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 ccespitosus; puberulous, stemless; leaves in rosulate clusters, cu- 

 neate-oboval, ciliately serrate, serratures bristly; scape elongated, one-flowered. 



Hab. Chili, (Dr. Styles.) Leaves about an inch long, half an inch wide. Scape half a foot 

 lotig. Capitulum large, hemispherical; rays about forty; pappus bristly, scabrous, brownish; 

 achenium densely sericeous and shining. Sepals linear, acute. Root-stock woody. 



Aplopappus ^cuneifolius; suflFruticose, 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. 

 ■ Hab. 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. 



Hab. ChUi, (Dr. Styles.) Achenia silky. Root-stock woody. Allied to Eriocarpum, but 

 with a different stigma and habit. 



*HOMOPAPPUS. 



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 Actinaphoria and Myrianthus.) Pappus setose, scabrous. 



