230 xliv. leguminoSjE. [Millettia 



I have not seen the type of the above species which belongs to the 

 Lower Congo, but the description of it agrees ; No. 1846 is apparently 

 the plant referred to by Baker in Oliv. Fl. Trop. Afr. ii. p. 128 under 

 M. Thonningii. 



14. PLATYSEPALUM Welw. ex Baker in Oliv. Fl. Trop. Afr. ii. 

 p. 131. 



1. P. violaceum Welw., I.e. 



Golungo Alto.— A tree of 10 to 20 ft. with a lax crown, sometimes 

 only a shrub even when in flower ; branches erect or spreading a little ; 

 leaves 1 to 3- or rarely 4-jugate, imparipinnate ; leaflets opposite, 

 chartaceous-coriaceous, of a pale green colour, ovate or obovate-oblong, 

 obtusely acuminate, apiculate, glabrous and shining above, pubescent 

 beneath as well as on the petiolules ; stipels subulate ; flowers of a pale 

 violet colour, in axillary or quasi-terminal panicles ; calyx bibracteolate, 

 bilabiate ; upper lip very broad, elongated, with a thick-nerved back, 

 petaloid, silky, violet-coloured, equalling the standard, obovate, obtuse 

 emarginate or bilobed at the apex ; lower lip deeply tridentate, the 

 lateral lobes ovate-lanceolate acuminate, the middle lobe longer and 

 narrower than the lateral ones ; corolla glabrous, embraced and nearly 

 concealed by the upper plicate tip of the calyx ; standard obcordate, 

 straight at the time of flowering ; wings a little shorter than the 

 standard and keel, elongated-oblong, obtuse, shortly unguiculate, 

 minutely auriculate, somewhat adhering to the keel ; keel obliquely 

 oblong ; stamens 10, diadelphous ; filaments filiform ; anthers broadly 

 oblong, uniform, versatile ; ovary sessile or subsessile, densely silky- 

 pilose, 5-7-ovuled ; style incurved, glabrous ; stigma rather small, 

 obliquely truncate. Bather rare, at the margins of the forests of 

 Sobato de Bumba and of Mussengue ; in flower-bud and fl. Dec. 1854. 

 Also in the secondary thickets between Cambondo and Trombeta, 

 sparingly ; fl. and young fr. Feb. 1855, fr. June 1855. No. 1838. 

 Coll. Carp. 499. 



The Fungus n. 226 grew on the leaflets of this plant. 



15. MICROCHABIS Benth. & Hook. f. Gen! PI. i. p. 501. 



1. M. angolensis Baker in Oliv. Fl. Trop. Afr. ii. p. 132. 



Ptjngo Andongo. — A slender annual herb ; flowers of a deep red 

 colour, the older ones blood-red. Frequent, in open sandy forests, 

 along the banks of the river Cuanza, near Calunda-Quisonde ; fl. Jan. 

 1857. No. 2004. 



16. SESBAN Adans. Fam. PI. ii. p. 327 (1763). Sesbania Scop. 

 Introd. p. 308 (1777), Benth. & Hook. f. Gen. PI. i. p. 502. 



1. S. punctatus DO. Prodr. ii. p. 265 (1825), Baker in Oliv. Fl. 

 Trop. Afr. ii. p. 133 (Sesbania punctata). 



Sesbania (sp.) Welw. Apont. p. 591, n. 109 (1859). Emerus 

 Sesban var. picta O. Kuntze, Bev. Gen. PI. i. p. 181 (1891). 



G-olungo Alto. — A very elegant little tree, wholly herbaceous, 10 

 to 15 ft. high, patently branched from the base to the apex, usually 

 annual ; in damp tall-grassy places and thickets throughout the 

 district ; Mussengue ; fr. April 1855. Varzea grande do Cuango, near 

 Sange ; fl. and fr. May and June 1855 and 1856 and March 1856. 

 No. 1994. 



Pungo Andongo.— A very elegant undershrub, 4 to 5 ft. high, with 



