138 RANUNCULACEAE. 



Plant tall, 4-20 dm. hish, not cespitose. 

 Follicles viscid pubescent. 



Flowers li>;ht blue or yellowish, tinned with blue or purple. 



14. D. multifloruvi. 

 Flowers dark blue. 15. D. occidentale. 



Follicles glabrous. 



Sepals obtuse. 16. D. reticulatum. 



Sepals acute or acuminate. i7- D. Barbeyi. 



Plants about i dm. high, cespitose, viscid pubescent. 



18. D. alpestre. 



1. Delphinium Penardii Hiith. On dry plains of Colo. — Alt. 5000-8000 ft. — 

 Horsetootli (iulcli; bank of Arkansas River; Poudre flats, north of Ft. Col- 

 lins; Ft. Collins; Dixon Caiion ; near Badito; Wahatoya Creek; Brantly 

 Canon, Las Animas Co. 



2. Delphinium camporum Greene. On dry plains from Colo, to Tex. and 

 Ariz. — Alt. 4000-8000 ft. — Plains and foot-hills near Boulder; New Windsor; 

 near Badito; Walsenburg. 



3. Delphinium albescens Rydb. In meadows from Ills, to Man., Ind. Terr, 

 and Colo. — Alt. 4000-5000 ft. — Ft. Collins. 



4. Delphinium bicolor Nutt. Hills and plains from Ass. and Wash, to S. D., 

 Utah and Ore. — Also reported from Colorado ; but doubtful. 



5. Delphinium Nelsonii Greene. On hillsides from Alb. to Wash., Neb. 

 and Utah. — Alt. 4000-10,000 ft. — Four-Mile Hill, Routt Co. ; hills west of 

 Soldier Cafion ; Horsetooth Gulch ; Dolores ; Ouray ; Howe's Gulch ; Rist 

 Canon ; Spring Caiion ; Table Rock ; Grand Junction ; Wyoming State line ; 

 Minturn, Eagle Co.; Ft. Collins; foot-hills, Larimer Co.; Chicken Creek; 

 Los Pinos ; Van Boxle's ranch, above Cimarron ; foot-hills west of Ft. Col- 

 lins; Mesa Verde; Cerro Summit; Ironton; Apex; near Boulder; Steamboat 

 Springs ; Beaver Creek, Larimer Co. 



6. Delphinium dumetorum Greene. In the mountains of Colo. — Alt. about 

 7000 ft.^ — Cimarron. 



7. Delphinium scaposum Greene. On dry plains from Colo, to N. M. and 

 Ariz. — Alt. about 7000 ft. — Mancos. 



8. Delphinium geraniifolium Rydb. On hills from Colo, and Ariz. — Colo- 

 rado Springs. 



9. Delphinium Geyeri Greene. On the plains from Wyo. to Colo. — Alt. 

 5000-7000 ft. — Foot-hills, Larimer Co. ; Rist Cafion ; Horsetooth Gulch ; hills 

 south of Horsetooth Mountain ; plains near Ft. Collins ; Livennore, Larimer 

 Co. ; New Windsor. 



10. Delphinium cuculatum A. Nels. On mountain sides from Mont, and 

 Ida. to Colo.— Alt. about 9000 ft.— Four-Mile Hill, Routt Co. 



11. Delphinium robustum Rydb. In mountain meadows from Mont, to N. 

 Isl. — Alt. 6000-9000 ft. — -Wahatoya Creek ; La Veta ; Colorado Springs ; In- 

 dian Creek Pass; foot-hills, Larimer Co. 



12. Delphinium elongatum Rydb. On hills and mountains of Colo. — Alt. 

 7000-10,000 ft. — Elk Cation; Baxter's ranch; foot-hills, Larimer Co.; Villa 

 Grove; alpine ridge east of Middle Park; headwaters of Clear Creek. 



13. Delphinium ramosum Rydb. In caiions and on mountain sides in Wyo. 

 and Colo. — Alt. 6000-9000 ft. — Crystal Park ; Williams' Canon ; Artists' Glen ; 

 North Cheyenne Canon ; Idaho Springs. 



