86 LXXXIV. APOCYNACE (STAPF). | Carpodinus. 
1-2 ft. high, from a long creeping slender rhizome. Leaves opposite 
or ternate, lanceolate or oblong-lanceolate, acute on both ends or the 
tips acuminate or subobtuse, 3-5 in. long, 5-16 lin. broad, thinly sub- 
coriaceous, shining above, with black dots beneath ; midrib channelled 
above, channel usually rather wide; lateral nerves subhorizontal, 
faint, 10-15 on each side, connected quite close to the margins by very 
flat faint arches; veins delicate ; petiole slender, 2-5 lin. long. Cymes 
few-flowered, terminal, sometimes also from the axils of the uppermost 
leaves; peduncles up to 13 in. long, like the short pedicels glabrous or 
pubescent in the upper part ; bracts oblong, up to 1 lin. long. Calyx 
puberulous, 13-1} lin. long; sepals 5, ovate, obtuse or subacute. 
Corolla glabrous without, white; tube slender, slightly widened below 
the mouth, 5 lin. long; lobes linear, subacute, slightly longer than 
the tube. Ovary glabrous at the very base, otherwise pubescent like 
the style. Fruit pear-shaped, not quite 2 in. long; seeds few, about 
6 lin. long.—Warb. in Tropenpfl. i. (1897) 134, fig. A—D.; Sadebeck 
Nutzpfl. Deutsch. Kolon. in Jahrb. Hamburg. Wissensch. Anstalt. xiv., 
3. Beih. 122, & Kulturg. Deutsch. Kolon. 276; Stapf in Wild. & 
Durand, Contrib. Fl. Congo in Ann. Mus. Congo, Bot. sér. 2, i. fase. i- 
36, fase. ii. 89; Mikosch in Wiesner, Rohstoffe, ed. 2, 363; Henriques, 
Kautschuk, 19, Tab. iv.; Hallier f. Kautschuklianen in Jahrb. Ham- 
burg. Wissensch. Anstalt. xvii. (1899), 3. Beih. 115, t. iii., fig. 5; 
Moller in Tropenpfl. iv. (1901) 461; Schlechter, Westafr. Kautschuk- 
Exped, 51, 232, 306, 52 with fig.; De Wild. & Durand, Relig. Dewevr- 
in Ann. Mus. Congo, Bot. sér. 3, fase. ii. 148. 
Lower Guinea. Lower Congo: Dolo plains near Stanley Pool, Schlechter, 
12447! near Leopoldyille, Laurent ; Dewévre, 489! Tampa, Laurent! Calar District, 
Laurent. Angola: country of the Gangella and Amboella, Marques, 1! Majakalla 
country, Mechow, 520! 
South Central. Congo Free State: Selembao, Demeuse, 110! Bashilange > 
by the Kasai River, near Kikassa, Pogge, 1157! Bena Dilule (Dible), Luja, 266! 
between the Lufubu River and Nyangwe, Pogge, 1074! 
According to Dewévre, C. lanceolata assumes occasionally tle habit of a climber, 
developing at thesame time tendrils. It yields most of the root-rubber of the Congo 
Impenfectly known species. 
23. ©. acida, Sabine in Trans. Hort. Soc. v. 456.—DC. Prod. viii- 
329; Hook. Niger Fl. 446; L. Planchon, Prod. Apocyn: 141, 321; 
Pierre in Bull. Soc. Linn, Paris, 1898, 37; J umelle, Pl. 4 Caoutchouc et 
& Gutta, 62; Hallier f. Kautschuklianen in Jahrb. Hamburg. 
Wissensch. Anstalt. xvii. (1899), 3. Beih. 107; Warb. Kautschukpf- 
120, not of Schweinf. 
Upper Guinea. Sierra Leone: by the side of a rivulet in the mountains near 
Free Town, Don. 
This is known only from the fruits which are said to be acid and somewhat smaller 
than those of C. dulcis. It is, according to G. Don (ex Sabine, l.c.), a more straggling 
