1916] 
GREENMAN—MONOGRAPH OF SENECIO 101 
Specimens examined: 
Alberta: high slopes of Sheep Mountain, Waterton Lake, 
29 July, 1895, Macoun 11619 (Geol. Surv. Canada Herb., Gray 
Herb., photograph in Field Mus. Herb. and Mo. Bot. Gard. 
Herb.), TYPE. 
British Columbia: near the western summit of North 
Kootenai Pass, 26 July, 1883, Dawson (Geol. Surv. Canada 
Herb. 14826 in part, and Greene Herb.). | 
Montana: McDonalds Peak, Mission Range, alt. 2440 m., 19 
July, 1883, Canby 36 (Gray Herb.); Stanton Lake, 1 Aug., 
1894, Williams 1022 (Gray Herb., U. S. Nat. Herb., and Mont. 
Agr. Coll. Herb.); Mt. Hyalite, alt. 3000 m., 1 Aug., 1902, 
Blankenship (Gray Herb.); Sperry Glacier, 1 Sept. 1903, 
Umbach 798 (Field Mus. Herb.) ; Sperry Glacier, alt. 2440 m., 
1 Sept., 1903, Blankenship (Gray Herb.); MacDougal Park, 
Flathead Lake and vicinity, 31 July, 1908, Clemens (Field 
Mus. Herb. and Mo. Bot. Gard. Herb.); Glacier National 
Park, 11 July, 1914, Hitchcock 11962 (U. S, Nat. Herb.). 
Wyoming: Wind River Mountains, alt. 2700-3000 m., 
“С.В.” (Gray Herb.). 
41. 8. conterminus Greenm. nom. nov. 
S. Lyallii Klatt in Annal. Naturhist. Hofm. Wein 9:365. 
1894, not Hook. f.; Greenm. Monogr. Senecio, I. Teil, 24. 1901, 
and in Engl. Bot. Jahrb. 32:20. 1902. 
A low depressed somewhat cespitose herbaceous peren- 
nial, conspicuously white-floccose tomentose at the base and 
in the axils of the leaves; stems erect or nearly so, 4 to 8 cm. 
high from a stout rootstock; leaves thickish, the lower ovate- 
rotund to oblong-spatulate or occasionally sublyrate, crenate- 
dentate to obtusely lobed, including the petiole 1 to 3 em. long, 
1 em. or less broad; stem-leaves sessile, laciniate, the upper- 
most reduced to entire purplish-tipped bracts; heads usually 
solitary, 10 to 14 mm. high, radiate; involucre campanulate, 
ealyeulate, floccose-tomentulose at the base, glabrous above; 
bracts of the involucre about 21, linear-lanceolate, acuminate, 
8 to 10 mm. long, somewhat penicillate, and more or less tinged 
with purple; ray-flowers 10 to 12, rays yellow; disk-flowers 
numerous, slightly exceeding the involucre; achenes glabrous. 
