T. Holm — Studies in the Cyj^eracece. 23 



C, oUusata Liljebl. 39°-41° (Hall and Harbour, C. C. Parry); 

 Georgetown (Patterson); South Park (J. Wolfe); Chicken 

 Creek, alt. 9,500 ft. (Baker, Earle and Trac}^) ; common in 

 dry, sandy soil near Long's Peak, alt. 8,600 ft. (the author). 



Athrochloenoe Holm. 



C. nigricans C. A. Mey. 39°-41° (Hall and Harbour, C. C. Parry) ; 



Black Lake in Thompson's Canyon on Long's Peak, alt. 



10,300 ft. and common along brooks, headwaters of Clear 



Creek, alt. 11,000 ft. (the author). 

 C.pyrenaica Wahl. 39°-41° (Hall and Harbour, C. C. Parry) ; 



mountains west of Cameron Pass (C. S. Crandall); mountains 



near Pagosa Peak, alt. 12,000 ft. (C. F. Baker); Long's Peak, 



alt. 12,000 ft., on dry rocks, and Gray's Peak, alt. 13,000 ft. 



(the author). 



Stenoccnyce Holm. 



Cmisandra^. Br. Along brooks on Gray's Peak, alt. 12,000 

 ft. (Patterson and the author). 



Splios,Tidiopliorc& Drej. 



G. scirpoidea Michx. 39°-41° (Hall and Harbour, C. C. Parrv); 

 South Park (T. C. Porter). 



G. oreocharis Holm. Common near Golden Citj" (E. L. Greene) ; 

 on dry rocks in the Aspen zone at Lamb's Ranch near Long's 

 Peak, alt. 8,600 ft. (the author). 



G. Pennsylvanica Lam. Trail Creek and Riot Canyon (C. S. 

 Crandall) ; Ute Pass (T. C. Porter) ; mountains near Central 

 City, alt. 8,500 ft. (the author). 



G. Bossii Boott. 39°-41° (Hall and Harbour, C. C. Parry) ; 

 headwaters of Beaver Creek, 50 miles W. of Ft. Collins and 

 Chamber's Lake (C. S. Crandall); common on moist mountain 

 slopes, Silverplume (P. A. Rydberg and C. L. Shear) ; Little 

 Kate Mine, alt. 11,500 ft. (Baker, Earle and Tracy) ; in the 

 Spruce zone on mountains near Pagosa Peak, alt. 11,500 ft, 

 (C. F. Baker) ; under Spruce on Mt. Massive, alt. 11,000 ft. 

 and headwaters of Clear Creek, alt. 11,000 ft. (the author). 



G. iimbellata Schk. var. hrevirostris Boott. Xear Golden Citv 

 (E. L. Greene). 



Spirostachyce Drej. 

 G. viridtda Michx. Hamor's Lake (Baker, Earle and Tracy). 

 Trichocaipce Holm. 



G. lanuginosa Michx. South Park (W. M. Canby) ; L^te Pass 

 (T. C. Porter) ; Canyon City (T. S. Brandegee) ; Campton's 

 Ranch (C. S. Crandall) ; Durango, alt. 6,500 ft. (Baker, Earle 

 and Tracy) ; Pagosa spring and wet places, Gunnison (C. F. 

 Baker) ; along creeks in Estes Park (the author). 



G. aristata R. Br. River-bank near Ft. Collins, alt. 5,000 ft. (C. 

 S. Crandall). 



