1924] Fernald,—Representatives of Arnica alpina 105 
base; its 10-12 oblanceolate bracts 1 em. long, sparingly pilose or glabrate 
above the base: ligules 10-15, with 3 blunt lobes 1-2 mm. long: achenes 
hispid: pappus white, barbellate.—Fl. 527 (1814); Fernald, RHODORA, 
vii. 147 (1905). A. angustifolia Torr. & Gray, Fl. ii. 449 (1843), in 
part, not Vahl. A. alpina Gray, Syn. Fl. i. pt. 2: 382 (1886), in part, 
not Olin & Ladau. A. alpina, var. Lessingii Fernald & Sornborger, 
Ott. Nat. xiii. 106 (1899), in part, not Gray.—Banks of mountain- 
brooks, ete., Ramah to Nain, Labrador, west to Kooksoak River, 
Ungava District. Fl. August. 
4. A. SORNBORGERI Fernald. Fic. 3. Stem 1.5-2 dm. high, viscid- 
villous throughout, densely so at summit: leaves glandular-puberulent 
and viscid-villous, irregularly dentate; the basal linear-lanceolate to 
narrowly oblong, 6-9 em. long, 0.8-1.6 em. broad; cauline 3 pairs, 
linear to lanceolate: head solitary, 4.5-6 cm. broad: involucre 
uniformly viscid-villous throughout; its 10-12 linear- to lance-attenuate 
bracts 1.2-1.5 cm. long: ligules 10-15, with acutish lobes 3-5 mm. 
long: achenes hirsute: pappus white, barbellate.—HRnHopona, vii. 
147 (1905).—Rocky banks of streams, Torngat Mts., Labrador. 
Fl. August, September. 
5. A. cHIONOPAPPA Fernald. FiG.5. Stem 0.7-4 dm. high, loosely or 
sparingly villous: leaves sparingly villous or glabrate; the basal lanceolate 
to narrowly ovate, regularly dentate, 0.3-1.8 dm. long, 0.5-3.3 em. 
broad; cauline 2-4 pairs, the lower slender-petioled and resembling 
the basal, the upper sessile and much smaller: heads 1-4, 3-4 cm. 
broad: involucre villous throughout; the 10-15 linear- to lance-attenuate 
bracts 7-13 mm. long: ligules 10-15, with short bluntish lobes: disk- 
corollas 6-8 mm. long, with glabrous or only sparingly setulose lobes; 
the densely pilose portion of the tube and throat 3.5-6 mm. long: achenes 
densely short-setulose, 4-6 mm. long; the ascending white hairs about 
equaling one-half the diameter of the achene: pappus bright-white, in 
fruit 5-8 mm. long.—Ruopora, vii. 148 (1905).—Calcareous 'edges, 
shingle, cliffs and river-gorges, Table Mt., Port à Port Bay, New- 
foundland; Cap-Rosier, Gaspé Co., Quebec to the Tobique River, 
New Brunswick. Fl. late June-ear y August. 
6. A. GASPENSIS Fernald. Fic. 6. Stem 3-4 dm. high, villous 
below, glandular-puberulen' above: leaves sparingly pilose on both 
surfaces, lanceolate; the lower with sharp spreading teeth, 6-12 cm. 
long, 1.2-2.3 em. broad; the 3 or 4 pairs of cauline sessile, the upper 
much reduced: heads 1—4, 4-5 em. broad: involucre glandular puberu- 
lent and sparingly pilose; its S-10 oblong bracts 1 cm. long, with tri- 
angular tips: ligules about 10, sharply lobed: disk-corollas slenderly 
funnelform, 9-10 mm. long, with copiously setose lobes; the densely 
pilose portion of the tube and throat 7-9 mm. long: achenes hirsute 
with short and long hairs, the latter nearly equaling the diameter of 
the achene: pappus cream-white, in fruit 9-10 mm. long.—Ruopora, 
vii. 148 (1905).—Calcareous ledges and cliffs, Cap Tourelle, Gaspé 
Co., Quebec. Fl. July. 
7. A. Griscomi, n. sp. (Fic. 7), rhizomate gracili 0.4-1 dm. longo 
