 



Probably throughout the state, in the rich soil of thickets. 



Pole Creek, June 9, 1894 (No 110); Union Pass, August 12, 1894 

 (No. 819). 

 Antennaria dioica, Ga^rtn. 1. c. 



Of this variable species we have our full share of forms. Lara- 

 mie, Inyan Kara Divide, Wind River and Green River are places 

 from which specimens are at hand (Nos. 762 and 885). 



Antennaria dioica congesta. D C. Prodr. vi, 269. 



This is of frequent occurrence, sometimes with closely depressed 

 stems, at other times, stems several inches in length. Separable 

 from the species by the compactness of the heads. 



Laramie, June 28, 1894 (No. 291). A form with strikingly rose- 

 ate bracts probably belongs here. 

 Antennaria racemosa, Hook. Fl. Bor. Am. i, 330 (1834). 

 Rare, and but a few specimens secured. 

 Union Pass, August 11, 1894 (No. 812). 

 Anaphalis margaritacea, Benth. & Hook. Gen. PI. ii, 303 (1873). 

 Antennaria tnargaritacea, (L.) Hook. 



In deeply shaded copses at the foot of mountains. 



