110 • Lxx. RUBiACEj; (hiern). [Oxyantlius. 



membranous, 17-20 by 7-8 in., lateral veins about 17-20 pairs; 

 ? stipples broad, hairj inside. Flowers 4-4J in. long, fasciculate many 

 together, sessile in the uppermost axils ?, pentamerous. Calyx un- 

 equally cleft, puberulous outside, golden- silky inside ; lobes lanceolate- 

 subulate, acute, erect. Corolla salver-shaped ; tube very slender, 

 gradually funnel-shaped above, puberulous outside and inside ; throat 

 not bearded ; limb about 1 in. diameter ; segments ovate-lanceolate, 

 ciliolate, about ^ hy ^ in., glabrate inside, spreading or reflexed. 

 Anthers linear, -^ in. long, obtuse at both ends, not loceilate, glabrous, 

 sessile, fixed by near the middle of the back, just included. Style 

 glabrous, slender, equalling the corolla-tube ; stigma capitate. Ovary 

 2-celled, fleshy ; ovules numerous in longitudinal rows, not immersed 

 in the 2 placentas. 



Upper Guinea. Sierra del Crystal, Mann ! 



11. O. unllocularis, Hiern. A tree, 12-15 ft. high, pilose-hispid 

 on the young p^rts, &c. Leaves oval or oblong, shortly acuminate, 

 sessile or subsessile, auriculate- cordate at base, membranous, glabres- 

 cent except hispidulous veins beneath, 10-20 by 6-11 in. or larger, 

 lateral veins about 12 pairs ; stipules ovate, acute, connate at base, 

 1^ in., erect. Flowers 4-6 in. long, very slender, numerous, on short 

 pedicels, in much- branched axillary panicles shorter than the leaves, 

 pentamerous. Bracteoles small, subulate. Calyx-limb cup-shaped, 

 green, glabrous or hispidulous except the subulate-filiform subequal 

 teeth of yV ^^-j o^ ^" ^^^^* ranging up to ^ in., persistent. Corolla 

 glabrous, white ; lobes lanceolate f-| in. long. Anthers ^ in. Fruit 

 1 by I in., rather pointed at apex and crowned by the persistent calyx- 

 limb, slightly narrowed or nearly rounded at base. Seeds ^-^ in. long 

 by i— 1- in., inserted by the top of the inner horizontal side. Embryo 

 nearly ^ in. long ; radicle ^ in. 



Upper Guinea. Niger, Jeba on the Quorra, Barter ! Bonny Eiver, Mann ! 



12. O. macrophyllus, Schweinf. mss. in Herb. A large tree of 

 50-60 ft., shortly pilose towards the extremities, glabrate below. 

 Leaves oval or ovate-oblong, shortly acuminate or cuspidate, obliquely 

 excavated or subauriculate at the base, membranous, hispid-strigulose 

 or glabrescent beneath, 12-16 by 5-7 in., lateral veins about 14-16 pairs ; 

 petiole J-J in. ; stipules ovate, |-1 in. long, erect. Flowers about 

 6 in. long, on short pedicels, many together in globose dense axillary 

 panicles of 2-2^ in. diameter (exclusive of the corollas). Bracteoles 

 subulate or small. Calyx ^— ^ in. long, puberulous ; tube turbinate- 

 oblong ; teeth 5, filiform, ^~| i^- ^^^S- Corolla glabrous, white or 

 greenish white; lobes | in. long. Anthers 5, J in. long or rather 

 longer, acute. Ovary fleshy, 2-celled ; ovules numerous, discoid ; 

 stigma fusiform, bifid at the acute tip. Fruit globose, nearly rounded 

 at the base, ^| in. diameter or i-ather larger ; pericarp thick, fleshy- 

 coriaceous. Seeds solitary, ^ in., irregularly hemispherical; testa 

 fibrous. Albumen hard-fleshy, copious. Embryo | in. long ; radicle 

 scarcely half as long ; cotyledons widely ovate. 



xrUe land. Djur-land, Schweinfurth .' Niamniam-land, Schweinfurth ! 



