120 Rhodora [JUNE 
1906 and 1923, Fernald & Collins, nos. 261, 263, Fernald, Dodge & 
Smith, nos. 26,109, 26,110; wet hornblende-schist at base of Big 
Chimney, north slope of Mt. Mattaouisse (called on label "Mt. 
Logan"), Matane Co., July 22, 1922, Fernald & Pease, no. 25,341; 
schistose talus and wet shelves at base (altitude 400-600 m.) of Big 
Chimney, Mt. Mattaouisse, July 10, 1923, Dodge, Griscom & Pease, 
no. 26,106; moist rocks and turfy chimneys (alt. about 800-1050 m.), 
Pease Basin, between Mts. Logan and Pembroke, Matane Co, 
July 13, 1923, Pease & Smith, no. 26,107; moist bushy ta us and 
mouths of chimneys at about 900-1125 m. alt., Hanging Valley, Mt. 
Pembroke, July 16, 1923, Griscom & Pease, no. 26,108, August 24, 
1923, Fernald & Smih, no. 26,111. Mackenzie: Fort Franklin, 
Richardson (tracing from photograph of Š. aureus Š discoideus Hook.). 
ALBERTA: Flatts, junction of North Fork and West Branch of 
Saskatchewan, June 21, 1908, S. Brown, no. 1008; Malique Lake, 
July 8 and 18, 1908, Brown, nos. 1173, 1247; Blind Valley and Lakes, 
alt. 7000-8000 ft., July 6, 1906, Brown, no. 414. BRITISH CoLuMBIA: 
below Pipestone summit, July 6, 1904, J. Macoun, no. 65,018; upper 
Spillamacheen Valley, alt 6500 ft., August 3, 1904, C. H. Shaw, no. 
440; Cornwall Hills, July 28,—J. McEvoy, no. 5100; Alberni, Van- 
couver Island, June 27, 1907, Rosendahl, no. 1971. WyominG: small 
willows, Middle Ten Sleep Creek, Big Horn Co., August 1, 1901, 
Goodding, no. 465; Little Goose Cafion, Sheridan Co., July 1, 1901, 
A. Nelson, no. 2383. Ipano: Grand Saline (Salt River?), Burke. 
CALIFORNIA: Yosemite region, 1893, J.-B. Lembert (S. Lemberti 
Greene); Soda Springs, Tuolumne Co., July, 1894, Lembert (distri- 
buted by Congdon as C 171). 
S. INDECORUS Greene, Fl. Francisc. 470 (1897). S. discoideus 
Hook. ex. Torr. & Gr. Fl. N. A. ii. 442 (1843) as to plant described; 
Britton in Britton & Brown, Ill. Fl. iii. 479, fig. 4042; not 5. aureus 
š discoideus Hook. Fl. Bor.-Am. i. 333 (1834). S. idahoensis Rydb. 
Bull. Torr. Bot. Cl. xxvii. 183, t. 6, fig. 5 (1900); Greenman, Monogr. 
Senecio, I. Teil, 24 (1901), in Engler, Bot. Jahrb. xxxii. 20 (1902), Ann. 
Mo. Bot. Gard. iii. 96 (1916). S. Burkei Greenman, Ott. Nat. xxv. 114 
(1911), Ann. Mo. Bot. Gard. ii. 626, t. 20, fig. i. (1915), ibid, iii. 
136 (1916).—Slender, 2-9 dm. high: leaves membranaceous; the 
basal slender-petioled, oblong, elliptic or ovate, cuneate to subcordate 
at base, sharply or often incisely toothed or sometimes pinnatifid; 
the middle and upper usually sessile, 4-11 below the inflorescence, 
oblong, lanceolate or oblanceolate, incisely and variously cut into 
sharp teeth or lobes; the uppermost leaves greatly reduced or obso- 
lete: heads 6-40, slender.y cylindric-urceolate (when fresh), dis- 
coid or radiate: involucres usually green or merely with purple tips: 
the acute bracts 0.5-1 mm. broad: filiform tube of corolla 3.6-6 mm. 
long; lobes yellow: achenes drab or gray-brown, slender, strongly 
costate, 2-3 mm. long: mature involucre strictly reflexed: denuded 
receptacle convex, conspicuously alveolate; the walls of the pits very 
