562 226. COMPOSITAE 



180. Pappus-bristles feathery. Heads in glomerules. Herbs. — Species - 



2. South and North Africa Lasiopogon Cass. 



Pappus-bristles not feathery 181 



181. Fruits with a long beak. Herbs. Leaves radical or opposite. Heads 



solitary. — Species i. Island of Tristan da Cunha. Chevreulia Cass 

 Fruits without a beak 182 



182. Heads 4 — 8-flowered, cylindrical, in dense cymes arranged in panicles. 



Undershrubs. (See no.) Achyrocline Less. 



Heads many-flowered, hemispherical ovoid or campanulate. . . . 183 



183. Anthers very shortly tailed. Shrubs or undershrubs. Heads solitary 



or in long-stalked glomerules. — Species 15. North and Central Africa. 



Phagnalon Cass. 

 Anthers distinctly tailed. Herbs. — Species 50. " Cudweed." 



Gnaphalium L. 



184. (176.) Heads i-flowered 185 



Heads 2- or more -flowered 188 



185. Flowers partly hermaphrodite, partly female. Pappus of feathery 



bristles. Heads in glomerules. Shrubs. (See 168.) Disparago Gaertn. 

 Flowers all hermaphrodite 186 



186. Pappus wanting. Heads in glomerules. Shrubs. — Species 2. South 



Africa Perotriche Cass. 



Pappus formed of bristles 187 



187. Pappus-bristles feathery. Inner involucral bracts scarious. Heath-like 



shrubs. — Species 35. Southern and tropical Africa. . . Stoebe L. 

 Pappus-bristles feathery only at the ape.x or not feathery. Involucral 

 bracts scarious, coloured. Heads in panicled cymes. Herbs. — 

 Species 12. Madagascar, Mauritius, and South Africa to Damaraland. 

 Some are used medicinally Stenocline DC. 



188. Pappus wanting. Heads 2 — 3-flowered, in leafy corymbs 189 



Pappus formed of bristles 190 



189. Leaves small. Undershrubs. — Species i. Madagascar. Syncephalum DC. 

 Leaves rather large. Shrubs. Involucre woolly at the base. — Species i . 



Madagascar Astephanocarpa Bak. 



190. Pappus-bristles feathery from the base 191 



Pappus-bristles feathery at the tip only or not feathery 192 



191. Heads 2— lo-flowered. Heath-like shrubs. — Species 3. South Africa. 



Pterothrix DC. 

 Heads many-flowered. Involucral bracts scarious, coloured. Not heath- 

 like plants. (See 84.) Helipterum DC. 



192. Pappus-bristles in I row 193 



Pappus-bristles in 2 or more rows 197 



193. Pappus-bristles with bladdery inflated cells at the tip. Heads small, 



in glomerules. Prostrate herbs. — Species i. South Africa. 



Eriosphaera Less. 

 Pappus-bristles without bladdery inflated cells 194 



