] LXXXIV. APOCYNACEiE (sTAPF). 209 



in Hook. Ic. PI. t. 2342 ; K. Schum. in Engl. & Prantl, Planzenfam. 

 iv. ii. 172 ; Hua in Bull. Soc. Linn. Paris, 2 ser. i. 10. 



Upper Guinea. Southern Nigeria : by the Old Calabar River, Mann, 2258 ' 

 Cameroous : Bipinde, Zenker, 1056 ! 1902 ! 



Xiower Cruinea. Gaboon : Libreville, Klaine, 89 ! and without precise 

 locality, Klaine, 311! Corisco Bay; Muni (Danger) River, Mann, 175G! 



7. B. Tholloni, Hua in Bull Soc. Linn. Paris, 2 aer. i. 10. 

 Leaves lanceolate, acutely acuminate, the upper up to 2 in. lon^, J in. 

 broad, papery, quite glabrous except in the nerve-axils ; secondary'^nerves 

 very oblique, 6-7 on each side, slightly raised below; transverse veins 

 horizontal, delicate ; pedicels slender, up to 2 lin. long. Cymes few- 

 flowered, terminal and axillary, gathered in lax leafy panicles, loosely 

 pubescent in the upper part; peduncles filiform, glabrous, up to | in. 

 long ; bracts small, lanceolate to subulate ; pedicels 2 lin. long. Calyx 

 1 lin. long, very sparingly pubescent, eglandular. Corolla-tube sub- 

 campanulate, 2^ lin. long, sparingly and minutely puberulous without ; 

 throat glabrous ; supra-staminal calli distinct, much projecting ; lobes 

 linear, very narrow and acute, 5 lin. long. Anthers not quite 1 lin. 

 long, hairy on the back. Ovary quite glabrous; style obconical, 

 minutely papillose ; stigma subcampanulate, with a short bi6d 

 apicuius. 



Kower Guinea. French Congo : by the River Ogowe, Thollon, 852 ! 



8. B. angoieusis, Stapfin Keio Bulletin, 1894, 126. A graceful 

 and rather weak but tall climber with drooping branches, 4-7 ft. lon» ; 

 young branches minutely pubescent, hairs rather persistent. Leav-es 

 elliptic-oblong, shortly and acutely acuminate, rounded at the base, 

 1-2J in. long, J-1 in. broad, subcoriaceous, minutely pubescent on the 

 nerves in a very young state, soon glabrous except in the nerve -axils, 

 secondary nerves 4-5, rarely 6 ; transverse veins rather inconspicuous ; 

 petiole 1 lin. long. Cymes in terminal or in terminal and lateral 

 slender raceme-like or pyramidal panicles, minutely pubescent ; rhachis 

 and branchlets filiform ; bracts lanceolate to subulate, 1-1 J lin. lon^ ; 

 pedicels up to Ij lin. long. Calyx minutely pubescent, 1 lin. long; 

 sepals ovate-lanceolate, subacute, eglandular. Corolla white, tinged 

 with pink, very sweet-scented, subcampanulate ; tube minutely puberu- 

 lous without, villous in the throat, 2-2 J lin. long ; supra-staminal calli 

 short, ovate ; lobes lanceolate from an ovate auriculate base, acuminate, 

 3-4 lin. long. Anthers reaching beyond the middle of the corolla-tube', 

 f lin. long, glabrous or very sparingly hairy on the back. Carpels 

 puberulous at the top ; style obconic-cylindric, minutely puberulous. 

 Stigma campanulate with a short bifid apex. — Hiern in Cat. Afr. PI. 

 Welw. i. 675 ; Hua in Bull. Soc. Linn. Paris, 2 ser. i. 10. 



Iiower Guinea. Aii-ol:) : Gohingo Alto; by thickets on slopes along the 

 Cuango rivulet, rather rare, Welwitsch, 59G7 ! 



Guerkea conrjolana, De Wild. & Durand in Comptes-rcndus Soc. Bot. Bclg. 

 xxxviii. 94, collected by Capt. Cabra on the Lower Congo may belong to this .s])ocics. 



