222 Lxx. EUBiACEiE ■(hiern). [GeopMla, 



pubescent, inner bracts narrower, ciliate. Calyx-limb witb short ovate 

 or subulate unequal teeth. Corolla-buds hairy ; lobes deltoid. Fruit 

 violaceous. 



Vpper Guinea. Sierra Leone, Afzelius .' Prince's Island, Mann ! 



6. G-. obvallata, . F. Didr. in Gopenhag. VidensJc. Medd. 1854, 

 p. 186. Stems creeping, 20-30 feet long, 1-2 in. high, rooting at 

 the nodes, glabrous. Leaves ovate or cordiform, obtuse or nearly 

 rounded at the apex, reniform at the base, thinly chartaceous, glabrous 

 or nearly so, rather paler beneath, |-2 by ^1| in. ; petiole J-3 in., 

 glabrous or with a row of short hairs ; stipules rounded, glabrous, 

 entire, i^g - '^^p in. long. Flowers about ^ in. long, pentamerous, on 

 very short pedicels, about 2-6 together, enclosed in a cup- shaped or 

 hemispherical involucre nearly as long as the flowers ; bracts of the 

 involucre a^bout 4, roundly oval, imbricated, glabrous ; bracteoles 

 absent ; common peduncle ^-1^ in. long, glabrous, terminating short 

 leaf-bearing erect branches. Calyx green ; limb with unequal subulate 

 teeth falling short of the white glabrous corolla-limb. Fruit red, J in. 

 diameter. — Psychotria ohvallata, Schum. Beskr. Guin. PI. p. Ill ; Geo- 

 phila (probably a species of), Benth. in Hook. Niger Fl. p. 421 ; Geo- 

 philttj spec. aff. G. reniformi, Benth. I.e. p. 422. 



Upper Guinea. Sierra Leone, Afzelius/ Senegambia, (HeudMot)/ Aquapim,^ 

 Isert ; Niger Expedition, at Brass, creeping about the roots of treea. Barter : Fer- 

 nando Po, Barter ! Mann ! 



7. G-. Involucrata, Schweinf. mss. in herb. Puberulous. Leaves 

 nearly orbicular, rounded at the apex, reniform at the base, very nearly 

 glabrous, membranous, rather paler beneath, 1^3 in. diameter ; petiole 

 1-^-2^ in. ; stipules semicircular, glabrous, entire, xV-|- in. long. 

 Flowers about J in. long or more, about 9 together, crowded, bracteate, 

 enclosed within an imbricated glabrous hemispherical involucre of 

 •J— 1 iu. diameter, glabrous ; bracts broadly oval, entire or cleft ; com- 

 mon peduncle ^-J in. long, terminal on short branches overtopped by 

 the leaves. Calyx ^ in. long ; segments obovate, obtuse, 4-6, about 

 ^ in. long. Corolla white ; lobes 5, ovate, obtuse. Style-branches 

 short, broad. 



North Central. Monbuttu-land, near Munsa, Schweinfurth ! 

 Wile Iiand. Niamniam-land, at Mbruole, Schweinfurth! 



65. CEPHAELIS, Swartz ; Benth. et Hook. f. Gen. PI. ii. p. 127. 



Calyx-tube campanulate or oblong ; limb toothed or cleft or slit 

 down one side, persistent. Corolla funnel-shaped or salver- shaped ; 

 tube short or elongated ; lobes usually 5, short, erect or spreading, 

 valvate in the bud ; throat more or less bearded. Stamens usually 5, 

 inserted on the throat of the corolla ; anthers linear or oblong ; ex- 

 serted or included, fixed at the back. Disk various, glabrous. Ovary 

 2- or rarely 3-4-celled ; style filiform, glabrous, exserted or included, 

 branches as many as the cells of the ovary ; ovules solitary, erect, 

 oblong, more or less compressed and wedge-shaped, anatropous. Fruit 



