396 COMPOSIT A HIERACIUM 
+ + Stems more or less leafy: involucre 15-30-flowered, oblong- 
campanulate, of rather numerous narrow and acute or acutish bracts: 
flowers yellow: achenes not narrowed upward: pappus from sorded 
to dull white. 
H. cynoglossoides Arvet. Gray Proc. Am. Acad. xix, 68. More or 
less pubescent with somewhat hispid hairs, and the inflorescence glandu- 
lar: stems 1-2 feet high, numerous from the crown of a perennial root, 
leafy: leaves lanceolate, mostly acute, 2-6 inches long; the upper sessile 
by a narrow base; the lower narrowed to a winged petiole: heads few to 
several in an open corymbose cyme: involucre 6-8 lines high: its linear 
acute bracts and short peduncles rather densely hirsute with short black 
hairs as well as glandular: achenes rather short. In open woods British 
Columbia to California and the Rocky Mountains. 
H. amplum Greene Eryth. iii, 101. ‘‘Stoutish 2 or 3 feet high, amply 
leafy up to the rather broad corymbose panicle, but no radical tuft of foli- 
age : leaves oblong-spatulate, acutish, entire, 4-6 inches long hirsute along 
the margins, and with scattered appressed hairs on both faces: upper cau- 
line leaves and branches of the inflorescence pale and glaucescent, seem- 
ingly glabrous, but somewhat tomentose-puberulent under a lens: inyolu- 
cres about 5 lines high, loosely calyculate the subequal bracts dark with 
black setulose stout hairs ovuherwise glabrous: ligules yellow: achenes col- 
umnar or eyen slightly widening to the summit: pappus white. On hill- 
sides at 6000-7000 feet altitude Mount Adams, Washington, Suksdorf,’’ 
H. barbigerum Greene Pitt. iii, 228. Stems slender, tufted, from deep 
seated somewhat running rootstocks, 4-10 inches high, leafy only near the 
base: leaves somewhat crowded but not rosulate, lanceolate to spatalate, 
short petioles and leaf-margins hirsute with long spreading hairs which 
extend more sparsely to both sides of-the leaves and stem, the lower faces 
of the leaves also tomentulose with branched hairs: heads 1-5, in a loose 
cyme: involucre campanulate. about 6 lines high its linear bracts hirsute 
and tomentulose like the leaves with also a few dark setulose hairs: pap- 
pus nearly white. Ongrassy slopes of Ashland Butte, Oregon, to Lassen 
. county, California. 
H. cinereum. Cinereous with a minute white scurfy tomentum: 
stems rather stout, 6-10 inches high, from stout creeping rootstocks form- 
ing large patches leafy only toward the base: leaves lanceolate or narrow- 
er, acute or acuminate, 3-4 inches long, sparsely denticulate narrowed be- 
low to broad winged petioles; sparsely hirsute with crisp hairs: heads sey- 
eral to numerous in a close corymbose paniculate-cyme: involucre 5-6 lines 
high, its linear principal bracts with broad scarious margins, the outer 
and shorter ones subulate all sparsely or not at all hirsute: pappus sor- 
ded. In open places near Table Rock, Clackamas county, Oregon. 
++ ++ ++ Leaves all at the base of the loosely branching scape-like 
stem : flowers yellow only 5-15 in the narrow and diffusely paniculate 
heads: achenes slightly if at all tapering to the summit. 
H. Bolanderi Gray Proc. Am. Acad. yii, 265. Stem slender, 6-18 
inches high, commonly solitary, glabrous: leaves nearly allin a radical 
tuft, ovate to broadly lanceolate mostly obtuse, sparingly denticulate or 
entire 2-8 inches long, tapering below to a winged petiole, pale and glau- 
cous below, green and beset with bristles above: heads few to several in a 
loose paniculate cyme: involucre narrow, 5-lines high, glabrous of 5-10 
linear-lanceolate, very acute principal bracts and a few smaller ones at 
their base: achenes fully as long as the pappus. 
H. Howellii Gray Bot. Gaz. xiii, 73. Stems 1-2 feet high, hoary with 
close stellular pubescence, hirsute below: leaves spatulate to oblanceolate 
entire or some of them sparingly dentate, 3-4 inches long, obtuse, tapering 
