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A. crassa SPDe MOVe oe ‘ Tae yy 
Perennial herbs 40-60 cm. tall, with stout horizontal rootstocks, eir rather 
stout stems thinly woolly with mostly glandular hairs, somewhat viscid, branching 
in the upper axils with erect, elongate branches; basal leaves oblanceolate, — 
8=20 om. long, 2-525 cm. broad, mostly subacute; she stem leaves 3-4 pairs, 
sessile, clasping the stem, the lower oblong, 8-15 om. long, 2-5 om. broad, the 
upper ovate, gradually shorter, rounded or rounded-truncate at the base, acute or 
the uppermost acuminate, all sharply serrate ,the teeth 1-2 mm. tall, remote, all 
thinly villous with glandular hairs on both surfaces or the lower surface glabrate; 
heads several, showy, their involucral bracts 10-12 mie long, 2-4 mm. wide, 5 
mostly broadest near the middle, lightly tapered toward the base, usually acumin- 
ate or sometimes acutey above the middle, all villous with glandular hairs, 
more or less purple-tinged; ray-corollas bright yellow,15-18 mm. long, 4=6 mn. 
broad, the blades oval; disc corollas 7-8 mm. long; achenes 4=4.5 mm. long, black, 
spindle-shaped, glabrous or very sparsely hispidulous; pappus tan-color, sub- 
plumose. 
Very close to 4. scaberrina Greene, — ar apa a ene 
Z a 
a ate N. Fork Clearwater R., 2600 fte, Epling and Houck 9416(type, Univ, Calif. ick 
——~» Herb, )B1k Summit, 5700 fto, Kirkwood 1682; Monroe Cry, 6000 Ste, Kirkwood 1993, 
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—. 
De Ae Rydbergii Greene. — —> A low perennial herb 10-20 em. tall, the 
stems thinly woolly; basal leaves 3-4 om. long, obovate, oblanceolate or 
spatulate, blunt, narrowed to an indefinite petiole, subentire, cauline leaves 
2-3 pairs, somewhat smaller, elliptical or oblong-lanceolate, obtuse, narrowed 
toward the base, entire or denticulate, all thinly woolly toward the margins 
and on the midvein beneath; heads usually solitary, the involucres broadly 
top=shaped, their bracts oblong, obtuse, 8-9 mm. long, somewhat silky and woolly 
towards the base; ray corollas orange-yellow, oblong-elliptical, obtuse and 
subentire at the apex, 15-16 mn. long; disc corollas 6.5-7 mm. long; achenes 
softly hirsute. 
Occasional on mountain Sops in thin soil and rock crevices. 
WV 
Bo f ——~> Snowy Top Mte, 5000-6000 ft., Epline 7247, 6658. 
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