[Vor. 3 
100 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
Cape Nome, coll. of 1890, Blaisdell (Gray Herb.) ; vieinity of 
Nome, Powers 6 (Field Mus. Herb.) ; Cape Vancouver, 9 Aug., 
1891, Macoun (Geol. Surv. Canada Herb., Gray Herb., and Mo. 
Bot. Gard. Herb.); Kuskokwim Valley, coll. of 1884, Weim- 
mann (Gray Herb.), branched form; Unga and Shumagin 
Islands, (7. 5. Coast Survey, 1871-72, Harrington (Gray Herb., 
Phil. Acad. Nat. Sci. Herb., and Mo. Bot. Gard. Herb.). 
Var. columbiensis Gray, Syn. Fl. N. Am. 17:390. 1884, and ed. 
2, 1886; Macoun, Cat. Canadian РІ. 267. 1884. 
S. hyperborealis var. columbiensis (Gray) Greenm. Monogr. 
Senecio, I. Teil, 24. 1901, and in Engl. Bot. Jahrb. 32:20. 1902; 
Ann. Mo. Bot. Gard. 1:264. 1914. 
Stems about 2 dm. high, one to several from a common base; 
heads subdiseoid, namely, with inconspicuous ray-flowers 
shorter than the bracts of the involucre., 
Distribution: British Columbia. 
Specimen examined : 
British Columbia: Mucklung River, 25 July, 1882, Mackay 
(Gray Herb.), TYPE. 
40. 8. ovinus Greene, Pittonia 4:110. 1900; Blankenship, 
Mont. Agr. Coll. Sei. Studies 1:103. 1904. 
S. resedifolius Rydb. Mem. N. Y. Bot. Gard. 1:447. 1900, 
not Less. 
A low herbaceous perennial, glabrous or somewhat tawny, 
floccose-tomentulose in ће axils of the leaves; stems one to 
several from an ascending stoutish rootstock, .5 to 2 dm. 
high, erect or nearly so; lower leaves broadly ovate to obovate, 
occasionally sublyrate, including the petiole 1 to 6 em. long, 
the blade .5 to 3 em. long, .3 to 2.5 em. broad, subentire to 
erenate-dentate, glabrous, thickish in texture; upper leaves 
sessile, laciniate to entire; heads usually solitary, occasionally 
two, 8 to 10 mm. high, radiate; involucre companulate, spar- 
ingly ealyeulate; bracts of the involuere about 21, linear- 
lanceolate, acuminate, acute, 7 to 8 mm. long, often purplish; 
ray-flowers 13 to 21, rays yellow; disk-flowers numerous; 
achenes glabrous. 
Distribution: mountains of Alberta to Wyoming. 
