HIERACIUM COMPOSITZ : 395 
and few- to many-flowered. Achenes in a few species slender or 
tapering to the summit. Pappus of more or less scanty equal 
bristles. 
* Crinite-hirsute with long and whitish or yellowish shaggy hairs, 
especially on both sides of the entire leaves: flowers yellow: achenes 
columnar and short, not at all narrowed upward. 
H. longiberbe. Whole plant sparsely covered with long soft hairs’: 
stems usually slender and ascending or suberect, 6-18 inches long: leaves 
lanceolate, entire or sparingly dentate, 3-6 inches long: heads rather few, 
in an irregular panicle: involucre campanulate, 6 lines high, of 10-20 lan- 
ceolate acuminate principal bracts with smaller calyculate ones at their 
base, all densely clothed with long spreading hairs, not glandular. On 
cliffs along the Columbia river near the Cascades. ; 
H. Seouleri Hock. Fl. i, 198. Sparingly pubescent with long crisp 
hairs, pale and more or less glaucescent: stems 1-2 feet high, very leafy: 
leaves lanceolate, sessi e or the lowest short-petioled, 2-6 inches long : heads 
rather few, in a loose irregular panicle: involucre 6 lines high; its bracts 
linear-lanceolate, often acuminate. imbricated in 2 or 3 series, the outer 
successively shorter, all beset with long bristly hairs, and more or less 
glandular: pappus whitish. Brit. Columbia to Oregon and Montana. 
* * (Crinitely long-villous with soft-woolly and blackish smooth 
hairs above, wanting below: without stellate or glandular pubescence : 
flowers yellow: pappus fuscous. 
H. triste Cham. in herb. Willd. Stems simple, 4-12 inches high, 
few-leaved, bearing solitary or 2-4 racemosely disposed small heads: 
radical leaves obovate to spatulate, entire, green and glabrate, or with 
sparse pale hairs; cauline oblong, upper ones and stem more or less vill- 
ous-lanate: heads half-inch high, livid: involucre and peduncle densely 
clothed with long dark-brown or partly grayish soft wool. Aleutian Is- 
lands to northern Washington. 
* * * Dark-hirsute and somewhat glandular on theinvolucre: leaves 
and lower part of stems glabrous, or at most pubescent : flowers yellow. 
H. ‘gracile Hook. FI. i, 298. Pale green and more or less pubescent: 
stems tufted, slender, 2-18 inches high: leaves mostly in radical cluster, 
obovate to oblong-spatulate, 1-3 inches long, attenuate below to petioles, 
entire or repand-dentate: heads few to several, racemously disposed, the 
lower linear-bracteate: involucre about 4 lines high, its numerous linear 
bracts all nearly equal, beset with short black somewhat hispid hairs 
and also tomentose and glandular: achenes short-columnar: pappus al- 
most white. In open places on the highest peaks; Alaska to California 
and the Rocky Mountains. 
* * * * Not. crinite but at least the radical leaves and base ofthe 
stem sparsely or even thickly setose-hirsute with spreading hairs. 
+ Flowers white: stems leafy, and in large plants loosely branching 
H. albiflorum Hook. |. c. Stems slender, 1-3 feet high. bearing few 
to numerous small heads in an open, simple or compound paniculate 
cyme: leayes oblong to broadly lanceolate, thin, 1-4 inches long; the 
upper sessile by a broad base, the lower tapering into slender petioles: 
involucre campanulate, 4-5 lines high, of several linear-lanceolate acute 
bracts, imbricated in 2 or 3 ranks, the outer successively shorter, glabrous 
or nearly so, not rarely with a few bristly hairs: achenes black, a line 
long. Common in dry wooded districts, Alaska to California and the 
Rocky Mountains. ) 
