FABACEAE. 199 



3. Lupinus plattensis S. Wats. On hillsides in western Neb., Wyo. and 

 Colo. — Alt. 5000-8000 ft. — Walsenburg; Denver; La Veta; butte five miles 

 southwest of La Veta. 



4. Lupinus rubricaulis Greene. Hills in Colo. — Alt. about 9000 ft. — Custer 

 Butte. 



5. Lupiniis alpestris A. Nels. (L. alsophilus Greene.) In mountain val- 

 leys from Mont, to Colo, and Utah. — Alt. 8000-11,000 ft.^North fork of 

 Cache la Poudre; divide above Steamboat Springs; Grizzly Creek; Little 

 Veta Mountain; Four-Mile Hill; North Park; Buffalo Pass; mountains 

 above Ouray; summit of North Park Range, Routt Co. 



6. Lupinus parviflorus Nutt. In open woods, on hillsides, among bushes, 

 S. D. and Mont, to Colo, and Utah.— Alt. 8000-12,000 ft. — Near Empire; 

 Red Mountain road, south of Ouray; Pearl; North Park, near Teller; 

 Berthoud Pass ; Breckenridge. 



7. Lupinus floribundus Greene. In the mountains of Colo. — Upper Bear 

 Creek. 



8. Lupinus myrianthus Greene. In the mountains of Colo. — Alt. 8000- 

 9000 ft. — Pitkin ; Parlin, Gunnison Co. ; Jack's Cabin. 



9. Lupinus comatus Rydb. In the mountains of Colo. — Alt. about 8000 

 ft. — Lake City; Chicken Creek, La Plata Mountains; Gunnison Co. 



10. Lupinus argophyllus (A. Gray) Cockerell. (L. decumbens argophyllus 

 A. Gray ; L. Helleri Greene ; L. aduncus Greene) Valleys and river banks 

 from Neb. and Colo, to N. M. — Alt. 4000-9000 ft. — Durango; Sangre de 

 Cristo Creek; Grayback mining camps and Placer Gulch; Mancos; Mesa 

 Verde; Colorado Springs; Antonito; bank of Conejos River. 



11. Lupinus tenellus Nutt. In the mountains from Mont, to Colo, and 

 Calif. — Estes Park; Mt. Harvard; Middle Park; Twin Lakes; Kremmling. 



12. Lupinus decumbens Torr. (L. argenteus decumbens A. Gray; L. lep- 

 tostachys Greene) On prairies and hillsides from Neb., Mont, and Ore. to 

 Colo, and Calif. — Alt. 4000-9000 ft — Boulder ; Douglass Co. ; foot-hills, 

 Larimer Co.; Colorado Springs; Wahatoya Creek; La Veta; Mosquito Pass; 

 Moon's ranch ; Victoria ; Veta Mountain ; North Park ; Trail Creek ; Rist 

 Caiion; Sapinero; New Windsor; Bosworth's ranch; Pennock's mountain 

 ranch ; Horsetooth Mountain ; Callaway ; Redcliffe. 



Lupinus decumbens argentatus Rydb. Leaflets broader than in the type and 

 not conduplicate. On prairies and hillsides in Wyo. and Colo. — Alt. 5000-9000 

 ft. — High mountains, Larimer Co. ; between Sunshine and Ward ; foot-hills 

 near Boulder. 



13. Lupinus argenteus Pursh. On prairies from Mont, to Colo. — Glen- 

 wood Springs. 



14. Lupinus oreophilus Greene. In the mountains from Wyo. to Utah and 

 Colo.^West Cliff ; Cimarron ; Steamboat Springs ; Meeker ; Rio Blanco Co. 



15. Lupinus humicola A. Nels. In rich soil in Colo, and Wyo. — Near 

 Ironton, San Juan Co. 



16. Lupinus sericeus Pursh. On prairies from Ass. and Wash, to Wyo. 

 and Nev. A doubtful specimen has been collected in Colo. — Minturn. 



17. Lupinus Bakeri Greene. In the mountains of Colo. — Alt. 7000-8500 

 ft. — Hesperus; Los Pinos (Bayfield); Cedar Edge. 



