1905] Fernald, The Genus Arnica in N. E. America 149 
puberulent above: leaves 5 pairs, thick, lanceolate with sharp 
spreading teeth, slightly pilose on both surfaces, the lower pairs 
with broad-winged petioles, the upper sessile: the 3 heads, 4-5 cm. 
broad, on naked or bracted glandular-puberulent peduncles (1-1.5 
dm. long): involucre glandular-puberulent and sparingly pilose; its 
oblong bracts 1 cm. long, with triangular ciliate-pilose tips: rays 
about 10, sharply 3-toothed: achenes 6-7 mm. long, hirsute with 
short and long hairs, the latter equalling the diameter of the achene: 
pappus cream-white, 8-10 mm. long.— 4. Chamissonis, form, Gray, 
Syn. Fl. i, pt. 2, 382 (1886).— QUEBEC, very precipitous ledges of a 
hill at Cap Tourelle, near Ste. Anne des Monts, Gaspé, Co., July 14, 
1881 (J. A. Allen). 
++ ++ Pappus plumose, sordid. 
A. MOLLIS, Hook. Stem 1.5-7 dm. high, more or less crisp-villous 
throughout, somewhat glandular above: leaves oblanceolate to ovate, 
mostly dentate, thin, sparingly pilose; the basal slender-petioled ; the 
cauline (3-5 pairs) mostly sessile, o.3- 1.5 dm. long, the uppermost 
only slightly smaller: heads 1 to 9, on short (3-12 cm. long) naked 
or rarely bracted glandular-villous peduncles, 4-6 cm. broad: invo- 
lucre glandular and villous throughout, densely so (almost lanate) at 
base; its lance-attenuate often purple-tipped bracts 1—1.6 cm. long: 
rays to to 15: achenes hirsute, 4-5 mm. long, shorter than the plu- 
mose yellow-brown or olive-tinged pappus. — Fl. Bor.-Am. i. 331 
(1834) ; Torr. & Gr., Fl. ii. 450 (1843) ; Gray, Man. 241 (1848), 
ed. 3, 231 (1862), excluding Lake Superior plant. A. lanceolata, 
Nutt. Trans. Am. Phil. Soc. n. $., vii, 407 (1841); Britton, Man. 1023 
(1901), excluding Lake Superior plant. 4. Chamissonis, Gray, Syn. 
Fl. i. pt. 2, 381: (1886) ; Wats. & Coult. in Gray, Man. ed. 6, 292 
(1890); Britton & Brown, Ill. Fl. iii. 472 (1898) ; in part, not Lessing. 
A. Chamissonis, var. longinodosa, A. Nelson, Bot. Gaz. xxx. 199 (1900). 
— Quesec, Thickets, Table-top Mt., Gaspé Co. (7. A. Porter); banks 
of the River Ste. Anne des Monts, Gaspé Co. (7. A. Allen); ledges 
of Little Cascapedia River (Collins, Fernald, & Pease); Somerset, 
Megantic Co. (Ovide Brunet): MAINE, mouth of Allaguash River 
CD. W. Fellows); wet cliffs, Mt. Katahdin (Scribner, et al): New 
HAMPSHIRE, White Mts. (Oakes); Oakes Gulf (Faxon, et al); Tuck- 
erman's Ravine (Farlow, et al): Alberta and British Columbia, 
south to Colorado and California.— A specimen in the Gray Her- 
