[Vor. 5 
60 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
3900 m., 31 July, 1910, Eggleston 6069 (U. S. Nat. Herb.) ; dry 
open soil, Leadville, alt. 3960 m., 23 June, 1916, Clokey 2691 
(1. W. Clokey Herb. and Mo. Bot. Gard. Herb.). 
Var. toiyabensis Greenm. var. nov. 
Stems 2 to 10 em. high; heads one or two, terminating the 
nearly naked всарове stem, discoid; achenes glabrous. 
Distribution: mountains of northeastern Nevada and Idaho. 
Specimens examined: 
Nevada: Bunker Hill, Toiyabe Range, alt. 3350 m., 29 July, 
1913, P. B. Kennedy 4178 (Mo. Bot. Gard. Herb. Nos. 715463, 
749546), түре; dry rocky hill, Bunker Hill, Toiyabe Forest, 
alt. 2250—3400 m., 29 July, 1913, Hitchcock 861 (U. S. Nat. 
Herb. No. 766173). 
Idaho: alpine meadows, mountain top, Lost River Moun- 
tains, near Clyde, Blaine Co., alt. 3045 m., 10 July, 1916, Mac- 
bride ё Payson 3131 (Мо. Bot. Gard. Herb.). 
108. S. werneriaefolius Gray, Proc. Am. Acad. 19:54. 
1883; Syn. Fl. N. Am. 12: 389. 1884, and ed. 2, 1886; Coulter, 
Manual Rocky Mountain Region, 209. 1885; Greenm. Monogr. 
Senecio, I. Teil, 24. 1901, and in Engl. Bot. Jahrb. 32: 20. 
1902; Rydb. Fl. Colo. 397. 1906; Clements & Clements, Rocky 
Mountain Flowers, 293. 1914, as wernerifolius. 
S. aureus var. werneriaefolius Gray, Proc. Acad. Nat. Sci. 
Phil. p. 68. 1863; Porter & Coulter, Fl. Colo. 81. 1874. 
S. perennans Nelson, Bull. Torr. Bot. Club 25:549. 1898, 
and Contr. Fl. Rocky Mountains, 43. 1904; Rydb. Fl. Colo. 397. 
1906. 
S. scaposus Nelson, Bull. Torr. Bot. Club 25 : 379. 1898, not 
DC. 
A low herbaceous perennial, at first white-tomentose, more 
or less glabrate; stems solitary or several from a multicipital 
caudex, erect or nearly so, .5 to 2.5 dm. high; leaves chiefly 
basal, thick or subcoriaceous in texture, linear-spatulate to 
elliptic-oblanceolate, 2 to 10 em. long, 2 to 15 mm. broad, en- 
tire or slightly dentate towards the apex, margins usually 
strongly revolute; inflorescence a terminal one to several- 
headed corymbose cyme; heads 10 to 12 mm. high, radiate; 
