Lochnera.'] lxxxiv. APOCYNACE.f: (staff). lli^ 



long, pubescent. Corolla white or pink ; tube puberulous, 1 in. long ; 

 lobes broad, obliquely obovate, apiculate, J in. long. Follicles up to 1 ^ in. 

 long, spreadingly pubescent, striate. — Schnizl. Iconogr. t. 1:^>2, fi^s. 2-1 (I ; 

 K. Schum. in Engl. & Prantl, Pflanzenfam. iv. ii. 145, fig. 57 A-D., 

 and in Engl. Pfl. Ost-Afr. C. 316 ; L. Planchon, Prod. Apocyn. 231, 284 ; 

 Durand & Schinz, Etudes Fl. Congo i. 190; De Wild, k Durand, 

 Contrib. Fl. Congo in Ann. Mus. Congo, Bot. ser. 2, i. fasc. ii. 39, and 

 Reliq. Dewevr. in Ann. Mus. Congo, Bot. ser. 3, fasc. ii. 151. Vinca, 

 rosea, Linn. Syst. Nat. ed. x. 944; Gaertn. De Fruct. ii. 1 72, t. 117 ; DC. 

 Prod. viii. 382 ; Muell. Arg. in Mart. Fl. Bras. vi. i. 69, t. 25 ; Hook. 

 Niger Flora, 450 ; Grisebach, Fl. Brit. West Ind. 410; Cardoso jun. 

 in Bolet. Soc. Brot. xiii. 144 ; Hiern in Cat.- Afr. PI. Welw. i. 667. 

 Caifiaranthus roseus, G. Don, Gen. Syst. iv. 95. — Vinca fol. oblongo- 

 ovatis, Mill. Ic. t. 186. 



Upper Guinea. Cape Verde Islands : Cardoso. Sierra Leone, Turner ! 

 Gold Coast : Cape Coast Castle, Vogel, 60 ! 



iMOwer Guinea. Congo Free State : Banana, Detvevre. 50 1 Buma, Wil- 

 toerfh, Deivevre / and without precise locality, by roadsides, Dupuis, 3 ! 



IWozamb. Dlst. Zanzibar, Stuhlmann. Portuguese East Africa : Kerimba 

 Islands, Peters ! 



Probably a native of the West Indie-, now widely naturalised in the tropics of 

 both hemispheres, chiefly near the coasts. 



15. PLITMERIA, Linn. ; Benth. et Hook. f. Gen. PI. ii. 704. 



Calyx small, eglandular within ; sepals 5, almost free, imbricate, 

 usually broad and obtuse, sometimes unequal or partly or wholly 

 suppressed. Corolla salver-shaped ; tube cylindric, slender, slightly 

 widened at the base, without appendages in the mouth ; lobes 5, broad, 

 oblong, overlapping to the left, straight or more or less twisted. 

 Stamens in the widened base of the corolla-tube ; anthers free from the 

 stigma, oblong, apiculate, 2-lobedatthe base; anther-cells polliniferous 

 and dehiscent to the base. Disc 0. Ovary apocarpous, semi-inferior ; 

 carpels 2 ; style very short, columnar; stigma just below the anthers, 

 ellipsoid, copiously viscous in the lower part, somewhat constricted 

 above, with a thick papillose ring below the 2-fid, stout apiculus ; 

 ovules numerous, pluriseriate. Mericarps follicular, divaricate, elliptic 

 to linear in outline, coriaceous. Seeds oblong or lanceolate, flattened, 

 winged at the apex or all round ; endosperm fleshy, thin ; cotyledons 

 oblong or ovate-cordate ; radicle short. — Trees or tall shrubs, usually 

 with stout branches. Leaves alternate ; petiole^ usually long ; 

 secondary nerves numerous, straight, connected by a more or less 

 conspicuous marginal nerve ; axillary stipules ; petiole resinous at 

 tlie base, without external glands. Flowers rather large, white or 

 pink, frequently with a yellow centre or quite yellow, in contracted or 

 ultimately elongate cymes arranged in terminal, often umbelliform 

 corymbs or panicles, and supported by often large, caducous bracts. 



Species 30-40, natives of tropical America ; some of them naturalised or com- 

 naouly cultivated in the tropics of the Old World. 



