518 LXXi. COMPOSITE. [Vernonia 



and lateral veins slender ; margin denticulate with short subulate 

 teeth directed forward in continuation of a veinlet ; capitula 

 campanulate, -I to i in. in diaroeter, about 40-flowered, on unequal, 

 short or very short densely hispidulous often bracteate pedicels, 

 arranged in compound thyrsoid terminal oblong obtuse cymes 

 4 to 6 in. in diameter ; bracts sub-linear, hairy ; involucral scales 

 pluriseriate, sublinear or lanceolate, pointed, beset with whitish 

 curly hairs outside, glabrous inside, more or less apiculate, 

 becoming more or less squarrose at the tips in fruit ; the outer 

 scales short and sublinear, the inner longer and linear- lanceolate, 

 the innermost longest and lanceolate or sublinear, persistent, 

 ^ in. long ; corolla purple or rose-purple, i in. long, narrowly 

 funnel-shaped, scattered with minute glands outside, shortly 

 5-Iobed, the lobes lanceolate ; anthers with lanceolate tails at 

 their base, the apical appendages lanceolate; style-branches 

 slightly puberulous, tapering ; achene -^^ in. long, unequally 

 tetragonous, 4- or .5-ribbed, glabrous on the ribs, glandular and 

 hispidulous between the ribs ; pappus biseriate, whitish or some- 

 what sordid, outer row short, narrowly paleaceous, cut on the 

 margin ; inner row setaceous, i in. long, the setae barbellate, 

 narrower than those of the outer row; receptacle nearly flat, 

 narrow, areolate. 



GoLUXCiO Alto. — In Serras de Bumba and at the outskirts of the 

 forests of Sobato de Mussengue ; fl. and fr. Aug. 1855. Also by 

 wooded thickets in Sobato de Mussengue, rather rare ; the leaves 

 destroyed by insects ; fr. June 1856. No. 3296. 



Ambaca. — By thickets along the left bank of the river Caringa, 

 abundant but only one specimen seen in fl. June 1855. No. 3298- 



PuNGO Andongo. — In thickets on the island of Calembe in the river 

 Cuanza, sporadic ; fl. March 1857. Only one specimen. No. 3297. 



As the account of this species in the Flora of Tropical Africa 

 was taken from the comparatively poor specimen collected by 

 Consul Burton in the Congo district, and as Welwitsch's specimens 

 greatly extend our knowledge, a detailed description Ls here 

 supplied. 



4. V. pandurata Link, Enum. Hort. Berol. ii. p. 296 (1822) ; 

 O. & H. in Oliv. Fl. Trop. Afr. iii. p. 271. 



AiiBPaz.— An annual herb, 6 to 15 in. high, growing in dens^ masses, 

 corymbosely branched above ; involucral scales and corollas bright 

 purple. Abundant on sandy plains between Mossul and the town of 

 Ambriz, gathered in flight under pursuit by the stone-throwing 

 Musuls ; fl. and fr. Nov. 1853. No. 3316. 



LoAXDA, Barra do Dande, and Barra do Bengo. — An erect 

 branched herb, 1| to 2, or even 3 to 4 ft. high, with pretty purple 

 flowers. In moist fields between Quicuxe and Teva ; fl. and fr. July 

 and Aug. 1858. No. 3317- Flowers light-blue or reddish-brown. In 

 damp bushy places at the river Bengo near Quifandongo ; fl. and fr. 

 Dec. 1853. No. 3318. 



GoEUNGO Alto. — Among scanty bushes on the left bank of the 

 river Quiapoze by the road leading to Mussengue, rather rare ; late 

 fl. and fr. beginning of Oct. 1855. No. 3319. An erect herb, 2 to 



