226. CÜMPOSITAE 559 



143. Pappus of scales united into a small crown. Heads in compound heads 



collected in heads of the third order. — Species i. East Africa. 

 r Triplocephalum O. Hoffm. 

 Pappus of bristles or of scales and bristles 144 



144. Pappus of scales and bristles. Fruits hairy. Heads in leafy panicles, 



red-flowered. — Species 2. Central Africa. . Porphyrostemma Grant 

 Pappus of bristles 145 



145. Female flowers in one row. Inner involucral bracts membranous. Heads 



in leafy panicles. Undershrubs. — Species i. Southern West Africa 



(Damaraland). (Under Pluchea Cass.) Pechuel-Loeschea O. Hoffm. 



Female flowers in several rows 146 



146. Fruits compressed. Pappus of 3 bristles. Heads solitary or few to- 



gether. Undershrubs. — Species 4. Central Africa. 



Nicolasia S. Moore 

 Fruits terete or angular 147 



147. Heads in glomeniles arranged in corymbs. Shrubs. (See 129.) 



Monarrhenus Cass. 

 Heads solitary or in panicles or corymbs 148 



148. Involucral bracts narrow. Herbs. (See 130.) . . . Blumea DC. 

 Involucral bracts broad. Shrubs or undershrubs, rarely herbs. (See 



130.) Pluchea Cass. 



149. (134.) St3^1e-branches of the hermaphrodite flowers blunt or rounded ; 



marginal rows of stigmatic papillae confluent at the apex. Female 

 (marginal) flowers with a strap-shaped corolla, rarely with a tubular 

 one or wanting. [Tribe INULEAE, subtribe inulinae.] . . . 150 

 Style-branches of the hermaphrodite flowers usuall}^ truncate ; marginal 

 rows of stigmatic papillae not confluent at the apex 166 



150. Pappus ring-shaped. Heads solitary. Herbs. — Species 3. West 



Africa Mollera 0. Hoffm. 



Pappus of scales or bristles or of both 151 



151. Pappus of scales 152 



Pappus of bristles or of scales and bristles 153 



152. Pappus-scales 3 — 5. Heads with all the flowers hermaphrodite, arranged 



in panicles. Climbing shrubs. — Species i. South Africa. 



Anisochaeta DC. 



Pappus-scales 10. Heads in leafy panicles. Herbs. — Species 4. Central 



and South-west Africa Calostephane Benth. 



153. Pappus of sometimes feathery bristles 154 



Pappus of scales and bristles 161 



154. Ray-flowers white, blue, or red. Pappus-bristles in several rows. Shrubs. 



— Species 7. South Africa. Some are used medicinally. Printzia Cass. 

 Ray-flowers yellow or wanting I55 



155. Ray-flowers sterile. Receptacle pitted. Pappus-bristles in several ro\ys. 



Undershrubs. — Species i. South Africa. . . Cypselodontia DC. 

 Ray-flowers fertile. . 156 



