438 MINNESOTA BOTANICAL STUDIES. 



9. D. viride WATS. Proc. Am. Acad. 23: 268. 1888. 



Root rather thick, branching : plant glaucous, about 2 feet 

 high ; stems glabrous : leaves pubescent, with segments acutely 

 lobed, upper ones more deeply divided and segments narrower: 

 racemes open, few-flowered ; pedicels i to 2 inches long, gla- 

 brous or somewhat pubescent; sepals yellowish green, much 

 shorter than the stout spur ; petals purple, shorter than the se- 

 pals, lower ones entire or cleft, villous : follicles 3, not spread- 

 ing, very finely pubescent ; seeds large, coats dark, wrinkled 

 and somewhat winged at the ends. Gravelly bluffs, east base 

 of Sierra Madre, Chihuahua, Mex. (f). 



10. D. bicolor NUTT. Journ. Acad. Phila. 7: 10. 1834. 

 D. Menziesii GRAY, Proc. Acad. Phila. 1863: 57. Not 



DC. 



D. Menziesii var. Utahense WATS. Bot. King Exp. 12. 

 1871. 



Erect, rather stout, ^ to i foot high, from fascicled roots : 

 leaves small, thick, deeply parted, and divisions cleft except 

 perhaps in the upper leaves, segments linear : obtuse raceme 

 rather few-flowered ; the lower pedicels ascending i to 2 inches : 

 spur and sepals nearly equal, ^ inch long or more, blue ; up- 

 per petals pale yellow or white, blue veined ; lower petals blue : 

 follicles glabrous or becoming so. May to Aug. Dry woods. 

 Colorado, west and north to Alaska. 



Var. Montanense RYDB. Mem. N. Y. Bot. Gard. i : 157. 

 1900. 



Plant glandular-pilose ; leaves thicker than in the type. Re- 

 gion of Helena and southward into Yellowstone Park (f). 



Var. Nelsonii n. var. D. Nelsoni GREENE, Pitt. 3 : 92. 1896. 



Roots sometimes slightly fascicled-tuberiform : lowest leaves 

 long-petioled : seeds winged as in the type. Southern Wyom- 

 ing to middle Colorado (f). 



Var. cognatum n. var. 



D. cognatum GREENE, Pitt. 3: 14. 1896. 



Much like the type but the root leaves with very broad seg- 

 ments, plant glabrescent, or hairy on the flowers : sepals nar- 

 rower than the type, spurs often markedly incurved : follicles 

 3, glabrous. It is also much like D. Andersonii, but has some 

 stem leaves, and the flowers are different. Western Humboldt 

 Mts., Nevada (f). 



