138 Lxx. RUBiACE^ (hiern). IGantkium. 



12. C. discolor, Benth. in Hook. Niger Fl. p. 409. A shrub or 

 small tree ; branchlets rufous-pubescent ; branches divaricate, elon- 

 gated, glabrate, spinous or unarmed ; spines axillary, opposite or 3 in 

 a whorl, patent, subulate, acute, §-1 in. long. Leaves oval, obtusely 

 acuminate, obtusely narrowed at the base, glabrate except the midrib, 

 dark above, whitish beneath, chartaceous, 1-3 by |— l-J in. ; lateral 

 veins about 4-G pairs ; petiole shortly pubescent, xV"! i^- > stipules 

 subulate, ^-^ in. long, puberulous or glabrate. Flowers ^^ in. long, 

 on short slender puberulous pedicels arranged in divaricately branched 

 tortuous shortly pedunculate panicles of J-l^ "in. long. Calyx-tube 

 small, hemispherical, puberulous or glabrate ; limb wider, deeply 

 5-lobed, glabrous ; lobes deltoid, obtuse, spreading. Corolla glabrous 

 outside, tubular ; tube strigose with deflexed white hairs near the base 

 inside ; lobes 5, reflexed, ovate, -scarcely acute. Disk prominent, gla- 

 brous. Anthers about equalling the filaments. Stigma exserted, calyp- 

 triform ; style slender, glabrous. Fruit ^? in. long, subdidymous or, 

 by abortion of one cell, oblique ; seeds curved round the placentas. 



Upper Guinea. Sierra Leone, G. Don I AfzeLius ! and others ; Senegambia, 

 Heudclot ! Bagroo River, Mann! 



13. C. olig'ocarpuxn, Hiern. A large glabrous tree-like shrub, 

 unarmed. Branches ashy, terete, somewhat compressed towards the 

 extremities, patent. Leaves elliptical, obtusely, acuminate, nearly 

 rounded or somewhat wedge-shaped at the base, thinly coriaceous, 

 paler beneath, 1^2|^ by \-\ in. ; lateral veins about 4 pairs, incon- 

 spicuous, often with a glandular pit in the axil ; petiole yV"6 ^• 

 stipules ovate, acuminate, about J in. long. Infructescence about 1 in. 

 long, axillary or in the axils of fallen leaves, spreading, 1-fruited; 

 bracteoles minute. Fruit oblique, f in. long, rounded at both ends, 

 very unequally 2-celled, 1- seeded, crowned by the minute remains of 

 the 6-toothed calyx-limb. 



Xrile Xiand. Abyssinia, on a mountain slope (7000-8000 feet) Sckimper ! 



14. C. zanzibaricum, Klotzsch in Peters Mossamh. p. 291. A 

 much branched, sometimes scandent, unarmed shrub. Branches sub- 

 terete or obtusely 4-sided, glabrous, greenish, at length whitish, 

 patent. Leaves ovate or oval, obtusely acuminate or attenuate-acute, 

 rather unec^ual and obtuse, usually rounded or somewhat hollowed at 

 the base, coriaceous, glabrous or nearly so, rather paler beneath, 1-|— 4J 

 by 1-2J in. ; lateral veins about 6-8 pairs, sometimes rather hairy in 

 the axils ; petiole |— ^ in., glabrous ; stipules lanceolate- subulate from 

 a broad base, glabrate, ^-^ in., caducous or subpersistent. Flowers 

 |— J in. long, 5-4-merous, white, on hispidulons pedicels of y^-^ in., 

 many together in dense dichotomous panicles of 1-2 in. diameter. ; 

 common peduncle ^— | in., hispidulous or glabrate ; bracteoles ovate or 

 lanceolate, acute, small, ciliolate. Calyx-tube hispidulous or nearly 

 glabrous, carapanulate-turbinate ; limb dentate ; teeth small, ciliolate. 

 Corolla-throat pubescent; lobes subobtuse. Disk somewhat hairy. 



