Vernonia. | LXXIII. COMPOSITZ (OLIVER AND HIERN). 295 
tacle narrow, glabrous, Achenes apparently glabrous. Pappus uni- 
seriate, dense, scabrid, equal, subsordid, in bud not exceeding the 
involucre. 
Wile Land. Niamniam-land, Nahambosso, Schweinfurth! 
72. V. Doniana, DC. Prodr. v. p. 23. Shrub of 6 ft.; branches 
terete, rusty-tomentose as well as the underside of leaf-midrib petioles 
and peduncles. Leaves elliptical, more or less acute at both ends, entire, 
glabrous except midrib, uppermost 4 in. long, 14-14 in. on petiole of 
34 in. Capitula about 10-flowered, campanulate-turbinate, } in. diam., 
on pedicels equalling the involucre or subsessile in pedunculate racemes 
or dense few-headed clusters arranged alternately along the branches 
of the ample terminal panicle ; bracts oblong or lanceolate, 4-4 in. long. 
Scales of the involucre pluriseriate, from ovate to ovate-oblong, nearly 
glabrous, brown, darker towards tip; inner ones caducous, broadly 
pointed, divergent. Receptacle narrow flat glabrous. Corolla gra- 
dually narrowed ; lobes linear-lanceolate. Anther-base rather obtuse, 
apex lanceolate, acute. Achenes 4-5-angled, with obscure interme- 
diate ribs, glabrous. Pappus subscabrid, with few irregularly shorter 
sete, pale tawny colour or white.—Eupatorium paniculatum, Lindl. in 
b.! nec anct. alior. 
Upper Guinea. Sierra Leone, Leinster Mount, Miss Turner! G. Don! 
73. V. Thomsoniana, 0. § H. ex Oliv. in Trans. Linn. Soc. 
Lond. xxix, p- 91. Shrub; branches sulcate, obscurely angular 
and puberulous above. Leaves alternate, submembranous, elliptic-ob- 
long, acute, attenuate at base into/the narrowly winged petiole, obsolete- 
serrulate, glabrous or obscurely sessile-glandular, puberulous beneath, 
in. long, 1-13 in. broad. Capitula campanulate-oblong, ¢ in. diam., 
ou slender unequal usually very short puberulous pedicels, closely 
Crowded in corymbose terminal panicles, 4 ft. wide. Scales of invo- 
lucre multiseriate; outer smaller, ovate; inner obovate-oblong, cadu- 
Cous, obtuse, erose or denticulate, pale-yellowish green, nearly glabrous. 
Ceptacle naked. Corolla gradually narrowed. Anther-base acutely 
Produced. Achenes (immature) not setulose, with 5 distinct ribs (and 
a few obscure ones P), intervals with scattered minute sessile glands ; 
callus-based. Pappus uniseriate, scabrid, white.—V. Vogeliana, Thoms. 
in Speke et Grant, Journ. App. 637 (non Benth.) 
Wile Land. Madi, fl. Dec. (Salt-bush), Speke and Grant! Mittu-land, 
Schweinfurth ! (large shrub). 
74, Livingstoniana, 0. § H. Erect perennial herb, 3-4 ft. 
high, Somewhat shrubby below. Stem simple, terete, striate, straight, 
puberulous, naked below, leafy above. Leaves alternate, ovate or 
Ovate-lanceolate, acute, narrowed at base, denticulate or subentire, pu- 
rulous or nearly glabrous above, shortly and closely pubescent- 
tomentose beneath, ranging up to 3 in. long by 1} m. wide ; petioles 
¥P.to + in. long, hairy. Capitula campanulate-oblong, about 6-flowered, 
i. wide, on short pedicels, crowded in globose or corymbose clusters 
terminating the upper branches and arranged in a terminal leafy 
