192 LXX. COMPOSTT.i:. 



bristles in a single row. — Fl. Cap. iii. ^;. 277 ; Thes. Cap. t. 

 151. 



B. Zeyheri, II., the only species, is a minute, densely-tufted, moss-like 

 plant, forming level-topped cusliions on mountain-tops. Leaves linear- 

 subulate, mueronate, on both sides elosely silvery. Heads solitary, termi- 

 nal, half-sunk among the upper leaves. Ray- and disk-llowers purple. — 

 On Table Mountain ; Ilott. IIoll. Mountains and Genadeudal Mountains. 



91. DISPARAGO, Gc^rtn. 



Heads 2-flowered, one flower ligulatc, either female or neu- 

 ter, the other bisexual, 5-toothed. Involucre oblong, scales 

 horny, linear, in few rows. lleceptacle narrow. Achene 

 oblong, glabrous or woolly. Pappus of 5 or many bristles, 

 naked below, plumose above, often wanting in the ray-flowers. 

 —FL Cap. in. p. 277. 



Dwarf, heath-like shrubs. Leaves spirally twisted, crowded, sessile, 

 linear or subulate, involute, within tomentose, without glabrate or cob- 

 webbed. Heads in terminal, round or oblong, very dense glomerules. 

 Corolla purple or white. — 5 species, dispersed. 



92. STCEBE, Linn. 



Heads 1-flowered. Involucral scales oblong, imbricate, dry- 

 membranous, the outer short and often woolly. Corolla tubu- 

 lar, 5-toothed. Pappus of 5 or many bristles, naked below, 

 plumose above, slightly united at base into a ring ; in many 

 species a small rim or annulus, exterior to the pappus. 

 Achene glabrous or woolly, sessile, beakless. — Fl. Cap. iii. p. 

 279 (Stoebe and Seriphium, Aiicf.). 



Small, rigid shrvibs or halfshrubs. Leaves crowded, narrow, often pun- 

 gent, very entire, often spirally twisted, woolly and concave within, glabrate 

 externally. Heads in dense tufts or in spikes. Flowers mostly purple or 

 white. — 18 species, dispersed. 



93. PEROTRICHE, Cass. 

 Characters of Steele, except : Pappus ! — Fl. Cap. iii. p. 285. 



P. lortilis, Cass., found on the Cape flats, is so like Steele perotriclioidea 

 in aspect, that it may easily be mistaken for it ; it is always distinguishable 

 by the want of pappus. 



91. TRICHOGYNE, Less. 



Heads several-flowered, moncocious, all the flow^ers tubular ; 

 female marginal, 1-6, among the innermost involucral scales 

 or palc?B ; male numerous, central, 5-toothed. Involucral 

 scales loosely imbricate. Eeceptacles with marginal paleaB, 

 nude in the centre. Pappus in the female flowers ; in the 

 male 1-seriate, of slender bristles, plumose in the upper part. 

 — Fl. Cap. iii. /). 2S5. 



