LXX. COMPOSIT.l^. 191 



toothed, bisexual. Involucre at first oblong, with short, leafy, 

 villous accessory scales or bracts ; the true scales long, sca- 

 rious, shining, at length spreading. Receptacles nude, flat. 

 Achenes ovate, very villous, sessile, crowned with a glabrous, 

 thick beak. Pappus pilose, of roughish bristles, in several 

 rows. — Fl. Cap. m. p. 272. 



P. xeranthemoides, DC, is a little-known, villous and canescent half- 

 shrub, with sessile, lanceolate or oblong, callous-tipped, entire, crowded 

 leaves ; and straw-coloured involucral scales. 



87. ELYTROPAPPUS, Cass. 



Heads 2-S-flowcred, homogamous. Involucral scales ob- 

 long, imbricate, horny. Receptacles nude. Achenes beakless, 

 sessile. Pappus of several, broad-based bristles, united in a 

 ring at base, plumose in their upper half, with a very minute 

 or rarely a cup-shaped, external rim. — Fl. Cap. iii. p. 273. 



Much-branched shrubs, growing in dry ground. Leaves minute or 

 heath-like, mostly spirally twisted, more or less glandular and strongly 

 scented. Heads small, subsessile in the axils of the upper leaves, solitary 

 or few together, as if spiked. — 6 species, chiefly Western ; one of them, the 

 " Rhinoster Bosch," is the pest of the farmer, and finds its way every- 

 where. 



88. PTEROTHRIX, DC. 



Heads 3-10-flowered, homogamous. Other characters as in 

 Amphicjlossa. — Fl. Cap. iii. p. 275. 



Small, spinous or unarmed shrubs, similar in liabit to the next genus. — 

 3 species, dispersed. 



89. AMPHIGLOSSA, DC. 



Heads G-20-flowered, heterogamous, radiate ; ray-flowers 

 ligulate, sometimes very minute and shorter than the involu- 

 cre ; disk-flowers bisexual, 5-toothed. Involucre cylindri- 

 cal, imbricate, scarious. Receptacles nude. Achene glabrous. 

 Pappus of many, very slender, deciduous, separate bristles, 

 closely and amply feathered through their whole length, with 

 or without a minute, external annulus. — Fl. Cap. \i\.p. 27G. 



Small, much-branched shrubs. Leaves small, linear or subulate, glabrous 

 and convex externally, woolly witliin, with inflcxed edges. Heads sessile, 

 terminal. — 3 species, dispersed. 



90. BRYOMORPHE, Harv. 



Heads scveral-flowerod, radiate ; ray-flowers few, ligulate, 

 female ; disk-flowers bisexual, .5-toothed. Involucre imbricate 

 in few rows, the scales linear, separate, caducous. Receptacles 

 naked. Anthers tailed. Style-arms truncate. Achene gla- 

 brous, beakless, sessile. Pappus of several, slender, scabrous 



