VIOLACEAE. 233 



I. Viola plustris L. Wet soil, Lab. and Alaska to N. Y. and Colo. — Alt. 

 8500-10,000 ft. — Grayback mining camps; Beaver Creek; banks of Michigan 

 River; Eldora to Baltimore. 



•z. Viola blanda Willd. Swamps and wet meadows, Newf. and B. C. to N. 

 C. and Utah. — Alt. 8000-10,000 ft. — Caribou ; headwaters of Clear Creek ; 

 Columbine. 



3. Viola Macloskeyi F. E. Lloyd. Subalpine situations, Mont, and Ore. to 

 Colo, and Calif. — Alt. about 9000 ft.— North Park, Larimer Co. 



4. Viola LeConteana G. Don. (V. blanda amoena LeConte) Moist wood- 

 lands, N. S. and Ida. to N. C. and Colo. — Alt. about 9000 ft. — Chicken Creek. 



5. Viola pedatifida G. Don. Prairies, 111. to B. C. and Ariz. — Alt. about 

 8000 ft. — Wahatoya Canon. 



6. Viola retusa Greene. Woodlands and meadows, S. D. to Kans. and Colo. 

 — Alt. about sooo ft. — New Windsor ; Ft. Collins ; Timnath, Larimer Co. 



7. Viola cognata Greene. Wet meadows. Alb. and S. D. to N. M., Ariz., 

 Utah and Calif. — Alt 5000-10,000 ft. — Bob Creek, West La Plata Mountains; 

 headwaters of Sangre de Cristo Creek ; mountain near Veta Pass ; West 

 Indian Creek ; Cucharas Valley near La Veta ; Timnath, Larimer Co. ; Lake 

 City; Ft. Collins; plains and foot-hills near Boulder. 



8. Viola nephrophylla Greene. Meadows and thickets, Ida. and Wyo. to 

 Colo., Ariz, and Nev. — Los Pinos. 



9. Viola Sheltonii Torr. Western Colo, to Calif — Alt. 8000-gooo ft. — ^^Grand 

 Mesa; Cerro Summit. 



10. Viola Nuttallii Pursh. Prairies, plains and foot-hills, Man. and Mont, 

 to Mo., N. M. and Ariz. — Alt. 4000-9000 ft. — Walsenburg; southeast of La 

 Veta ; Cucaras Valley and river near La Veta ; Ft. Collins ; southwest of La 

 Veta ; Rist Caiion, Larimer Co. ; New Windsor, Weld Co. ; plains near Den- 

 ver; Grand Mesa; plains and foot-hills near Boulder. 



II. Viola linguaefolia Nutt. {V. vallicola A. Nels. ; V. physalodes Greene) 

 Foot-hills and mountains, N. D. and Mont, to Colo, and Utah. — Alt. up to 

 7000 ft. — Between Meeker and Craig; mountains east of Steamboat Springs; 

 Minturn, Eagle Co. ; Cimarron ; Dixon Creek ; Trinidad. 



12. Viola biflora L. Mountains of Colo.; also in Europe and Asia. — Alt. 

 8000-10,000 ft. — Jack Brook; headwaters of Clear Creek and alpine ridges 

 east of Middle Park; Argentine Pass; Eldora to Baltimore. 



13. Viola canadensis L. The typical V. canadensis of the east is repre- 

 sented in Colorado by the following subspecies : 



Viola canadensis Bydbergii (Greene) House. {V. Rydbergii Greene) 

 Radical leaves subreniform, as broad as long or broader, on elongated petioles ; 

 pubescent at least on the veins beneath. Rocky Mountains, Alb. and Ida. 

 to S. D. and Colo. — Alt. 5000-9000 ft. — Ouray; Van Boxle's ranch above Ci- 

 marron; near Pagosa Peak; Mancos; Steamboat Springs; gulch of Bear 

 River, Routt Co. ; Cucharas Valley, near La Veta ; Ft. Collins ; Apex ; Villa 

 Grove ; foot-hills, Larimer Co. ; Rico ; Boulder. 



Viola canadensis neo-mexicana (Greene) House. {V. neo-mexicana Greene) 

 Southern Colo, and N. M. — Alt. 7500-12,000 ft. — Idaho Springs; Wahatoya 

 Caiion; Mt. Abram; about Ouray; Rico; Eldora to Baltimore. 



