1916] 
GREENMAN—MONOGRAPH OF SENECIO 107 
47. 8. Soldanella Gray, Proc. Acad. Nat. Sci. Phil. 15:67. 
1863; Porter & Coulter, Syn. Fl. Colo. 83. 1874; Gray, Syn. КІ. 
N. Am. 1?:384. 1884, and ed. 2, 1886; Coulter, Manual Rocky 
Mountain Region 206. 1885; Rydb. Fl. Colo. 394. 1906; Coul- 
ter & Nelson, Manual Cent. Rocky Mountains 578. 1909; Cle- 
ments & Clements, Rocky Mountain Fls. 291. 1914. 
S. Grayi Parry ex Gray, Proc. Acad. Nat. Sci. Phil. 15:67. 
1863, not S. Greyi Hook. f. 
A low herbaceous perennial, 1 to 2 dm. high, glabrous 
throughout and more or less tinged with purple; stems flex- 
uous, ascending from a stoutish rootstock, the latter bearing 
numerous fleshy-fibrous roots; leaves somewhat suceulent, 
subrotund to oblong-obovate, 1.5 to 5.5 em. broad, entire to 
sinuate-dentate, subeordate or more frequently euneate at the 
base into a winged petiole much exceeding the blade; heads 
large, 1.5 to 2 em. high, usually solitary, radiate; involucre 
broadly campanulate, calyculate; bracts of the involucre 
narrowly lanceolate, 10 to 14 mm. long, pubescent-tipped, 
otherwise glabrous and purplish; ray-flowers 10 to 18, rays 
yellow; disk-flowers very numerous; achenes strongly ribbed, 
glabrous. 
Distribution: high mountains of Colorado. 
Specimens examined: 
Colorado: Gray's Peak, 1 Aug., 1862, Parry (Gray Herb., 
Kew Herb., and Mo. Bot. Gard. Herb.), түре; Lat. 39°41’ N., 
coll. of 1862, Най € Harbour 319 (Gray Herb., Kew Herb., 
U.S. Nat. Herb., Field Mus. Herb., and Mo. Bot. Gard. Herb.) ; 
South Park, alt. 3960 m., Lieut. Wheeler’s Expedition, 1873, 
. Wolf £ Rothrock 573, 575 (Gray Herb. and U. S. Nat. Herb.) ; 
Mt. La Plata, alt. 4265 m., Hayden's U. 8. Geol. Survey, 1873, 
Coulter (Gray Herb. and Field Mus. Herb.) ; Sangre de Cristo, 
Aug., 1873, Brandegee 724 (U. S. Nat. Herb., Phil. Acad. Nat. 
Sci. Herb., and Mo. Bot. Gard. Herb.) ; Sawatche Range, coll. 
of 1880, Brandegee (Mo. Bot. Gard. Herb.) ; high mountains, 
Gray's Peak and vicinity, alt. 3350-4265 m., Aug., 1885, Pat- 
terson 84 (Gray Herb., Kew Herb., U. S. Nat. Herb., Field 
Mus. Herb., and Mo. Bot. Gard. Herb.); Gray's Peak, alt. 
