Txora.'] lxx. rubiace^e (htern). 163 



Flowers |-1 in. long. 

 Inflorescence lax. 



Flowers 1 in. long. Inflorescence pedunculate . . 3. 7, laxiflora. 

 Flowers ^ in, long. 



Corolla-lobes 5 (-4 ?) subacute. Calyx lobes ovate. 



Inflorescence shortly pedunculate .... 4. /. Thomsoni. 

 Corolla-lobes 4, obtuse. Calyx truncate or nearly 



so. Inflorescence sessile 5. /. riparia. 



Flowers \ in. long, 4-merous. Inflorescence sessile. 



Corolla-lobes not longer than the tube ... 6. /. hreviflora. 

 Flowers \ in. long, o-nierous. Inflorescence pedun- 

 culate. Corolla-lobes longer than the tube . . 7.1. hrachy siphon. 

 Inflorescence dense. Flowers § in. long. 

 Flowers tetramerous. 



Leaves 6 in. long ; margins flat. Caljrx truncate. 



Inflorescence sessile . » 8. 7. guinecnsis. 



Leaves 1-3|- in. long ; margins recurved. Calyx- 

 lobes ovate. Inflorescence pedunculate . . 9. I.foliosa. 



Flowers pentamerous 10. 7. Soyauxii. 



Inflorescence compact, short. 



Leaves 1-1 in. broad. Calyx-lobes deltoid 11. I, inundata. 



Leaves 2g— 2^ in. broad. Calyx subtruncate .... 12. 7. minutijiora. 

 Leaves 3^-4 in. broad. Calyx-lobes broadly ovate . . 13. 7. modesta. 



1. Z. radiata, Hiern. A large shrub, 12-20 feet high or more. 

 Leaves oval or narrowly elliptical, acute or cuspidate, undulate and the 

 uppermost ones subcordate at the sessile or subsessile base, firmly 

 chartaceous, glossy, ranging up to 12 by 4 in. ; lateral veins about 

 10-14 pairs ; stipules connate below, ovate, apiculate, keeled above, 

 1— 1^ in. long. Flowers 2-3 in. long, rose-coloured (Barter), sessile or 

 subsessile, crowded into nearly simple or once or twice trichotomously 

 branched clusters, diverging ;. common peduncle ranging up to 2-| in. ; 

 bracteoles opposite, small, ovate, acute, the uppermost at the base of 

 the calyx. Calyx-lobes short, broad, sometimes nearly obsolete. 

 Corolla-tube slender; lobes oval-oblong, ^ in. long or rather more, 

 obtuse, puberulous inside. Anthers exserted, ^ in. long. Style ex- 

 serted to the extent of the corolla-lobes, bifid above. Fruit sub- 

 didymous or subglobose ^ in. long, ^— | in. diameter, 2-1-celled and 

 -seeded. 



Upper Guinea. Niger River, Nupe, Barter ! Lagos Island, Barter ! 

 Wile ILand. Niamniam-land, at Boddo, and at Lineduku, Schweinfurth ! 



2. Z. odorata, Hook, in Bat. Mag. t. 4191. Bi-anches subterete. 

 Leaves oval-oblong, acutely acuminate, coriaceous, the lower ones 4-8 

 by I5-2J in. or more and rounded at the base or narrowed into the 

 robust petiole of |-J in., the upper ones as well as the bracts smaller 

 ovate rounded or emarginate at the sessile base ; lateral veins about 

 9-12 pairs, inconspicuous ; stipules ovate, apiculate, appressed, connate 

 at the base, ^-\ in. long. Flowers white, fragrant, three together, 

 subsessile, 2-3 in. long, many, in terminal dense trichotomous corym- 

 bose panicles of 4-10 in. diameter, bibracteolate at the base ; brac- 

 teoles subulate, small, the uppermost at the base of the calyx ; peduncle 

 1-3 in. long, bearing 1-2 pairs of foliaceous bracts. Calyx glabrous], 

 J in. long, urceolate ; teeth ovate. Corolla-tube slender; limb about 



