144 LXX. RUBIACEA (HIERN). [ Canthium. 
diameter ; common peduncle glabrous, }-4 in. Calyx-tube glabrous or 
nearly so; limb 4-toothed ; teeth subciliate. Corolla white, glabrous 
outside; throat bearded; lobes 4, scarcely acute, glabrous. Disk 
hispidulous. Style glabrous. Stigma far exserted, calyptriform, 
8-costate. Fruit 3 in. long, subdidymous or oblique, smooth ; seeds 
somewhat curved. Albumen ruminated. 
Upper Guinea. Cameroon River, Mann! 
30. ©. lividum, Hiern. A nearly glabrous unarmed shrub. 
Branches erect-patent, terete, compressed towards the extremities. 
Young leaves (at the time of flowering) oval-oblong, subacute or 
subacuminate, obtuse or somewhat unequally narrowed at base, char- 
taceous, bluish-black on both sides when dry, 14-3 by 4-1} in.; lateral 
veins about 6 pairs, inconspicuous ; petiole J-4 in.; stipules ovate, 
apiculate, in. Flowers tetramerous, } in. long, glabrous outside, on 
puberulous pedicels of 3-} in., many together, in dense dichotomous 
panicles of 1-14 in. diameter, appearing when the leaves are young; 
common peduncles 3-4 in. long, glabrate or puberulous ; bracteoles 
wanting or minute. Calyx-teeth small, glabrous. Corolla-tube hairy 
inside. Disk glabrous. Style far exserted, glabrous; stigma calyptri- 
orm. 
Mozamb. Distr. Moramballa, alt. 1800 feet, Kirk / 
31. C. venosum, Oliv. in Trans. Linn. Soc. Lond. xxix. 85, t. 49, 
sub Plectronia. A shrub of about 15 feet, or a tree, or climbing to 4 
considerable height, unarmed. Young parts peduncles and pedicels 
ferruginous-hispid. Branches subterete, ashy, glabrescent, spreading. 
Leaves oval oval-ovate or elliptic-lanceolate, obtuse or acuminate, 
rounded or wedge-shaped at the base, thinly coriaceous, nearly glabrous, 
with rather hairy depressions in the axils of the 4-6 pairs of lateral 
veins, 3-5 by 1-2 in.,. sometimes smaller; tertiary veins transverse ; 
petiole 4-4 In., glabrescent ; stipules ovate-acuminate from a broad base, 
+ in. long, caducous. Flowers about ¢ in. long, white, on shorter or 
equalling pedicels, many together in globose dichotomously branched 
panicles of about 1 in. diameter ; peduncle about } in. long. Calyx 
tube turbinate, glabrous or nearly so ; limb small, glabrous except the 
4 small ciliolate teeth. Corolla glabrous outside ; throat pubescent ; 
lobes 4, obtuse. Disk hairy. Style exserted, glabrous ; stigma calyp- 
triform. Fruit 3-3 in. long, hard, globose or subdidymous. Seeds 
subglobose ; albumen ruminated.—Canthium, sp., T. Thoms. in Speke, 
Journ., App. p. 636. 
Nile Land. Madi, in woods, a a igh 
climbing shrub, Schwein furth ! Bongo-land. a pees of Te eon Sohevin ath? ™ 
_Var.? pubescens. Branches more hairy. Leaves ferruginous-pubescent on the 
veins beneath, ranging up to 6 by 3 in. 
Upper Guinea. Niger, Brass, Barter! Onitsha, Barter ! 
32. ©? multifiorum, Hiern. A decumbent or scandent shrub; 
branches numerous, brachiate, obtusely tetragonal, quite glabrous. 
Leaves distichous, oblong-ovate, attenuate at the apex, subacute, 
