l88 txx. RUBiACEiE (hiern). [Eutidea. 



chartaceous without conspicnous hairy tufts in 



the axils 4. R.ferruginea. 



Branches hispid 5. ^. hisiida. 



Corolla glabrous on both sides or very nearly so. 



Leaves chartaceous, not abruptly acuminate ... 6, i?. Smithii. 

 Leaves thinly coriaceous, abruptly acuminate ... 7. R. decor ticata. 

 Flowers tetramerous (or by exception pentamerous). 



Stigma globose, 2-3-lobed 8. i?. memhranacea. 



Stigma ovoid-clavate. 



Glabrous (except the inflorescence). Flowers ^ in. 



long 9. i?. glabra. 



Hispidulous. Flowers i-| in. long 10. R.fttscescens. 



1. TL, nifipllis, Hiern. A climbing shrub of 15 feet with pilose- 

 hirsnte branchlets ; hairs rufous. Leaves ovate-oval, subacuminate, 

 very acute, rounded at the base, chartaceous, ranging up to 4 by If in., 

 glabrate above except the puberulous depressed midrib, pilose beneath 

 at least on the 4-5 pairs of lateral veins ; petiole ranging up to J in., 

 pilose-hirsute; stipules |-^ in. long, 3-5-setose. Flowers pentamerous, 

 •^^ in. long when expanded, sessile or subsessile, in heads arranged in 

 pyramidal brachiate terminal panicles which are somewhat leafy below ; 

 bracteoles subulate, exceeding the calyx, pilose. Calyx half the length 

 of the flower ; tube campanulate ; glabrous or nearly so ; limb longer 

 than the tube, deeply lobed, lobes subulate. Corolla shortly salver- 

 shaped ; tube glabrous : lobes oval, apiculate, equalling the calyx. 

 Style fusiform, exserted by the length of the flower. Fruit ^ in. dia- 

 meter. 



Upper Guinea. Old Calabar River, Mami / 



2. R. parviflora, DC. in Ann. Mus. Par. ix. 219 -(1807). A 

 climbing shrub with patent terete glabrescent branches, somewhat 

 compressed and pilose-hirsute towards the extremities ; hairs tawny. 

 Leaves oval, shortly acuminate or apiculate, rounded or emarginate at 

 the base, glabrate above except sometimes the depressed midrib 

 and the 6-7 pairs of usually depressed lateral veins, more or 

 less pilose-pubescent beneath, thinly coriaceous or subchai-taceous, 

 ranging up to 4-6 by 1^2^ in. ; petiole to -J-f in., pilose or pubes- 

 cent ; stipules 2-4-cleft, ^-^ in. long, glabrescent or sparsely pilose ; 

 lobes setaceous. Flowers pentamerous, ^— J in. long when expanded, 

 sessile or subsessile, in small heads, assembled in pyramidal or oblong 

 brachiate terminal panicles which are somewhat leafy below ; brac- 

 teoles lanceolate or subulate. Calyx y^-- iV i^- ^o^^^g ; ^^^^ glabrous 

 except the base, ovoid ; limb pilose-pubescent, equalling the tube, 

 6-partite, segments ovate. Corolla salver-shaped ; tube glabrous ; 

 lobes 1^ in. long, oval, mucronulate, rather hairy outside. Style fusi- 

 form, exserted by ^-^ in. Fruit yellow, ^ in, diameter. — DC. Prodr. 

 iv. p. 495, Benth. in Hook. Niger Fl. p. 416, ex parte; Rytidea parvi- 

 flora, Spreng. Syst. Veg". i. 754. 



Upper Guinea. Senegambia, Leprieur and Perrottet/ Sierra Leone, Smcath- 

 man! Whitfield! Afzdius! (seen in Hb. Mus. Brit.); Cape Palmas, Th. 

 Niger Expedition, at Nupe, Barter ! 



