232 xliv. leguminosa [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 Conceicao ; fl. and young fr. 

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

 387. 



6. S. sphserocarpus Welw. Apont. p. 590, n. 82 (Sesbania 

 spJusrocarpa). 



Sesbania sphcerosperma Welw. ex Baker, I.e., p. 135. Of. Sesbania 

 (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. COLUTEASTKUM Heister (1732) & ex Fabric. Enum. PL 

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

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



1. C. benguellense. 



Lessertia benguellensis Baker in Oliv. Fl. Trop. Afr. ii. p. 137. 



Mossamedes.— 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 6-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. 



