174 LXX. COMPOSITiE. 



22. FBESENIA, DC. 



Heads scvcral-flowcred, discoid. Involucral scales imbricate, 

 linear, submembrauous at margin, with 1-3 dorsal glands. 

 Eeceptacle areolate, narrow. Corolla tubular, glabrous, 5- 

 toothed, not wider at the throat. Anthers without tails. 

 Achenes compressed, beakless, silky. Pappus double, the 

 outer of short, narrow scales, inner of long, rough bristles. — 

 Fl. Cap. iii. p. 92. 



Glabrous halfshrubs, with linear, opposite or alternate, entire leaves, and 

 1-headed peduncles. Flowers pale yellow. — 2 species, both Western. 



23. CHRYSOCOMA, Cass. 



Heads many-flowered, discoid. Receptacle somewhat honey- 

 combed. Involucre campanulatc, shorter than the flower, 

 imbricate, of oblong-lanceolate scales. Achenes flattened, 

 beakless, hispidulous. Pappus in 1 row, of slender, rough 

 bristles. — Fl. Cap. ni. p. 93. 



South African small shrubs or rarely herbs, with linear, rarely pinnatifid 

 leaves. Heads solitary or i-arely corymbose, bright yellow. — 9 species, 

 dispersed. 



2^. PTERONIA, Linn. 



Heads discoid, homogamous, many-flowered, rarely 3-1- 

 fiowered. Ueceptacle honeycombed ; cells shallow or fringed. 

 Involucre imbricated, in many rows. Achenes compressed or 

 top-shaped, glabrous or villous, rarely shortly beaked. Pap- 

 pus in many rows, of thickish, straight and rigid, closely- 

 barbed bristles, often concrete at base. — Fl. Cap. iii. p. 95. 



A large Cape genus of small, dry or glutinous shrubs. Leaves opposite 

 or rarely alternate, mostly entire, often ciliate. Heads solitary or corym- 

 bose ; flowers yellow, rarely purple. — 51 species, dispersed, the majority 

 Western and Worth- Western. 



SuBTRiBE 2. Bacchaeide^. (Grcn. 25-28.) 



25. LEPTOTHAMNUS, DC. 



Heads many-flowered, hetcrogamous ; marginal flowers fili- 

 form, truncate or 2-dentate, female, in 1 row ; disk-flowers 

 tubular, perfect, 5-toothed. Receptacle flat, nude, somewhat 

 honeycombed. Involucral scales imbricate, acuminate, in few 

 rows. Pappus bristle-shaped, deciduous, of the ray 1-seriate, 

 of the disk more copious. Achenes compressed, silky. — Fl. 

 Cap. iii. JO. 111. 



Slender undershrubs, with scattei*ed, linear-subulate, rigidly-ciliate leaves, 

 and terminal, 1-lieaded peduncles. Flowers yellow, tawny red above. — 

 2 species, both Eastern. 



