270 LXXiTi. composttj: (oltver and hiern). [Vernonia. 



Leaves petiolate. Heads 10-18-flo wared ... 70. V. conferta. 



Leaves sessile. Heads 8-flowered 71. V. theophrasHfolia. 



Shrubs about 6 feet high. 



Panicle loosely pyramidal. Heads | in. diani., 



^ in. long 72. F. Doniana. 



Panicle densely corymbose. Heads ^ in. diam., 



\ in. long 73. r. Thomsoniana. 



Herb, 3-4 feet high 74. F. Living stoniana. 



Achenes more or less hairy. 



Leaves auriculate at the base, sessile . . . •. . . . 75. V. myriocejphala. 

 Leaves narrowed at the base, petiolate. 



Lower surface of the leaves hoary-tomentose .... 76. F. podocorna. 

 Lower surface of the leaves puberulous or glabrate. 



Petioles tawny-velvety 77- F. FrancavUlana. 



Petioles pubescent or glabrate 78. F. myriantha. 



1. V. jugraliB, 0. 8r H. Herb 7-8 feet. Branches striate, 

 puberulous below, tomentellous above. Leaves obovate or oval, cuspi- 

 date-acuminate, attenuate below into a short petiole, subglabrous 

 above, softly tomentellous below, 1-3 by ^f in. Heads campanulate, 

 about 30-flowered, ^— ^ in. long, on bracteolate pedicels ranging up to 

 j in., in a dense corymbose cyme of 6 in. diameter ; bracteoles linear- 

 setaceous, minute. Involucral bracts multiseriate, linear or the outer 

 ones linear-lanceolate, acute or apiculate or the innermost obtuse, 

 puberulous, the outer successively shorter, the outermost minute. 

 Flowers rose-lilac. Achenes -^jy in. long, 10-ribbed, the ribs sometimes 

 approximated in pairs, setulose between the glabrous callous ribs. 

 Pappus duplex, subrufous, the inner setiform nearly ^ in. long scabrous, 

 the outer very short of somewhat squamiform setse. Receptacle not 

 alveolate. 



irortli Central. Monbuttu-land, Schweinfurtk ! 



2. V. Blafi'8B, 0. ^ H. A climbing shrub 10-15 ft. high. 

 Branches subangular, striate, puberulous. Leaves alternate, ovate, 

 acute, narrowed at base into petiole, thinly membranous, sinuate 

 denticulate or subentire, nearly glabrous, minutely glandular, 

 l;J-2^ in. long by i-l^ in. wide ; petioles ^— J in. long. Gapitula cam- 

 panulate, 12-15-flo"wered, ^-^ in wide, on pedicels ^— ^ in. long, in ter- 

 minal rather lax hemispherical panicles 4-6 in. in diameter. Scales of 

 involucre pluriseriate, outer lanceolate, inner narrowly elliptical, 

 1-nerved, blunt or subapiculate, pubescent and glandular outside ; inner 

 caducous. Receptacle areolate glabrous. Corolla gradually narrowed. 

 Achenes 5-costate, with a few scattered intercostal setae. Pappus 

 duplex, scabrid, white ; inner setae caducous, outer short narrowly 

 linear-lanceolate ciliate. 



Upper Guinea* Cameroon Mountains, fi. December, Mann ! 



3. V. atrlpUcifolia, Jauh. et Spacli III. PI. Or. iv. p. 94, t. 359 ; 



non S&nd. A small shrub ranging up to 3 ft. high with numerous dicho- 

 tomous spreading branches, covered as well as the leaves and involucre 

 with close whitish sericeous stiff hairs and scattered with sessile glands. 



