geneero COMPOSIT 4# 379 
or somewhat pinnatifid: involucre open-campanulate, 4—5 lines high, of linear 
acute bracts: rays 8-12, elongated oblong: achenes glabrous, striate. In 
marshy grounds, Cascade and Rucky Mountains. 
S. elongatus Pursh FI ii, 529. 8S. aureus var. borealis T & G. Stems 
10-20 inches high: leaves thickish; the radical from roundish with abrupt or 
even truncate base to cuneate-obovate and cuneate spatulate, 6-12 lines long, 
slender-petioled: cauline seldom much pinnatifid; heads numerous or few, 
not rarely rayless: achenes glabrous, In the high mountains Brit. Columbia 
to California and the Rocky Mountains. 
S$. Adamsi. Floccose-woolly below, glabrous above except the axils of 
- the leaves: stems 4—12 inches high: radical leaves obovate or oblong to al- 
most orbicular, crenately toothed, the blade 6-18 lines long, on slender pet- 
ioles as long or longer; cauline leaves lanceolate to linear in outline, pinnate- 
ly lobed or parted into oblong or linear lobes or divisions, sessile by a ssme- 
what clasping base: heads 1-12, in a close or at length open cyme: involucre 
hemispherical, of numerous linear-lanceolate acute bracts, 4-5 lines long: 
rays 12-15, elongated oblong: achenes glabrous, about a line long. By the 
base of cliffs, Mount Adams Washington. 
= = = Leaves mostly once pinnately divided or parted and again 
lobed or incised. . 
S. Bolanderi Gray Proc. Am. Acad. vii, 362. Glabrous or early 
glabrate: stems weak*and slender, 6-30 inches high from slender creeping 
rootstocks: leaves thin and membraneous, mostly petioled: early radical 
orbicular, subcordate, palmately 5-9 lobed or crenate-incised; others pin- 
nately divided into 5-9 distinct leaflets or the upper lobes confluent with 
rounded terminal one, all obtusely incised: heads several, loosely cymose 
4 or 5 lines high, rays 5-8, rather long. Common along streams and 
bluffs Washington to Northern'California west of the Cascade mountains. 
t+ ++ ++ ++ ++ Stems leafy, numerously or somewhat equably so 
up to the top 
S. condensatus Greene Pitt. iii, 298 ‘‘ Stems solitary, stout and low, 
very leafy, 4 to 6 inches or rarely almost a foot high: herbage somewhat suc- 
culent, sparsely floeculent when young: lower leaves almost as long as the 
stem, spatulate-obovate; the upper oblanceolate, all obtuse, crenately or more 
sharply dentate: heads 3 to 6, more than 4% inch high, closely sessile in a 
large cluster among the upper leaves: bracts of the decidedly flocculent in- 
volucre lanceolate, acuminate: rays either wanting or few and deep yellow. 
High ridges of the Blue Mountains Walla Walla Co. Washington, Piper. 
§ 2 Annuals or biennials. 
_ §. vorearis L. Engl. Bot. t., 748. (GroounpsEeL). Rather stout, branch- 
ing and leafy to the top glabrate 4-16 inches high from an annual root: 
leaves incisely pinnatifid the long or roundish lobes and the sinuses 
sharply toothed : heads 4-5 lines high: tips of the involucral bracts and 
the short calyculate ones at base blackish: rays none: achenes canes- 
cently puberulent, common in cultivated fields and moist places, flower- 
ing most of the winter months. (Nat. from Eu.) 
Tribe viii. CYNAROIDE B. & H. Gen. ii, 211. Heads hom- 
ogamous tubiflorous, the flowers all hermaphrodite with equally or 
sometimes unequally 5-cleft corollas, the lobes long and narrow, or 
sometimes radiatiform and heterogamous by enlargement of the limb of 
marginal flowers which are commouly neutral. Involucre much im- 
