CARDUACEAE. 363 



7. Erigeron compositus Pursh. On the mountains from Mont, and Yukon 

 to Colo, and Wash. Alt. 8000-9000 ft. Mountains between Sunshine and 

 Ward. 



8. Erigeron multifidus Rydb. On the higher mountains from Ass. and 

 B. C. to Colo, and Calif. Alt. 5000-12,500 ft. Headwaters of Clear Creek; 

 Hinsdale Co.; West Indian Creek; west of Ft. Collins; Calhan; foot-hills, 

 Larimer Co.; Marshall Pass; Sierra Blanca; Mt. Abram; Ouray; Pike's 

 Peak; Stove Prairie; Eldora to Baltimore; Rist Canon; Barnes' Camp; 

 gulch east of Stove Prairie; Beaver Creek; Spicer. 



9. Erigeron trifidus Hook. On high mountains from Alb. and B. C. to 

 Colo. Table Rock; Spicer, Larimer Co. 



10. Erigeron melanocephalus A. Nels. (E. oreocharis Greene) On high 

 mountains of Wyo. and Colo. Alt. 11,000-12,000 ft. Massif de TArapahoe; 

 Caribou; headwaters of Clear Creek; Little Kate Mine, La Plata Mountains; 

 near Pagosa Peak ; Sierra Blanca ; Mt. Harvard ; Cameron Pass ; Berthoud 

 Pass; Argentine Pass; summit of North Park Range, Routt Co. 



11. Erigeron uniflorus L. (E. simplex Greene) In arctic regions and on 

 the higher peaks from Mont, to Colo, and Calif. Alt. 10,000-13,000 ft. 

 Mt. McClellan, near Gray's Peak; West Spanish Peak; Bottomless Pit, Pike's 

 Peak ; Gray's Peak ; above Cameron Pass ; Marshall Pass ; Seven Lakes ; 

 South Park; Alpine Tunnel; mountain northeast of Boreas. 



12. Erigeron leucotrichus Rydb. On the higher mountains of Wyo. and 

 Colo. Alt. 9000-12,000 ft. Caribou; headwaters of Clear Creek; Pike's Peak 

 Valley; Cameron Pass; Seven Lakes; Graymont; Berthoud Pass; Beaver 

 Creek. 



13. Erigeron leiomeris A. Gray. (E. spathulifolius Rydb.) On alpine peaks 

 from Wyo. to N. M. and Utah. Alt. 10,000-12,000 ft. Mt. Kelso; near 

 Gray's Peak ; Lake City ; Redcliffe, Eagle Co. ; mountains above Cameron 

 Pass; Gray's Peak; Little Kate Mine, La Plata Mountains; Ragged Moun- 

 tain, Gunnison Co.; Four-Mile Hill, Routt Co.; Hahn's Peak; Rabbit-Ears, 

 Larimer Co. 



14. Erigeron glandulosus Porter. On the mountains of Wyo. and Colo. 

 Alt. 6000-12,500 ft. Hinsdale Co. ; South Park ; Alpine Tunnel ; Georgetown ; 

 southeast of La Veta; east slope of Pike's Peak; Manitou; Garden of the 

 Gods; near Colorado Springs; Palmer Lake; Cheyenne Canon; Lake City; 

 Empire; Colorado City. 



15. Erigeron ursinus D. C. Eaton. On the mountains from Mont, and Ida. 

 to Colo, and Utah. Alt. 8000-10,000 ft. Continental Divide, Routt Co.; 

 Columbine; summit of North Park Range, Larimer Co.; Rabbit- Ears, Lari- 

 mer Co. 



1 6. Erigeron Peasei Rydb. In alpine regions of Colo. Lake City. 



17. Erigeron vetensis Rydb. On high, dry mountains of southern Colo. 

 Alt. 8000-10,000 ft. Mountain near Veta Pass; Ojo; West Spanish Peak; 

 Veta Mountain ; North Cheyenne Canon. 



1 8. Erigeron nematophyllus Rydb. On rocky hills of Colo, and Wyo. 

 Near Dale Creek, Larimer Co. 



19. Erigeron pumilus Nutt. On the plains from N. D. and Wash, to Kans. 

 and Utah. Alt. 4000-7000 ft. Moon's ranch; Cucharas River, La Veta; Ft. 

 Collins; Antonito; New Windsor; Mancos; Palisades; Gypsum; Quimby; 

 Wray. 



