APOCYNE^. 407 



into the corolla-throat : anthers suhsessile : 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 triplinerved ; flowers small, in corymbi- 

 form cymes. 



1. S. trinitensis, Gr. {n.sp.). Branches bearing woody tendrils .- branchlets appressed- 

 puberulous ; leaves leathery, ovate or elliptical-oblong, with a bluntish point, complicate- 

 rounded at the base, triplinerved with an accessory suprabasilar pair, and prominent reti- 

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

 nate, short ; calyx-segments 4, lanceolate, pointed ; corolla puberulous : lobes one-third as 

 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 V", calyx -£'"> corolla-tube 3'" long ; style shortly ex- 

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



2. ALLAMANDA, L. 



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, L. Leaves whorled, elliptical-oblong or oblanceolate, pointleted, 

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

 rolla-lobes roundish; disk 5-lobed; "seeds narrowly winged." — Bot. Mag. t. 4411. — A. 

 Aubletii, Pohl. — Corolla yellow, 3"-4"long : narrow part about 1" long — Hab. Naturalized 

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

 Brazil!]. 



3. THEVETIA, I. 



Calyx 5-partite. Corolla large, infundibular, narrow at the base. Stamens inserted below 

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

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

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



3. T. neriifolia, Juss. Leaves linear, glabrous ; shining above ; calyx-segments lan- 

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

 as long as its enlarged tube. — Jacq. Amer. Pict. t. 47. Tuss. Fl. 4. t. 7. Desc. Fl. 3. 

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

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

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



4. RAUWOLFIA, Z. 



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

 throat. Ovaries 2, distinct or slightly cohering, fcw-ovulate, surrounded by an urceolate 

 disk : stigma indusiate : indusium often including the 2 points. Drupe 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 ; calyx 5-fid, one-fourth as long as the pedicel, one-third to 

 one-fourth 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"'long.— Hab. Jamaica!, M acfi, Pd., 

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



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

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

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



