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RANUNCULACEAE. 
1. 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. 
2. Actaea arguta Nutt. In rich woods and canons 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 low. 
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 4-5 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 canons, Colo.— 
Johnston Canon, Mesa Verde. 
2. Aquilegia saximontana Rydb. ( A . brevistyla 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 Canon; 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 canons of Colo, and Utah.—Johnston 
Canon. 
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 Canon; 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 Canon; 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; Sangre de Cristo Creek; North Cheyenne Canon; Marshall Pass; Mt. 
Ouray; near Teller, North Park; Pike’s Peak; Columbine; Dark Canon; 
