267 Rvdberg: Studies on the Rocky Mouxtaix Flora 



shining, brownish black with a h'ghter midrib, lanceolate, acute, 

 3—4 mm. long : perigynia lanceolate, tapering gradually into 

 a long beak, with the beak about 5 mm. long, dark brown ; 

 staminate flowers at the base and mixed with the pistillate : upper 

 portion of the wings and the beak scabrous on the margins ; 

 teeth at the apex of the beak very short, subulate : styles 2 : achene 

 oblong, lenticular, nearly 2 mm. long and fully i mm. broad. 



This species is nearest related to C. /estiva and has been labeled 

 C. festiva Haydcniana, but it is not the same as the original of 

 that variety, which has broadly ovate perigynia. C. cbeiica differs 

 also from all forms of C. festiva in the form of the perigynia and 

 in the dark glossy color of the bracts and perigynia. 



Colorado: Pikes Peak, 1900, F. Clements (type); Windy 

 Point, 1900; Mt. Harvard, 1896, 7; Grecian Bend, 1896, Bot- 

 tomless Pit, and Saddle, Clements ; between Cheyenne Mountain 

 and Seven Lakes, 1896, E. A. Bessey ; Ironton, 1899, C. C. Curtis ; 

 Telluride, 1894, F. Ticeedy, ic)^ ; Chambers Lake and Cameron 

 Pass, 1896, C. F. Baker ; Clear Creek Cafion, 1878, M. E. Jones, 

 26 J ; Silver Plume, 1895, Rydberg, 2^60; Pagosa Peak, 1899, C 

 F. Baker, 233. 



Streptopus curvipes Vail sp. no v. 



Simple, glabrous, except the margins of the leaves and the 

 peduncles. Stems 1-3 dm. high, from a slender rootstock cov- 

 ered with few fibrous rootlets : leaves sessile, oval or oblong- 

 lanceolate, 3—8 cm. long, acuminate at the apex, rounded and 

 slightly clasping at the base, 3-5 -nerved, the margins finely gland- 

 ular-ciliate : flowers 3-5, solitary: peduncles not geniculate, 5-15 

 mm. long, glandular-pubescent : flowers pale purple or rose- 

 colored : perianth-segments lanceolate, 5-7 mm. long, minutely 

 glandular-pubescent on the inner surface : anthers 2-beaked ; 

 beaks slender, about half the length of the anther : style 3-cleft, 

 the spreading branches stigmatic along the inner side : berry glo- 

 bose, when mature brick red, 7-9 mm. in diameter : seeds clavate, 

 3—4 mm. long, with many cross-striate ridges. 



Differs from Streptopus roscus in its simple habit and the non- 

 geniculate and much shorter peduncles. The beaks of the anthers 

 seem to be a trifle longer than in S. roseus. It is closely related to 

 5. brevipes Baker, but is larger and coarser in every respect. The 

 flowers of the latter species are not known. 



British Columbia: Asulkan Pass, alt. 4400 ft., June to July, 



