668 Lxxxii. APOCYNACE.E. [Tabemcinthe 



a small tree 8 to 12 ft. high, rarely 15 ft., bare to the top of the slender 

 trunk of 5 to 6 ft., then patently branched ; branches and branchlets 

 dichotomoixs, compressed at the nodes ; leaves thinly coriaceous or 

 membranous, a little fleshy, dark green, soft and rather glossy above, 

 pale yellowish-green and rather shining beneath ; stipules interpetiolar, 

 inside with dense rows of whitish cilia ; flowers yellow ; calyx 5-cleft, 

 the lobes keeled, imbricate, corolline-yellowish, closely investing the 

 base of the corolla ; corolla somewhat salver-shaped, sulphur-coloured ; 

 the tube dilated below, fleshy, gradually constricted towards the throat ; 

 the limb 5-cleft ; the segments patent during the flowering, soon 

 revolute, contorted dextrorsely (as seen from above) in aestivation, 

 unequal-sided, the outer side undulate ; stamens inserted below the 

 middle of the corolla-tube (where it is dilated) ; filaments scarcely 

 any ; anthers subsessile, sagittate, shortly aristate at the apex, sur- 

 rounding the stigma in a pyramidal manner ; ovary ovoid, entire, 

 obsoletely bisulcate, unilocular ; placenta central, multi-ovulate ; style 

 firm, cylindrical, bearing at the apex the ovoid-acuminate stigma which 

 is situate upon a very broad membranous disk ; ripe fruit as large as a 

 pigeon's egg, like a lemon in its shape and golden colour. In small 

 vpoods, occupying the deepest cracks of the rocks of the praesidium ; fl. 

 Nov. 1856 ; also in the primitive thickets of Barrancosda Pedra Songue 

 in the praesidium, at the Cazalale', rather rare, fl. and fr. Dec. 1856, 

 Feb. and April 1857. No. 5950. An evergreen little tree ; flowers 

 yellow ; fruit consisting always of only one follicle, straight on the 

 peduncle, in form and colour like a small lemon. In damp forests 

 in the praisidium ; fl. Dec. 1856, fr. Feb. 1857. Coll. Carp. 728. 



9. VOACANGA P. Thouars in Roem.Coll. Bot.p. 203, n. 32 (1809). 



1. V. angolensis Stapf ms. in Herb. Kew. 



V. africana Stapf in Journ. Linn. See. xxx. p. 87 (partly) (1894). 



Ambaca. — A milky shrub of 5 to 7 ft. ; stems erect, rather much- 

 branched ; branches spreading, almost uniformly dichotomous, marked 

 with the scars of fallen leaves, copiously flowering ; leaves thinly 

 coriaceous, rather fleshy, shining, deep green ; flowers deep sulphur- 

 yellow, attractive. In bushy hilly places between N-gombe and Puri- 

 Cacarambola ; fl. middle of Oct. 1856. No. 5978. 



GoLUNGO Alto. — A small tree abounding in a milky viscid juice ; 

 leaves sub-coriaceous, glossy above ; flowers sulphur-yellow ; follicles 

 (by abortion usually solitary on each peduncle, which becomes woody 

 compressed and two-edged as the fruit ripens), of the size of a small 

 apple, pale yellow, subglobose, somewhat striate, obliquely umbonate, 

 filled with a yellow pulp and embedded seeds, dehiscing on one side 

 from the base to the umbilicus. In wooded rather elevated places 

 near Canguerasange and Quilombo ; fl. Nov. 1854. No. 5979. An 

 arborescent shrub, evergreen ; flowers sulphur-yellow ; follicles as large 

 as a hen's egg, ovoid-claviform, many-seeded. Queta ; seeds, May 1856. 

 Coll. Carp. 720. A small tree of 6 to 9 ft., patently branched, in 

 secondary thickets usually a shrub ; stems and all parts, even the fruit, 

 abounding in a thick milk ; flowers sulphur-yellow ; fruit drupaceous, 

 as large as a walnut, usually two together ou the peduncle, unilocular ; 

 seeds very numerous, embedded in pulp. In shady forests among the 

 mountains of Quibixe, etc., plentiful ; fl. and young fr. Nov. and Dec. 

 1855. No. 5980. A broadly frondose tree of 15 to 20 or rarely of 

 25 ft., in secondary woods about 20 ft. high, or an arborescent shrub ; 

 flowers flaxen yellow. Queta, fr. May 1856 ; Mussengue, fr. July 1857. 

 Coll. Carp. 721. No notes. Coll. Carp. 956. A small tree or 



