CYPERACEAE. 73 



Blanca ; Mt. Harvard ; Gray's Peak ; Cameron Pass ; Telluride ; Pagosa Peak ; 

 Long's Peak; lat. 39°-4i°. 



53. Carez xnisandra R. Br. In arctic and alpine regions from 'Lab. to 

 Alaska and Colo. ; also in Europe and Asia. — Alt. about 12,000 ft. — Gray's 

 Peak. 



54. Carez rupestris All. In alpine and arctic regions from Greenl. to 

 Alaska and Colo. — Alt. 11,500-13,000 ft. — Pike's Peak; Cumberland Mines; 

 Gray's Peak; James' Peak; Mt. Elbert; Long's Peak; Floral Mountain; 

 lat. 39°-4i° 



55. Carez obtusata Lilj. On dry hills and prairies from Newf. and B. C. 

 to Colo. — Alt. 8000-10,000 ft. — Ruxton Dell; Georgetown; Chicken Creek, 

 west of Mt. Hesperus; South Park; Long's Peak; lat. 39°-4i°. 



56. Carez'filifolia Nutt. On dry plains from Man. to B. C, Neb., Colo, 

 and Calif. — Alt. 4000-10,000 ft. — Lat. 39°-4i° ; Ute Pass; Table Rock; Silver 

 Plume. 



57. Carex elynoides Holm. Mountains of Colo. — Alt. 11,500-13,000 ft. — 

 Alpine Tunnel ; near Pagosa Peak ; Mt. Princeton, Chaffee Co. ; Mt. Mas- 

 sive and Mt. Kelso. 



58. Carex scirpoidea Michx. In rocky soil from Greenl. to Alaska, Mass. 

 and Calif. — San Juan Co.; South Park; lat. 39°-4l°. 



59. Carex oreocharis Holm. Mountains of Colo. — Alt. about 8500 ft. — 

 Lamb's ranch, near Long's Peak. 



60. Carex pennsylvanica Lam. In dry soil from N. B. to Alb., N. C. and 

 Colo. In the state only represented by var. vespertina Bailey. — ^Alt. 5000- 

 8500 ft. — New Windsor; Colorado Springs; foot-hills, Larimer Co.; Ft. Col- 

 lins; headwaters of Pass Creek; Como; vicinity of Horsetooth; Trail Creek 

 and Rist Canon; Ute Pass; mountains near Central City; Dixon Canon; 

 Horsetooth Gulch. 



61. Carex Rossii Boott. Mountains from Alb. and B. C. to Colo. — Alt. 

 6000-11,500 ft. — Middle Park; Chambers' Lake; Cameron Pass; Little Kate 

 Mine, La Plata Mountains; Silver Plume; near Pagosa Peak; Colorado 

 Springs; Twin Lakes; headwaters of Beaver Creek; Mt. Massive; head- 

 waters of Clear Creek. 



62. Carex umbellata Schkur. In dry soil from N. Sc. to Ore., N. J. and 

 Colo. In the state represented by var. brevirostris Boott. — Alt. about 6000 

 ft. — Near Golden City. 



63. Carex lanuginosa Michx. In swamps and wet meadows from N. Sc. 

 to B. C, N. J., N. M. and Calif. — Alt. 4000-8500 ft. — Gunnison ; Twin Lakes ; 

 Windsor ; Turkey Creek and tributaries ; mountains in Larimer Co. ; Du- 

 rango; swales, Ute Pass; Canon City; Campton's ranch; Pagosa Spring; 

 Estes Park. 



64. Carex aristata R. Br. In bogs from Ont. to Ore., N. Y. and Utah.— 

 Alt. 4000-6000 ft. — Saguache Creek; river bank, near Fort Collins. 



65. Carex Backii Boott. In woods and thickets from Ont. to Man., N. Y. 

 and Colo. — Alt. up to 5500 ft. — Ft. Collins; lat. 39°-4i°. 



66. Carex longirostris Torn On banks and in moist thickets from N. B. 

 to N. W. Terr., Pa. and Colo. In the state represented by var. minor Boott. 

 — Gulch west of Pennocks and south of Rist Canon; lat. 39°-4i''. 



