76 Lxxxiv. APOCYNACE^ (stapf). [CarpocUnus, 



mouth, 5-G lin. long; lobes linear, subacute, about as long as the tube. 

 Ovary finely pubescent ; style slender, puberulous. 



Xiower Guinea. Lower Congo : Kinchassa, on Stanley Pool, Schlechier, 

 12804 ! 



4. C. congolensisy Stapf in Kew Bulletin^ 1898, 303. Climbing 

 shrub with slender, flagelliform tendrils, quite glabrous ; young 

 branches reddish-brown ; lenticels minute. Leaves oblong to elliptic, 

 abruptly acuminate (acumen linear, 2-4 lin. long), subacute, rarely 

 rounded at the base, 4-5 in. long, 1 J-2 in. broad, green, thin, papery ; 

 midrib channelled above, channel rather wide in the upper part ; 

 secondary nerves 5-G on each side, rather fine, connected by bold 

 arches distant from the margin ; petiole slender, 2-4 lin. long. Flowers 

 sessile, axillary, solitary (always ?) ; bracts few, very small. Calyx 

 glabrous, 1 lin. long or rather more; sepals broadly ovate, obtuse, 

 ciliolate. Corolla-tube very slender, widened near the mouth, 9-11 

 lin. long, glabrous without, hairy below the stamens within ; lobes 

 linear, as long as the tube or rather longer. Anthers 1 lin. long or more. 

 Ovary and style pubescent. — Stapf in De Wild. & Durand, Contrib. Fl. 

 Congo in Ann. Mus. Congo, Bot. ser. 2, i. 34 ; De Wild. & Durand, 

 Reliq. Dewevr. in Ann. Mus. Congo, Bot. ser. 3, ii. 146. 



Xiower Guinea. liower Congo : Bingila, Dupuis ! Portuguese Congo ? 

 Chimbete, Dewtvre, 311 ! 



Hallier f. (Knutschuklianen in Jalirb. Hamburg. Wissenscli. Ansttilt. xvii. (1899), 

 3. Beih. 109) reduced C. congolensis to C. iurhinata^ from wliidi it is, bowever, quite 

 distinct. 



5. C. dulcis, Sabine in Trans. Hort. Soc. v. 455. A climbing 

 shrub with long terminal or pseudo-axillary flagelliform, scantily 

 branch-hooked tendrils ; young branchlets finely fulvo-hirsute, soon 

 more or less glabrescent and pale brown or grey ; lenticels few, in- 

 conspicuous. Leaves oblong, indistinctly acuminate or obtuse, rarely 

 acute, rounded at the base, 3-4^ in. long, l|-2 in. broad, coriaceous, 

 when young fulvo-hirsute, soon glabrescent ; midrib narrowly chan- 

 nelled above, much raised below ; lateral nerves usually 7 on each 

 side, slightly channelled above, prominent below, connected, by bold 

 arches rather distant from the margin ; petiole 2-2 J lin. long. Cymes 

 axillary, subsessile, contracted, finely fulvo-hirsute, few to 1 -flowered ; 

 flowers sessile ; bracts generally 4 to each flower, oblong, the inner 

 small, adpressed to the calyx, and like it fulvo-hirsute. Calyx IJ lin. 

 long; sepals ovate, subacute, ciliolate. Corolla-tube 3-4 lin. long, 

 widened below the mouth, almost glabrous ; lobes lanceolate, as long as 

 the tube. Ovary fulvo-hirsute above the middle. Style very slender, 

 minutely puberulous, almost up to 3| lin. long including the stigma. 

 Fruits solitary, rarely in pairs, globose, apiculate, yellow, of the size of 

 a small lemon. Seeds about 12, 3 lin. long. — DC. Prod. viil. 329 ; 

 Hook. Niger Fl. 446 ; L. Planchon, Prod. Apocyn. 141, 292, 321 ; Stapf 

 in Hook. Ic. PI. t. 2568; Pierre in Bull. Soc. Linn. Paris, 1898, 36, 

 37 ; Jumelle, PI. k caoutchouc et a gutta, 62 ; Hallier f. Kautschuk- 

 lianen in Jahrb. Hamburg. Wissensch. Anstalt. xvii. (1899), 3. Beih. 



