270 LXXIII. COMPOSITE (OLIVER AND HIERN). [ Vernonia. 
Leaves petiolate. Heads 10-18-flowered . . . 70. V. conferta. 
Leaves sessile. Heads 8-flowered. . . . . . 71. V. theophrastifolia. 
Shrubs about 6 feet high. 
Panicle loosely pyramidal. Heads } in. diam., 
Sin.long 2... ee we ee ee 72, Ve Doniana. 
Panicle densely corymbose. Heads 2 in. diam., 
din.long 2... 1. we ee 78, %V. Thomsoniana. 
Herb, 3-4 feet high . . . . . . . . 1). « 74. %V. Livingstoniana. 
Achenes more or less hairy. 
Leaves auriculate at the base, sessile . . . . . . . 75. V. myriocephala. 
Leaves narrowed at the base, petiolate. 
Lower surface of the leaves hoary-tomentose. . . . 76. V. podocoma. 
Lower surface of the leaves puberulous or glabrate. 
Petioles tawny-velvety . 2. . . 2. . ew. 77. SV. Francavillana. 
Petioles pubescent or glabrate . . . . . . . . 78. V. myriantha. 
1. V. jugalis, O. & H. Herb 7-8 feet. Branches striate, 
puberulous below, tomentellous above. Leaves obovate or oval, cuspl- 
date-acuminate, attenuate below into a short petiole, subglabrous 
above, softly tomentellous below, 1-3 by 3-3 in. Heads campanulate, 
about 30-flowered, 3-4 in. long, on bracteolate pedicels ranging up to 
2 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 ,/5 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, 
i ey very short of somewhat squamiform sete. Receptacle not 
alveolate. 
Worth Central. Monbuttu-land, Schweinfurth ! 
2. V. Biafre, 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, 
1}-24 in. long by 4-14 in. wide; petioles 4-1 in. long. Capitula cam- 
panulate, 12-15-flowered, }-2 in wide, on pedicels 4-4 in. long, in ter- 
minal rather lax hemispherical panicles 4-6 in. in diameter. Scales 0 
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 sete. Pappus 
duplex, scabrid, white; inner sete caducous, outer short narrowly 
linear-lanceolate ciliate. , 
Upper Guinea. Cameroon Mountains, fl. December, Mann! 
3. V. atriplicifolia, Jaub. et Spach Ill. Pl. Or. iv. p. 94, t: 359 ; 
non Sond, 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. 
