] LXXXIV. APOCYNACE^. (STAPF). 211 



ovate- or obovate-oblong^ very shortly acute or subobtuse, truncate at 

 the base, 1-2| in. long, G-10 lin. broad, papery, scantily hairy on the 

 nerves below when young, soon quite glabrous except for small tufts of 

 hairs in the nerve-axils ; secondary nerves about G-7 on each side, 

 raised below, faint above ; transverse veins delicate ; petiole i-| lin. 

 long, rufo-tomentose. Panicles axillary and terminal, few-flowered, not 

 or scarcely exceeding the supporting leaves, finely rufo-pubescent ; 

 peduncle very slender, up to | in. long ; bracts minute, ovate, acute ; 

 pedicels up to 2 lin. long. Calyx slightly over 1 lin. long, sparingly 

 pubescent ; sepals ovate-oblong, acute ; intra-calycular glands 5, 

 minute. Corolla funnel-shaped, very minutely pubescent without; 

 tube lJ-2 lin. long, glabrous in the throat, supra-staminal calli trans- 

 versely oblong ; lobes lanceolate-linear, as long as or slightly longer 

 than the tube ; staminal cone not quite reaching the mouth ; anthers 

 J lin. long, glabrous on the back. Disc shallow. Carpels pubescent on 

 the top ; style obconic, minutely papillose ; stigma campanulate, with a 

 subulate 2-fid apiculus. — Oncinotis zygodioides, K. Schum. in Engl. 

 Jahrb. xxiii, 227. 



Upper Guinea. Sierra Leone, Afzelius ! 



12. B. Baillonii, Hua in Bull. Soc. Linn. Paris, 2 ser. i. 8, 11. 

 A climbing shrub ; young branches finely rufo-tomentose, soon glabres- 

 cent, very slender. Leaves oblong, subacuminate, truncate at the 

 base, very variable in size, up to 3 in. long and 10 lin. broad, papery, 

 very sparingly pubescent on the nerves below or finally quite glabrous 

 except in the nerve-axils ; secondary nerves 6-8 on each side ; trans- 

 verse veins very delicate ; petiole J lin. long, minutely rufo-tomentose. 

 Panicles terminal, leafy, obovoid, up to 3 in. long, or more reduced 

 from the leaf -axils, more or less dichotomous, finely rusty-tomentose or 

 f urfuraceous ; bracts small, ovate-lanceolate ; pedicels up to 2 lin. long. 

 Calyx f lin. long, minutely pubescent ; sepals ovate, subacute ; intra- 

 calycular glands minute, about 3. Corolla campanulate, very minutely 

 puberulous without; tube wide, IJ lin. long, glabrous in the throat ; 

 supra-staminal calli triangular ; lobes ovate-lanceolate, as long as the 

 tube. Staminal cone almost reaching to the mouth ; anthers minutely 

 pubescent on the back. Disc sinuous. Carpels pubescent on the top ; 

 style obconic-cylindric, glabrous below, papillose above ; stigma de- 

 pressed-campanulate, with a bifid short apiculus. Follicles very slender, 

 up to 3 ft. long, sparingly furf uraceous, constricted between the seeds. 

 Seeds | in. long. — Hua in Compt. Rend. Acad. Paris, cxxxiv. 857. 



Iiower Guinea. French Congo : banks of the River Ogjwe, ThoUon, 262 ! 

 near Lambarene, on the River Ogowe, Thollon, 711 ! 



13. B. 'Welwitschii, Siapf ex Hiern in Cat. Afr. PL Welw. i. 

 675. A graceful, copiously lactescent climber ; young branches very 

 slender, minutely pubescent, pale green when dry. Leaves obovate or 

 elliptic, acuminate (acumen slender, up to 4 lin. long), usually acute at 

 the base, 2-2J in. long, |-1 in. broad, papery, pale green, almost 



