176 Lxx. RUBiACE^ (hiern). [Tavetta. 



scattered with hirsute hairs, ^ in. diameter, 2-salcate, 2-celled, 2-seeded, 

 crowned by the persistent calyx-limb. 



ITpper Cruinea. Sierra Leone, Afzelius ! Barter ! (in flower bud). 



19. P. Saconia, Hiern. A shrub from 3-4 to 15-20 feet high or a 

 small tree, puberulous or glabrate, shining. Branches snbterete, towards 

 the extremities angular and somewhat compressed. Leaves elliptical, 

 narrowed at both ends, more or less acuminate, firmly chartaceous, 3-8 

 by l-o J in. ; lateral veins about 6-8 pairs ; petiole ^1 in. or less ; stipules 

 much apiculate from a broad sheathing base, i-^ in. long. Flowers tetra- 

 merous, y\ in, long, ebracteolate, on short puberulous pedicels, many 

 together, in dense terminal corymbs of 2-3 in. diameter with a pair of 

 leaves or foliaceous bracts at the base. Calyx campanulate, green, 

 ebracteolate, puberulous or pubescent, |- in. long ; limb unequally 

 4- cleft ; lobes rounded or obtuse, more or less imbricated at least in the 

 bud. Corolla white ; tube very short, glabrous outside ; throat bearded ; 

 lobes 4, \ in. long, oval, glabrous, spreading. Anthers nearly equalling 



'the corolla-lobes; filaments short, compressed. Disk glabrous. Ovary 

 short, 2- or rarely 4-celled ; ovules solitary, immersed in the fleshy 

 placentas. Style exserted by \ in., shortly pubescent above, usually 

 nndivided. Fruit 2.sulcate, 2-celled, 2-seeded, glabrate, \-\ in. long. 

 — Baconia corymbosa, DC. in Ann. Mus. Par. ix. 220 (1807) ; Benth. in 

 Hook. Niger Fl. 413. Verulamia corymhosa, DC. in Lam. Encycl. 

 Meth. viii. 543 (1808). Ixora nitida, Schum. et Thonn. Beskr. Guin. 

 PI. p. 77. P. genipcefoUa, Benth. in Hook. Niger Fl. 415, non Schum. 

 A very variable plant ; the varieties given below, or some of them, 

 may prove distinct species. The original specific name curymbosa is 

 ineligible under Pavetta, as P. corymbosa, Houtt. is the oldest name of 

 a Cape species of Pavetta. 



upper Guinea. Widely diffused. Occurs also in Fernando Po, Mann ! 



£ower Guinea. Congo, Chr. Smith! 



Var. /3. angustifolia, DC. Prodr. iv. p. 485. Leaves glabrate, narrower, more 

 acuminate at both ends. 



ITpper Guinea. Senegambia, Perrottet and Leprieur, Heudelot ! 



Var. 7. oblongifolia. Leaves oblong, 4|- by 1 in., glabrate, obtuse, narrowed to a 

 subsessile base. 



Baconia, sp. nov., Benth. in Hook. Niger Fl. p. 413. 



Upper Guinea. Senegambia, Hmddot ! 



Var. S. tomentella. Branches shortly tawny- velvety. Leaves elliptical, puberulous 

 beneath, subobtuse, nearly rounded at the subsessile base, 2-6 by i-2| in. Corolla- 

 lobes I in. long. 



Wile Iiand. Djur-land and Bongo-land, Schweinfurth ! 



Var. 6. nigrescens: Glabrate, turning black in drying. Leaves elliptical, narrowed 

 at both ends, petiolate. Corolla-lobes \ in. 



Kower Guinea. Annobon Island, Burton ! 



20. P. Kookeriana, Hiern. A shrub 6-8 feet high, glabrous 

 except the inflorescence, &c., shining. Branches subterete, somewhat 

 compressed towards the extremities. Leaves opposite, elliptical, acute 

 or acuminate, wedge-shaped at the base, chartaceous, of a yellovrish 

 green colour on both sides when dry, 2-6 by J-2 in. ; lateral veins 

 about 8-10 pairs, clearly marked beneath, usually with slightly hairy 



