286 LXXIII. COMPOSITE (OLIVER AND HIERN). [ Vernonia. 
brate and angular above, about a foot high. Leaves linear, subsessile, 
nearly or quite glabrous, subapiculate, narrowed toward the base, 
green on both sides, 4-2 by ;1,-4 in., entire, minutely punctate below. 
Heads turbinate-hemispherical, 3—? in. diam., on rigid peduncles of 
4-3 in., solitary or in stiff corymbose cymes. Involucral bracts linear, 
apiculate, puberulous, the outer ones acute and successively shorter, 
the outermost ones minute. Flowers reddish violet. Achenes very 
hairy, 10 ?-costate. Pappus rufous, pluriseriate. 
Nile Land. Bongo-land, Djur-land and Mittu-land, Schweinfurth ! 
46. VW. obconica, 0. § H. Branches terete, striate, more or less 
pubescent. Leaves alternate, oval, narrowed at both ends, very shortly 
petiolate, nearly glabrescent, distantly dentate, 14-3 in. long by +1 
in. wide or more, scattered beneath with minute sessile glands. Cap- 
tula turbinate, several-flowered, on pedicels about 3—2 in. long, in dense 
corymbose many-headed cymes 4-6 in. wide. Scales of involucre 
puberulous with scabrous margins ; the outer ones rigid, erect, subulate, 
small; the inner ones linear, acute at the very apex, 3 in. long, ulti- 
mately spreading. Receptacle narrow. Achenes about 10-costate, 
columnar, slightly narrowed below, uniformly and shortly hirsute. 
Pappus 2—4-seriate, barbellate, rufous ; setae unequal, outer shorter. 
South Central. Lake Tanganyika, Cameron! 
Mozamb. Distr. Zanzibar (a fragmentary specimen only), Capt. Burton! 
Perhaps a variety ; without glands on the lower surface of the leaves. 
47. VW. glabra, Vatke in Oesterr. Bot. Zeitschr. xxvii. p. 194 
(1877). Glabrous herb, probably 2-3 ft. high; stem erect angular 
above, leafy. Leaves alternate, oblanceolate-oblong, sessile or subsessile, 
broadly pointed, rounded or obtuse at the base, serrate, membranous, 
lower 3-4 in. long, 1 in. broad. Capitula turbinate 3-3 in. diameter 
on unequal slender pedicels varying to 3 in., in terminal corymbose 
panicles }-1 ft. diameter. Bracts minute acute. Scales of involucre 
very unequal, pluriseriate, rather loosely appressed, linear-lanceolate, 
acute, sub-l-nerved, minutely ciliolate with ascending setee, lower scales 
minute, glandular-puberulous above. Receptacle glabrous, flat, areolate. 
Corolla gradually narrowed, purple. Anther-base produced. Achenes 
hirsute, multi- (10-)costate, callus-based. Pappus reddish-brown, 
barbellate, rigid, pluriseriate ; setes unequal, outer somewhat shorter.— 
Linzia glabra, Steetz in Peters Mossamb. Bot. 353. 
South Central? Lat. 23°, Chapman and Baines! : 
Mozamb. Distr. Zambesi and Shire, Drs. Kirk and Meller! fl. and fr. 10 
January ; Shupanga, Dr. Stewart ! Sena, Peters ! 
43. V. inulefolia, Steud.; Rich. Fl. Abyss. i. 375. Stem branched 
at base, erect, terete and nearly simple above, scabrous, striate, 1-2 ft. 
high, closely leafy. Leaves alternate, erect, ovate or lanceolate above; 
acute or shortly acuminate, rounded or narrowed at base, submembran- 
ous, often remotely serrulate, 1-4 in. long by 4-14 in. wide, petioles 
dilated and somewhat clasping at the base, abont 41, in. long, pubescent. 
Capitula -% in. diameter, many-flowered, on short scabrid pedicels, 
