Lxx. composite:. 201 



123. OSTEOSPERMUM, Liuii. 



Heads mauy-flowered, radiate ; rays ligulate, female ; disk- 

 flowers tubular, 5-tootlied, male, with abortive ovary aud 

 style. Involucre in few rows, the scales free. Beceptacle 

 nude, rarely setigerous. Achenes of ray drupaceous or nut- 

 like, thick, very hard, glabrous, beakless, without pappus.-— 

 Fl Cap. iii. p. 433. 



Slmibs or undershrubs, rarely herbaceous. Leaves alternate, vci-y rarely 

 opposite, toothed entire or pinnatifid. Heads yellow. Achenes bluntly 

 or sharply 3-angled, or 3-\vinged occasionally. — 38 species, dispersed. 



124 ? XEklSMIA, DC. 



" Heads monoecious ; ray-flowers 5-7, female, ligulate ; disk- 

 flowers 10-12, tubular, 5-toothed, male. Involucral scales 

 oblong, in a single row. Eeceptacle without palea?. Eays 

 obtuse, ciliate at base. Anthers .... Style .... Achenes 

 of disk 0; of ray thick, glabrous, without pappus, everywhere 

 bristling mth thick, rigid thorns. Seeds thicldsh, oblong, ta- 

 pering at base." (-DC.) — Fl. Cap. i\\. p. 446. 



X. acantTiosperma, DC, is a many-stemmed annual of the Kaus moun- 

 tains (unknown to me). Leaves alternate, oblong-euneate, toothed at the 

 point, tapering at base. Heads small, at the ends of the branches. 



Teibe 5. CT]5fAREiE. (Gcu. 125-146.) 



Stjbteibe 1. Aectotide^, (Gen. 125-140.) 



125. ARCTOTIS, Linn. 



Heads radiate ; rays female, ligulate ; disk-flowers 5-toothed, 

 bisexual. Involucre bell-shaped, its scales in several rows, 

 free, the outer small, herbaceous, inner longer, obtuse, scari- 

 ous-membranous. Receptacle honeycombed, fimbrilliferous. 

 Filaments smooth. Achenes mostly pubescent, copiously 

 silky (in most species) near the base, ovate, dorsally 3-5- 

 winged or ridged, the lateral wings or ridges inflexed, either 

 entire or toothed, the medial straight, narrower. Pappus in 

 2 rows, paleaceous, the scales of the inner row mostly 8, spirally 

 twisted before the opening of the flower, sometimes very small. 

 —FJ. Cap. iii. p. 448. • 



Stemless or caulescent, unarmed herbs. Leaves alternate, petioled, va- 

 riously cut or subentire, often hoary on one or both sides. Heads peduncled, 

 solitary. — 30 species, dispersed. 



126. VENIDIUM, Less. 



Characters of Arctotis, except: Acliencs mostly glabrous, 

 without auy basal tuft of silky hairs. Pappus 0, or of 4 very 

 minute unilateral scales. — Fl. Cap. iii. p. 458. 



