Ferbena.] ci. verbenace.c (baker). 287 



simple leaves and dense spikes, a native of Extratropieal Soutli America, js now estab- 

 lished at the Cape and in Mauritius, Bombay, Madagascar, and the Canary Isles, hut 

 we have no specimens from Tropical Africa. 



8. DURANTA, Linn.; Bentli. et Hook. f. Gen. PJ. ii. li:)(». 



Calyx subcylindrical; teeth 5, minute. Corolla-tube cylindrical; 

 lobes 5, spreading, short, obtuse, unecjual. Stamens 4, didynamous, 

 included in the corolla-tube; anther-cells parallel. Ovary H-celled ; 

 cells 1-ovuled ; style sliort ; stigma oblique, dilated, 4-lobed. Drupe 

 enclosed in the accrescent calyx; pyrenes 4, 2-celled. Seeds exalbu- 

 minous. — Shrubs, unarmed or spinous. Leaves opposite or verticillate, 

 entire or toothed. Flowers racemose. 



Species 4^5, wild only in Tropical America. 



1. D. Plumieri, ,/ac7. ; Schauer in DC . Prod. xi. 615. A shrub 

 5-10 ft. high, with glabrous or finely pubescent branchlets, unarmed 

 or spinous. Leaves opposite, distinctly petioled, oblong, acute or 

 obtuse, entire or inciso-crenate. Flowers in copious long terminal 

 racemes ; bracts linear. Flower-calyx |-J in. long. Corolla bright 

 lilac, more than twice as long as the calyx ; lobes suborbicular, 

 pubescent inside ; expanded limb J-J in. diam. Drupe yellow, the size 

 of a pea, much shorter than the closed accrescent calyx. — Bot. Ke^^ t. 

 244; Gurk:3 in Engl. Pfl. Ost-Afr. C. 38N. D. repens a.nd J J. erecta, 

 Linn. Sp. PI. ed. i. 037. 



Upper Guinea. Sierra Leone : Sherboro Island, Garrett in Herb. Scott- 

 Elliot, 4846 ! 5853 ! Waterloo, Kirk ! and without precise locality. Barter ! J^agos, 

 Moloney ! Niger Territory : Old Calabar River, Kalbreijer, 209 I 



Wrile Iiand. British East Africa : Xiamniam ; by the Atasilli Brook, Schu-ein- 

 furth, 3154 ! 



ImO'wbt Guinea. Angola, Welwitsch, 5760 ' 



Soutb Central. Congo Free State : Monbuttu ; Munza, Schweinfurth, 34561 



IVXozamb. Dlst. Lake region : Ukira and Issanjo (ex Gilrke). 



A native of Tropical America, now widely spread in the Old World. 



9. PREMNA, Linn.; Benth. et Hook. f. (4en. PI. ii. 1152. 



Flowers hermaphrodite or polygamous. Calyx small, campanulate, 

 truncate or shortly 2-5-lobed, accrescent. Corolla-tube short, sub- 

 cylindrical; limb patent, with 4 orbicular equal or subequal lobes. 

 Stamens 4, didynamous, inserted in the corolla-tube, more or less 

 exserted from the tube ; filaments filiform ; anthers ovoid or subglobose ; 

 cells parallel or divergent. Ovary 2-celled or spuriously 1 -colled; 

 ovules 4, attached to the side of the cells ; style subulate, shortly bifid 

 at the stigmatose apex. Drupe small, globose ; mesocarp thin, flesliy ; 

 endocarp hairy. — Shrubs or trees, sometimes scandent, with glabrous 

 or hairy branchlets. Leaves 2-4-nate, entire or dentate, often dott-ed 



