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 ; v 

 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 1' Arapahoe; 

 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. spathulif alius 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 ; Redclifife, 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 Cation ; 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. 



16. 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 Carion. 



18. 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. 



