232 XLiv. LEGUMiNOSiE. [Sesban 



rather rare in moist sandy places near Praia de Zamba Grande ; fl. 

 and fr. 9 March 1858. A shrub-shaped herb, 5 to 8 ft. high, much 

 branched ; principal stems usually 1 inch in diam. but wholly herbace- 

 ous ; flowers yellow ; pods cylindrical, very long, 8-seeded ; in marshes, 

 in company with Typha^ etc., near F. de Conceigao ; fl. and young fr. 

 April 1854. Garden at Loanda, April 1859. No. 1992. Coll. Cakp. 

 387. 



6. S. sphserocarpus Welw. Apont. p. 590, n. 82 [Seshania 

 sphcerocarjxt). 



Seshania sph(Bro8perma Welw. ex Baker, Z.c, p. 135. Cf. Seshania 

 (sp.) Welw, Apont. p. 588 n. 51. Emerus sphcerospermus 0. Kuntze, 

 I.e., p. 181 (1891). 



Loanda. — A slender undershrub, almost a full-sized shrub ; stems not 

 uncommonly woody at the base and persisting for years, 3 to 6 ft. high, 

 patently branched ; stem branches and petioles sparingly muricate ; 

 flowers pale yellow ; standard not dotted ; pods subulate-mucronate, 

 very rigid, undulate-alate on both sides ; seeds globose. Frequent in 

 dry hilly situations, above the city of Loanda ; fl. and fr. end of Feb. 

 1858. Imbondeiro dos Lobos, beginning of July 1858. No. 1991. An 

 undershrub, 3 to 5 ft. high. In the more elevated moist bushy parts of 

 the district ; fr. Feb. 1858. Coll. Carp. 389. 



LiBONGO. — An elegant yellow-flowered undershrub of 4 to 6 ft. In 

 damp thickets at the river Lifune, Oct. 1858 ; at Loanda cultivated 

 fr. Nov. 1860. Coll. Carp. 388. 



The following No. appeared to Welwitsch to be a weak form 

 of this species : — 



Loanda. — An annual prostrate-diffuse herb ; flowers yellowish ; 

 pods flattened along the edge, deeply crenate ; seeds compressed, quad- 

 rangular, not spherical. In flooded places about to dry up, Imbondeiro 

 dos Lobos, very rare ; fl. and fr. 8 June 1858. No. 1993. 



17. COLUTEASTRUM Heister (1732) & ex Fabric. Ennm. PI. 

 Hort. Helmstad. edit. 2, p. 317 (1763). Lessertia DC. (1802); 

 Benth. & Hook. f. Gen. PI. i. p. 503. 



1. C. benguellense. 



Lessei'tia heiiguellensis Baker in Oliv. Fl. Trop. Afr. ii. p. 137. 



Mossamp:des. — An undershrub ; stems numerous, virgate, ascending ; 

 flowers greenish-purple ; calyx campanulate, green, equally 5-toothed ; 

 standard obovate, emarginate at the apex, with the sides folded back- 

 wards, equalling in length the boat-shaped keel, greenish-yellow, marked 

 with purple lines ; wings lanceolate, green-yellowish, thinly marked with 

 purple lines, violet-purple at the apex ; keel yellow-greenish, with a 

 violet-purple beak (half) longer than the wings. Stamens diadelphous 

 (1 and 9) ; ovary stipitate, 5-7-ovuled, naked ; style ascending, com- 

 pressed, rather smooth, not bearded except a fringe of hairs around 

 the apex ; stigma papillose ; pods broadly and obtusely elliptical, com- 

 pressed-flat, scarious, pellucid, 3 to G-seeded, not or scarcely inflated. 

 In rocky stony places in the desert, the rocks being composed of hard 

 red sandstone, at the base of Serra de Montes Negros ; fl. and fr. 

 10 August 1859. No. 1986. A perennial herb, 1 to 2 ft. high ; stems 

 numerous ; leaves imparipinnate ; flowers reddish ; pods compressed, 

 scarcely inflated. In stony places in the Mossamedes desert ; fr. 

 August 1859. Coll. Carp. 113. 



