406 CICHORIACEAE. 



g. Crepis acuminata Nutt. On hillsides from Mont, and Wash, to Colo, 

 and Calif. — Alt. 7000-8000 ft. — Van Boxle's ranch, above Cimarron; Middle 

 Park; near Manitou; Deadman Caiion; Mancos. 



10. Crepis intermedia A. Gray. On hillsides from Mont, and Wash, to 

 Colo, and Calif.— Alt. about 7000 ft.— Big Creek Gulch, Routt Co.; Ragged 

 Mountain, Gunnison Co. ; Mancos ; Cedar Edge. 



11. Crepis angustata Rydb. On hillsides from Mont, and Wash, to Colo, 

 and Oregon. — Alt. about 8000 ft.— North Park; Howe's Gulch. 



12. Crepis pumila Rydb. On hillsides from Mont. a«d Ida. to Colo, and 

 Calif. — Soda Springs. 



13. Crepis occidentalis Nutt. On plains and hillsides from Mont, and Wash, 

 to Colo, and Calif. — Alt. 5000-8000 ft. — Denver; Dolores; Thompson's Park, 

 east of Mancos ; Boulder ; McCoy's, Eagle Co. ; Mancos. 



14. Crepis scopulorum Coville. In the mountains from Mont, to Colo, and 

 Utah. — Alt. about 8000 ft. — Cerro Summit. 



15. Crepis nana Richardson. Arctic-alpine localities from Lab. to Colo., 

 Calif, and Alaska. — Mt. Lincoln. 



II. HIEEACIUM L. Hawk-weed. 



Achenes cylindrical. 

 Flowers yellow. 



Plant 4-10 dm. high, leafy. i. H. cynosuroides. 



Plant low, 1-3 dm. high, with 1-3 stem-leaves and a few heads. 



■z, H. gracilis. 



Flowers white or ochroleucous. 3. H. albiflorum. 



Achenes tapering gradually upwards. 4. H. Fendleri. 



1. Hieracium cynosuroides Arvet. On hillsides and in valleys from Mont, 

 and B. C. to Colo. — Breckenridge. 



2. Hieracium gracile Hook. In the mountains from Mont, and Alaska to 

 Colo, and Calif., especially along streams. — Alt. 9000-12,000 ft. — Cameron 

 Pass ; Chambers' Lake ; Caribou ; Silver Plume ; high mountains about Em- 

 pire; Gray's Peak; Marshall Pass; Berthoud Pass; above Beaver Creek; 

 bank of Michigan; headwaters of Clear Creek; Anita Peak. 



3. Hieracium albiflorum Hook. Open woods from Yukon to Colo, and 

 Calif. — Alt. 8000-10,000 ft. — Keblar Pass ; Continental Divide, Routt Co. ; 

 Steamboat Springs ; Mt. Harvard ; Cameron Pass ; mountain between Sun- 

 shine and Ward; Buffalo Pass; mountains near Empire; Fish Creek Falls. 



4. Hieracium Fendleri Schultz Bip. In woods from the Black Hills of S. D. 

 to N. M. and Ariz. — Alt. 6000-10,000 ft. — Soldier Canon; Horsetooth Moun- 

 tain; Upper La Plata River; headwaters of Pass Creek; foot-hills, Larimer 

 Co. ; mountain above Little South ; headwaters of Clear Creek. 



12. NOTHOCALAIS Greene. 



I. Nothocalais cuspidata (Pursh) Greene. (Troximon cuspidatum Pursh) 

 On prairies from Ills, and S. D. to Mo. and Colo. — Alt. 4000-8000 ft. — Trini- 

 dad ; Howe's Gulch ; foot-hills, Larimer Co. ; hills southeast of La Veta ; 

 plains near Denver; South Cheyenne Cation; New Windsor; Horsetooth 

 Gulch; Colorado City. 



