Pegolettia. | LXXIII. COMPOSITZ (OLIVER AND HIERN). 361 
1. P. senegalensis, (ass. ; DC. Prodr. v. p. 481. Annual, pa- 
niculately branched, scaberulous, with short crisp hispid hairs, subglu- 
tinous above, 3-2 ft. high; branches snbterete, striate. Leaves linear 
or oblanceolate, deltoid or subacute at apex, usually apiculate, gradu- 
ally narrowed towards the base, sessile, entire or with a few irregular 
remote teeth above, 4-14 in. long by y4-4%; in. wide; uppermost 
smaller, bract-like, subulate. Capitula campanulate, 18-30-flowered, 
$+ in. long, solitary at the ends of the numerous pedunculiform 
branches. Scales of the involucre pauciseriate, acute, falling short of 
the florets; inner linear-lanceolate, with scarious margins; outer 
shorter, linear-subulate, often recurving. Receptacle alveolate ; mar- 
gins of alveoli toothed. Florets at first yellow, at length purple. 
Achenes oblong, 2 in. long, 10—12-costate, with scattered rather rigid 
hairs, Pappus biseriate, subfulvous ; inner subplumose; outer 3 as 
long, subpaleaceous, multifid.—Jaub. et Spach, illustr. Pl. Orient. lv. 
p. 68, t. 841; Kuhnia arabica, Hochst et Steud. in Hb. Schimp. 
Arab. Fel. n. 863 ! ; DC. Prodr. vii. 267. 
Upper Guinea. Senegambia, Roger’! Perrottet. Brunner! ' 
North Central. Kouka, E. Vogel! 
Nile Land. Nubia, Kotschy! ? Abyssinia, Roth. 
Occurs also in Tropical Arabia, Cape Verde Islands, Scinde, ete. 
2. P. mucronata, Benth. in Hook. Niger Fl. p. 432. Herba- 
ceous, 1} ft. high or more, paniculately branched ; upper parts scaberu- 
lous with short crisp hispid hairs, subglutinous; branches terete, 
striate, ascending. Leaves linear or linear-oblanceolate, usually obtuse, 
mucronate, gradually narrowed towards the base, sessile, entire or 
with 1-2 irregular remote teeth above ; upper 3-4 in. long by 7y-g in. 
Wide ; uppermost smaller, filiform, subulate, bract-like. Capitula widely 
Campanulate, 1-2 in. long, solitary at the ends of the pedunculiform 
branches. Scales of the involucre pauciseriate, acute, falling short of 
the florets ; inner linear-lanceolate ; outer shorter, linear- or filiform- 
subulate ; outermost recurving. Receptacle foveolate. Achenes oblong, 
T-7 In. long, about 10-costate, pubescent. Pappus biseriate ; inner 
subplumose, of the outer achenes turning greenish in drying; outer 
Pappus shorter, setaceo-multifid, subfulvous. 
ower Guinea. Elephant Bay, Renguela, Curror/ 
carcely a different species from the former. 
45. VICOA, Cass.; Benth. et Hook. f. Gen. Pl. ii. p. 334. 
Capitula hemispherical, heterogamous, radiate, many- flowered, ray- 
Orets narrow ligulate 9, sometimes wanting. Involucral bracts 
Puriseriate, narrow, imbricate more or less, scarious, finely pointed. 
Ceptacle naked. Corolla of hermaphrodite florets tubular 5-toothed. 
nther-base sagittate with fine tails. Achenes oblong or ellipsoidal, 
Pubescent or glabrous, not or scarcely costate. Pappus 1-seriate, 
few or indefinite.—Herbs with alternate entire or toothed leaves, 
and yellow pedunculate solitary or cymosely panicled capitula. 
