136 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. Eastu'oodiae. 

 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. thalictri folia. 



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 CristS 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; 



