94 SALICACEAE. 



senburg; Cucharas river, below La Veta; mesas near Pueblo; Fort Collins; 

 near Boulder; gfulch west of Pennock's mountain ranch; Trinidad; La Porte. 



3. Salix Fendleriana Anders. (S. pentandra caudata Nutt. ; 5". lasiandra 

 Fendlei9bna Bebb.) Wet mountain valleys and along streams from Alb. to 

 B. C, N. M. and Calif. — Alt. 7000-10,000 ft. — New Windsor; Gunnison; on 

 Turkey Creek and tributaries ; Los Pinos ; along the Uncompahgre River, 

 near Ouray; Ojo; Mancos; Cimarron; Fort Collins; along the Conejos 

 River, north of Antonito ; Trail Creek ; Steamboat Springs. 



4. Salix exigua Nutt. On river-banks from Mackenzie River to Wash., 

 Colo, and Calif. — Alt. 5000-10,000 ft. — Plains, Colorado Springs ; Twin Lakes ; 

 North Park; Los Pinos; Trinidad. 



5. Salix luteosericea Rydb. On sandy river-ba!-s from Neb. to Mont., Ida. 

 and Colo. — Alt. 4000-6000 ft. — Fort Collins ; plains, Larimer Co. ; Walsen- 

 burg ; Sterling, Logan Co. ; near Boulder ; Elizabethtown ; Denver ; Walton 

 Creek; along the Conejos River, north of Antonito; Rist Canon; Dolores. 



6. Salix stenophylla Rydb. Along streams from Tex. to Colo, and N. M. 

 — Alt. 4000-8000 ft. — Mancos; Cucharas River, below La Veta; Walsenburg; 

 Gunnison; Cerro Summit. 



7. Salix linearifolia Rydb. (S. longifoUa tenerrima Henders.) Along 

 streams from Minn, and Sask. to Wash., Ark. and Colo. — Exact locality not 

 given. 



8. Salix sessiliflora Nutt. Along streams from Alb. to Mont., Colo, and 

 Nev. — Alt. 4000-8000 fl. — Grand Caiion; along Uncompahgre River, near 

 Ouray ; Grand Junction ; Cerro Summit. 



g. Salix argophylla Nutt. Along streams from Mont, to Wash., Tex. and 

 Calif. — Alt. about 5000 ft. — Fort Collins; Rist Canon. 



10. Salix cordata angustata (Pursh) Anders. In river-valleys from N. B. 

 to Wash., Va. and N. M. — Alt. 4000-10,000 ft. — Los Pinos; Walsenburg; 

 Cucharas River, below La Veta; on Turkey Creek and tributaries. 



11. Salix Watsoni (Bebb.) Rydb. {S. cordata Watsoni Bebb.; 5". -flava 

 Rydb. ; not Schoepf.) In river-valleys from Mont, to Calif, and Colo. — ^Alt. 

 6000-7000 ft. — Manitou; South Park; Middle Park; Walsenburg; Cucharas 

 Valley, near La Veta. 



12. Salix padophylla Rydb. In valleys from Mont, to N. M. — Alt. 8000- 

 11,000 ft. — Los Pinos; Pass Creek; Ojo; Bob Creek, West La Plata Moun- 

 tains; North Park; on Turkey Creek and tributaries; Gunnison; Carson; 

 Silverton; near Chambers' Lake; Dolores. 



13. Salix pseudocordata Anders. {S. Novae-Angliae pseudocordata 

 Anders.) Along streams from Sask. to Alb. and Colo. — Alt. 6000-7000 ft. 

 — Manitou; North Park; South Cheyenne Caiion. 



14. Salix monticola Bebb. In mountain valleys from Alb. to Ore., Colo, 

 and Nev. — -Alt. 2200-3000 ft. — Pike's Peak; Lake City; Georgetown; head- 

 waters of Sangre de Cristo Creek; North Cheyenne Caiion; Chamber's Lake; 

 Sheep Creek, above Campton's. 



15. Salix Wolfii Bebb. In mountain valleys of Wyoming and Colo. — Alt. 

 8000-10,500 ft. — South Park; Tennessee Pass; on Grizzly Creek; Ironton 

 Park, nine miles south of Ouray; North Park; Rico; Eldora to Baltimore; 

 Camp Creek, Larimer Co. 



