APOCYNEJ:. 407 



into the corolla-throat : anthers subsessile : connective not produced. Ovary 2-celled : 

 style filiform, with a thickish stigma. Berry large ; seeds peltate, albuminous. Cotyledons 

 foliaceous. — Shrubby vines or trees ; leaves usually triplinemed ; flowers small, in corymbi- 

 form cymes. 



1. S. trinitensis, Gr. (m. sp.). Branches bearing woody tendrils ; branchlets appressed- 

 pnberulous ; leaves leatheiy, ovate or elliptical-oblong, with a bluntish point, compUcate- 

 ronnded at the base, triplinerved with an accessory suprsbasilar pair, and prominent reti- 

 culated veins, shining-glabrous; cymes trichotomous, subsessile in, the axils : pedicels ter- 

 nate, short ; calyx-segments 4, lanceolate, pointed ; corolla puberulous : lohes one-third (m 

 long as the filiform tube, lanceolate, bluntish, thickly bearded at the base ; anthers exserted ; 

 stigma emarginate-pyriform. — Habit of S. rondeletioides. Spruce. Leaves 4"-3" long, 

 2"-14'' broad : petiole 3'", pedicels 1'", calyx -J'", corolla-tube 3"' long ; style shortly ex- 

 serted. — Hab. Trinidad !, Cr., at Caura. 



a. ALLAMANDA, 1. 



Calyx 5 -partite. Corolla large : tube infundibular, abruptly dilated. Anthers sagittate, 

 subsessile above the narrow part of the corolla-tube, opposite to 2-partite bearded scales. . 

 Ovary 1-celled : stigma thick, constricted at the middle, with 2 points. Capsule echinate : 

 seeds winged. — Shrubs ; branches trailing. . 



2*. A. cathartica, Z. Leaves whorled, elliptical-oblong or oblauceolate, pointleted, 

 pilose on the midrib beneath ; calyx eglandiilar : segments oblong-lanceolate, bluntish ; co- 

 rolla-lobes roundish; disk S-lobe^; "seeds narrowly winged." — Bot. Mag. t. 4411. — A. 

 Aubletii, Pohl. — Corolla yellow, B"-4"long ; narrow part about 1" long — Hab. Naturalized 

 and cultivated in Jamaica!, Al., S. Kitts!, Antigua I, S. Vincent!, Qnild.; [Panama! to 

 Brazil !]. 



3. THEVETIA,i. 



Calyx 5-partite. CoroWa large, infundibular, narrow at the base. StamensimetieSi below 

 the bearded corolla-throat, opposite to its crown-scales : connective mucronate. Ovary 2- 

 celled : stigma thick, .with 2 minute points. Drwpe 4— 2-Seeded, transversely enlarged, incom- 

 pletely dehiscent. Embryo " exalbuminous." — Shrubs ; leaves alternate, subsessile. 



fy — 3. T. neriifolia, Juss. Leaves linear, glabrous ; shining above ; oalyx-segments lan- 

 ' ceolate-acumiiiate, about half as long as the cylindrical part of the corolla, which is one-third 

 as long as its enlafged tube. — Jacq.. 'Amer. Pict. t. 47. Tuss. Fl. 4. t. 7. Besc. Fl. 3. 

 i. 158. — Cerbera Thevetia, L — Leaves 6"-3", saffron-coloured corolla 3" long — Hab. Ja- 

 maica I, Pd., on the coast, and cultivated ; Antigua !, Wullschl., S. Vincent !, Guild. ; [Cuba I 

 to French islands ! ; Mexico I to Peru I and Brazil !]. 



4. RAUWOLPIA, Z. 



Calyx 5-fid or 5-partite. Corolla salver-shaped. Stamens inserted below the corolla- 

 throat. Ovaries 2, distinct or slightly cohering, few-ovulate, suiTounded by an urceolate 

 disk ! stigma indusiate : indusium often including the 2 points. Bnipe didymous by cohe- 

 sion of the carpids. — Woody plants ; leaves whorled, usually of different size in the whorl ; 

 flowers small, white, or red. 



4. R. nitida, L. Glabrous ; leaves chartaceous, shining above, 4(-2) in the whorl, 

 elliptical or lanceolate-oblong, pointed, tapering into the petiole : veins delicate, costate be- 

 neath ; cymes many-flowered j calyx h-fid, one-fourth as long as the pedicel, one-third to 

 one-fouith as long as the cylindrical corolla-tube : lobes rounded-ovate ; corolla bearded at 

 the throat : lobes half as long as the tube ; stigma-points exceeding the indusium ; drupe 

 emarginate : carpids semiovoid-roundish.—L. Ht. Cliffort. t. 9. — 12' high ; leaves variable, 

 2"-5" long ; corolla white : tube 3"'-2"', carpids 4"nong.,— Hab. Jamaica !, Maef., Pd., 

 Al., in mountain-woods, Manchester, S. Anns ; [Cuba I to S. Barthelemy]. 



5. R, canescens, L. Pubescent (or glabrescent) ; leaves membranaceous, 4(-3) in the 

 whorl, elliptical-oblong, pointed, shortly petioled: veins delicate, costate; cymes few- 

 flowered ; calyx fi-fid, half as long as the pedicel and as the cylindrical corolla-tube : lobes 



