1916] 
GREENMAN—MONOGRAPH OF SENECIO 155 
Distribution: Manitoba to Alberta. 
Specimens examined: 
Manitoba: gravelly soil, Ninga, 1 June, 1908, Hales 24 (Geol. 
Surv. Canada Herb.). 
Alberta: near Olds, Aug., 1894, Walling (Geol. Surv. Can- 
ada Herb. 14843, 6063, fragment and photograph in Field 
Mus. Herb.), TYPE. 
68. S. Smallii Britt. Mem. Torr. Bot. Club 4:132. 1894; 
Britton & Brown, Ill. Fl. 3:479, fig. 4044. 1898, and ed. 2, 546, 
fig. 4630. 1913; Heller, Cat. N. Am. Pl. 147. 1898, and ed. 2, 
231. 1900; Britton, Manual 1028. 1901, and ed. 2, 1905; Small, 
Fl. Southeastern U. S. 1304. 1903, and ed. 2, 1913; Greenm. in 
Gray, Manual, ed. 7, 854. 1908. 
S. Balsamitae Ell. Sketch 2:330. 1824, not Muhl. 
S. aureus var. Balsamitae Gray, Syn. Fl. N. Am. 12:391. 
1884, and ed. 2. 1886, in part; Chapman, Fl. Southern U. 8. 
245. 1860, ed. 2, 1889, and ed. 3, 266. 1897. 
S. aureus var. angustifolius Britt. Mem. Torr. Bot. Club 
2:39. 1890, not S. angustifolius Willd. 
S. Earlei Small, Bull. Torr. Bot. Club 25:147. 1898. 
(?) S. Memmingeri Britt. Bull. Torr. Bot. Club 25:147. 1898. 
An herbaceous perennial; stems one to several, erect from 
a соттоп base, 2 to 6 dm. high, conspicuously and perma- 
nently woolly tomentose at the base and in the leaf-axils ; lower 
leaves long-petiolate, narrowly oblong-oblanceolate, 1.5 to 13 
em. long, 1 to 3 em. broad, obtuse to rounded at the apex, 
erenate to serrate-dentate, narrowed at the base into the 
petiole; petioles 1.5 to 18 em. long; stem-leaves petiolate and 
sublyrate to sessile and more or less pinnatisect; inflo- 
rescence a terminal many-headed corymbose суше; heads 
usually very numerous, relatively small, 7 to 10 mm. high, 
radiate; involuere eampanulate, sparingly calyculate; bracts 
of the involucre 13 to 21, linear-lanceolate, 5 to 6 mm. long, 
glabrous; ray-flowers 8 to 13, rays yellow; disk-flowers num- 
erous; achenes usually but not always hispidulous along the 
angles. 
Distribution: southern Pennsylvania to Florida. 
