330 DESCRIPTIONS OF NEW SPECIES 
late, or alveolate, and fringed. Involucrum, scales loosely imbricate, subli- 
near, acute. Achenia oblong, somewhat terete, or turbinate, densely serice- 
ous. Pappus setose, of several series, unequal; that of the liguli shorter, 
with the rays less numerous.—South American shrubs, or undershrubs, 
usually with alternate, sharply serrated, or bristly toothed leaves. Capitu- 
lum terminal, often pedunculate. Flowers wholly yellow. 
Aplopappus cespitosus; puberulous, stemless; leaves in rosulate clusters, cu- 
neate-oboval, ciliately serrate, serratures bristly ; scape elongated, one-flowered. 
Has. Chili, (Dr. Styles.) Leaves about an inch long, half an inch wide. Scape half a foot 
long. Capitulum large, hemispherical; rays about forty; pappus bristly, scabrous, brownish ; 
achenium densely sericeous and recom & Sepals linear, acute. Root-stock woody. 
Aplopappus *cuneifolius; suffruticose, smooth and viscid, dwarf; leaves cune- 
ate, obtuse, serrate, serratures without bristles; stem short, scapoid, one-flow- 
ered; sepals very unequal, linear, acuminate; rays about twelve. 
Has. With the preceding, (Dr. Styles.) A much smaller species. Peduncle two to three 
inches long. Pappus bristly, scabrous. Achenium densely sericeous and short, 
§ *Gymnocoma. Flowers discoid; corolla not dilated; stigmas filiform, acute, 
hirsute. 
Aplopappus * pinnatifidus; stemless, smooth and glandular; leaves rosulate, 
linear, pinnatifid, segments bristly ; scape very long, with small subulate leaves ; 
sepals with bristly, acuminate points; florets numerous, discoid. 
Has. Chili, (Dr. Styles.) Achenia silky. Root-stock woody. Allied to Eriocarpum, but 
with a different stigma and habit. 
oo = *HOMOPAPPUS. 
. 7 es 
Capitulum heterogamous, many-flowered, obovate or hemispherical. Rays 
feminine, about a single series, rarely infertile; discal florets slender, tubu- 
___ lar, five-toothed, closed, fertile. Stigmas filiform, acute, hirsute. Recepta- 
cle alveolate, flat, dentate. Involucrum imbricate, in several series, scales 
more or less-agglutinated, oblong, or ovate, with foliaceous, spreading tips. 
Achenium linear, angular, subcylindric, mostly smooth, (pubescent in the 
doubtful sections AcrrvapHorta and Myrtantuus.) Pappus setose, scabrous, 
