Vernonia. | LXXIII. COMPOSITR (OLIVER AND HIERN). 277 
nearly white, very slightly tawny.—Webbia ? Smithiana, DC. Prodr. 
v. 72. 
Wile Land. Djur-land (form with broader leaves), Dr. Schweinfurth ! Karagué, 
No. 408 (Speke, Journ. App. p. 637, Vernonia, n. 4), Speke and Grant! 
Lower Guinea. Congo, Chr. Smith! 
20. V. natalensis, Sch. Bip.; Walp. Rep. ii. p. 947. Stem simple, 
erect, striate, 1-2 ft., with the leaves clothed with an appressed silvery 
tomentum. Leaves alternate, linear-oblanceolate to linear, lower rather 
obtuse and mucronate, upper subacute, narrowed to the base, entire, 
strongly nerved beneath with the lateral nerves directed forwards at 
an acute angle, 2-3 in. long, 3-5 lines broad. Capitula 4 to 4 in. in 
expansion, on peduncles of 1-1 in. in silvery-hoary corymbose terminal 
cymes 15-4 in. diam. Receptacle foveolate. Scales lanceolate with 
Setaceous tip, inner oblong apiculate. Anthers bifid at base, contigu- 
ous lobes cohering. Achenes silky obscurely 10-nerved. Pappus 
biseriate, whitish, barbellate, outer shorter.—Webbia aristata, DC. 
Prodr. vy, 73. V. aristata, Schultz Bip. in Flora, 1844, p. 667, non Less. 
Mozamb. Distr. “ Near Moramballa,” Dr. Kirk! 
Also at Natal. 
21. V. uncinata, 0. § H. A stout erect softly pubescent-tomen- 
tose annual 1 ft. or more in height. Stem terete striate, Leaves 
crowded, alternate, broadly ovate obtuse abruptly contracted into a 
winged petiole, crenulate, ranging to 2 in. long and broad ; petiole 
2-} in. Capitula hemispherical, many-flowered, } in. diam., on pedicels 
varying to 1 in. in terminal and axillary cymes. Scales of involucre 
outer small linear acute recurved, inner linear-lanceolate or acuminate 
with recurved tips, obscurely 3-nerved within, pilose. Corolla sessile- 
glandular ; lobes minutely setulose. Anther-base acute. Achenes 
(immature) hirsute, obscurely ribbed. Pappus biseriate barbellate 
white, outer short, inner rigid. 
Wile Land. Abyssinia, fl. April, Dr. Roth! 
22. Vv. Leopoldi, Vatke in Linnea xxxix. p. 478 (1875). Erect 
herb of 2-3 ft., often shrubby below ; branches terete puberulous or 
hoary with a minute crisp tomentum. Leaves ovate to ovate-lan- 
Ceolate, acute, serrate, more or less rounded and then occasionally 
cuneately narrowed into the petiole, minutely subscabrid-hispid above, 
reticulate, hoary-tomentose or sometimes concolorous and thinly 
pubescent, often with scattered sessile glands beneath, 23-4 in. long, 
~2 in. broad ; petiole 2-2in. Capitula }-}-? (in hypoleuca) in. diam. 
numerous broadly campanulate in terminal puberulous or fomen- 
tose corymbose cymes 2-3 to 8-10 in. broad. Involucral scales 
linear-lanceolate acute green or purplish. Anther-cells caudate below. 
chenes varying in length, ;1,—} in., usually acutely 5-angled, often wit 
a few minute scattered hairs above, almost or quite destitute of resin- 
Sands. P, appus scabrous-barbellate, caducous, from within a evry 
‘oothed border.—Cyanopis Leopoldi, Sch. Bip. in Walp. Rep. 2. 949, 
