190 LXX, COMPOSITiE. 



Involucral scales in few rows, linear, enveloped in wool. 

 Eceeptacle nude. Aclienes narrow-obovate, angular, o;ranu- 

 lated. Pappus caducous, of few, very slender,]iair-lilve bristles, 

 smooth below, towards the apex beaded with swollen, roundish 

 cells.— FL Cap. iii. p. 204 ; Tkrs. Cap. t. 149. 



^. Octdits-Catif Less., the only species, is a small woolly annual, with 

 wiry stems and obovate, scattered leaves. Only found by Thunberg ; the 

 locality unknown. 



83. LASIOPOGON, Cass. 



Heads glomerated, many-flowered, heterogamous, the mar- 

 ginal flowers filiform, female, in one or more rows ; disk- 

 ilowers 5-toothed, bisexual. Involucral scales in few rows, li- 

 near, scarious, immersed in wool. Heceptacles ]iude. Achenes 

 obovate, subcompressed, glabrous. Pappus in 1 row% plumose, 

 with very long plumes. — Fl. Cap. iii. p. 264 ; Thes. Cap. t. 150. 



Small annuals, with the aspect of Eriosphcera, but a very different pappus. 

 — 2 Cape species. 



84. METALASIA, E. Br. 



Heads few- or many-flowered, homogamous ; all the flowers 

 tubular, 5-toothed, bisexual. Involucral scales closely imbri- 

 cated, the outer shorter, often acute or acuminate, inner 

 mostly dilated and coloured at apex, dry and rigid. Receptacles 

 nude. Young achene tapering to each end, somewhat stipitate 

 and beaked ; ripe achenes sessile. Pappus 1-seriate, of several 

 rather broad, serrulate or clavate bristles. — Fl. Cap. iii. p. 2G5. 



Ei'ect or spreading, small shrubs. Branches closely leafy throughout. 

 Leaves alternate, sessile, coriaceous, linear or oblong (small), with involute 

 margins, concave and woolly above, convex and mostly glabrous beneath, 

 very frequently spirally twisted and pungent. Heads mostly corymbose or 

 fascicled, having in 2 species from 100 to 200 flowers, in all tJie others fi'om 

 3 to 10 flowers. — 20 species, dispersed. 



85. LACHNOSPERMUM, AVilld. 



Heads many-flowered, homogamous, discoid. Involucre 

 turbinate, the scales closely imbricate, ^^'ith subpungent tips. 

 Receptacles with a few marginal palere. Corolla tubular, 5- 

 t<jothed. Achenes oblong, angular, the young ones villous at 

 the angles, the full-grown densely hairy. Pappus 2-seriate, 

 of slender, serrulate bristles. — Fl. Cap. iii. p. 272. 



A slender straggling shrub, with spreading branches, leafy to the summit. 

 Leaves minute, linear-terete, obtuse or mucronulatc, slightly twisted, witli 

 axillary leaf-tufts, margins involute as in Metalasia. Heads solitary or sub- 

 corymbose. — L. ericoides, W., the only species, grows in Namaqualand. 



8G. PACHYRHYJ^CHUS, DC. 

 Heads about 10-flowered, homogamous, all the flowers 5- 



