136 RANUNCULACEAE. 



I. Actaea eburnea Rydb. In rich woods and canons from Newf. to Alb., 

 Vt. and Utah. — Alt. 8000-10,000 ft. — Mancos; Ouray; Ragged Mountain, Gun- 

 nison Co. 



■J.. Actaea arguta Nutt. In rich woods and caiions from Mont, to Alaska, 

 Colo, and Calif. — Alt. 8000-10,000 ft. — Mountains above Ouray; Wahatoya 

 Canon; Black Canon; Veta Pass; Artists' Glen; near Pike's Peak. 



3. Actaea viridiflora Greene. In canons from Colo, to Ariz. — Alt. about 

 8000 ft. — Four-Mile Hill, Routt Co. ; hills west of Ouray ; Trapper's Lake. 



4. AQUILEGIA L. Columbine. 



Petals merely saccate, not spurred ; terminal leaflet rhombic, acute. 



1. A. Eastwoodiae, 

 Petals spurred ; all leaflets obtuse. 



Lamina of the petals longer than the strongly curved spur ; flowers blue ; stem lowr. 



2. A. saximontana. 

 Lamina of the petals shorter than the slightly curved or straight spur. 



Spur not over 2 cm. long ; flowers nodding. 



Sepals and spur red. 3. A. elegantula. 



Whole flower light yellow. 4. A. micrantha. 



Spur 3-7 cm. long; flowers in anthesis usually erect. 



Basal leaves usually twice ternate; spur 3-4 cm. long; sepals blue or white. 



5. A. coerulea. 

 Basal leaves usually thrice ternate ; spurs 4-7 cm. long ; sepals yellow. 

 Spur 4-s cm. long ; sepals less than 2 cm. long, ovate-lanceolate, acute ; 

 ' follicles strongly curved outward. 6. A. thalictrifolia. 



Spur 5-7 cm. long ; sepals 2-3 cm. long, lanceolate to ovate-lanceolate, 

 acuminate ; follicles almost straight. 7. A. chrysantha. 



1. Aquilegia Eastwoodiae Rydb. {A. ecalcarata Eastw. ; A. micrantha 

 Mancosana Eastwood; A. Mancosana Cockerell) In dark caiions, Colo.— 

 Johnston Cafion, Mesa Verde. 



2. Aquilegia saximontana Rydb. {A. hrevistyla A. Gray; not Hook.) 

 Among rocks, Colo. — Alt. 10,000-12,000 ft. — Cameron Pass; Gray's Peak; 

 headwaters of Clear Creek; Bottomless Pit; Argentine Pass. 



3. Aquilegia elegantula Greene. {A. Canadensis A. Gray, in part) On 

 wooded hillsides in Colo, and N. M. — Alt. 7500-11,000 ft. — ^Rico; Silverton; 

 Marshall Pass; Slide Rock Cafion; Mancos; about Ouray; Van Boxle's 

 ranch, above Cimarron ; Minturn, Eagle Co. ; Glenwood Springs ; headwaters 

 of Sangre de Cristo Creek; mountain near Veta Pass; West Indian Creek; 

 Lake City. 



4. Aquilegia micrantha Eastw. In caiions of Colo, and Utah. — Johnston 

 Cafion. 



5. Aquilegia coerulea James. In woods and on mountain-sides from Mont, 

 to Utah and Colo. — Alt. 6500-12,000 ft. — Vicinity of Como and Como Pass, 

 above timber line; west of Rist Cation; Beaver Creek; Pennock's mountain 

 ranch; Table Rock; timber line above Graymont; Baxter's ranch; Cameron 

 Pass; Trapper's Lake; Horsetooth Gulch; Horsetooth Mountain; Poudre 

 River; Rist Caiion; Bosworth's; above Beaver Creek; forks of Poudre 

 and Big South; Empire; Mt, Hesperus, above timber line; West Spanish 

 Peak; Bob Creek; below Gray's Peak; Middle Park; mountains near Veta 

 Pass; Sangr.e de Cristo Creek; North Cheyenne Caiion; Marshall Pass; Mt. 

 Ouray; near Teller, North Park; Pike's Peak; Columbine; Dark Caiion; 



