160 Lxxxiv. APOCYNACEiE (stapf). [Voacaiiga. 



constricted at the middle and mouth, 5-5J lin. long, twisted, very 

 delicately velvety just below the stamens, otherwise glabrous; limb 

 rotate ; lobes obovate-oblong, 4 lin. long, crisp, brown when dry. 

 Stamens inserted above the middle of the corolla-tube ; anthers 2J lin. 

 long, tips shortly exserted, tails straight, subacute. Disc fleshy, annular, 

 not quite half the height of the ovary. Style 3 lin. long. 



Upper Crulnea. Cameroons : Hipiude, in forests, Zenker, 944 ! 1807 ! 



12. V. diplcchlamys, K.Schani. in Engl. <l- Prantl, Pjlanzenfam, 

 iv. ii. 149. A shrub or small tree, up to 15 ft. high; branches slender, 

 .subquadrangular when young, soon terete, fistular, dark brown when 

 dry, glabrous. Leaves lanceolate to lanceolate-elliptic, acuminate at 

 both ends, 4-7^ in. long, 1^-3:^ in. broad, herbaceous, thin, glabrous 

 above, very minutely and often sparingly puberulous on the nerves 

 below; secondary nerves 10-14 on each side, oblique, slightly curved ; 

 petiole slender, very minutely puberulous, 4-6 lin. long. Inflorescences 

 geminate from the young branch-forks, nodding, dichotomously corym- 

 bose or umbelliform, at first very dense, finally somewhat laxer, minutely 

 puberulous usually up to the calyces ; peduncles very slender, 2-3 in. 

 long ; bracts oblong to lanceolate, subacute, at length deciduous ; pedicels 

 up to 3 lin. long. Calyx wide-campanulate, 5-6 lin. long, rather thin, 

 with a transv-erse zone of numerous small often paired glands some way 

 above the base within ; lobes very broad, rotundate or oblong-rotundate, 

 at length reflexed, rather longer than the tube. Corolla greenish or 

 greenish-yellow ; tube stout, about 5-5J lin. long, constricted at the 

 middle and mouth, twisted, very delicately velvety just below the 

 stamens, otherwise glabrous ; lobes obovate, reflexed, 2J lin. long, 

 drying black. Stamens inserted above the middle of the corolla-tube '^ 

 anthers slightly over IJ lin. long, tips slightly exserted, tails fine, 

 incurved. Disc annular, fleshy, covering the ovary to half its height. 

 Style 3 lin. long. — V. hracteata, Stapf in Kew Bulletin, 1894, 22 partly. 



Upper Guinea. Southern Nigeria : Old Calabar, Thomson, 39 ! Adiabo, 

 Holland, 108 ! Cameroons : Barombi, Preuss, 14 ! 



13. V, bracteata, Stapf in Kew Bulletin, 1894, 22 partly. A 

 glabrous shrub ; branches slender, greenish-brown when dry. Leaves 

 lanceolate to oblong-lanceolate, long and acutely acuminate, long 

 attenuate at the base, 4-6 in. long, l|-2:| in. broad, herbaceous, thin ; 

 secondary nerves about 8 on each side, very oblique, curved, very 

 slender ; petiole slender up to ^ in. long. Inflorescences solitary 

 (always ? ) from the young branch-forks, somewhat nodding, subum- 

 belliform or dichotomously corymbose, few-flowered, glabrous, multi- 

 bracteate ; peduncle very slender, up to 3 in. long; bracts persistent, 

 crowded at the base of the pseudo-umbels or corymbs, oblong to 

 lanceolate, subacute, up to 5 lin. long ; pedicels very slender, 3-5 lin. 

 long. Calyx campanulate, at length rather wide at the mouth, 4 lin. 

 long, with a ring of small glands at the very base; lobes porrect, 

 rotundate, very broad, about as long as the tube. Corolla-tube much 

 constricted at the middle and towards the mouth, 4J-5 lin. long, shghtly 



