70 



APOCYNE^E. 



11 PARSONSIA. Stamens exserted ; anthers adhering; fila- 

 ments filiform, inserted near the base of the tube. Hypogynous 

 scales 5, distinct or combined. Corolla funnel-shaped. Folli- 

 cles 2, distinct or cohering. 



12 LYONSIA. All as in Parsonsia, except the fruit, which is 

 a 2-celled capsule, with parallel placentiferous dissepiments. 



13 THENA'RDIA. Stamens exserted ; anthers adhering ; fila- 

 ments simple, inserted near the base of the tube. Hypogynous 

 scales 5, distinct. Corolla rotate, with dimidiate segments. 

 Follicles twin. 



14 ADE'NUM. Stamens inclosed; anthers adhering, ending 

 each in a pilose bristle. Hypogynous scales wanting. Corolla 

 salver-shaped, with equal segments. Ovaria 2, globose. 



( * Tube of corolla furnished with 5 inclosed little scales, or 

 teeth inside. 



15 APOCYNUM. Teeth, in the tube of the corolla, 5, small, 

 acute, opposite the segments of the limb. Stamens inclosed. 

 Styles wanting. Hypogynous scales 5. Corolla campanulate. 

 Follicles slender. 



16 CRYPTOLE'PIS. Scales in the tube of the corolla 5, obtuse, 

 alternating with the segments of the limb. Stamens inclosed. 

 Hypogynous scales 5. Corolla funnel-shaped. Style none. 



17 EXOTHOSTE'MON. Scales in the throat of the corolla 5, 

 'opposite the segments of the limb. Stamens exserted. Hypo- 

 gynous scales 5. Style filiform. Corollas funnel-shaped. 

 Follicles torulose, slender. 



18 H^EMADICTYON. Scales in the tube of the corolla 5, alter- 

 nating with the segments of the limb. Stamens inclosed. Style 

 filiform. Hypogynous scales 5. Corolla salver-shaped. 



19 CERCOCOMA. Scales in the tube of the corolla 5?, alter- 

 nating with the segments of the limb.? Stamens inclosed. 

 Style filiform. Hypogynous scales 5. Corolla salver-shaped. 

 Follicles horizontal. 



* * * Throat of corolla crowned by exserted scales, or little 



tubes. 



20 PREST6NIA. Corona double, exterior one annular, and 

 quite entire ; interior one of 5 scales, which alternate with the 

 segments of the corolla. Urceolus hypogynous. 



21 BALFOU'RIA. Corona simple, tubular, crenulated. Hypo- 

 gynous scales none ; but there are 10 scales seated at the base 

 of the calyx, outside the corolla. Segments of corolla equal- 

 sided. Anthers ending in a short mucrone. 



22 NE'RIUM. Corona simple, of one series of divided seg- 

 ments. Hypogynous scales wanting. Segments of corolla 

 equal-sided. Anthers ending in a long awn each. 



23 STROPHA'KTHUS. Corona simple, of 10 undivided foliola. 

 Hypogynous scales 5. Segments of corolla tailed. 



TRIBE II. 



WRIGHTIE'^E. Fruit of 2 follicles. Seeds furnished with a 

 tuft of hairs at the lower end of the seed, or that end opposite the 

 umbilicus. Embryo with involute cotyledons. 



24 WRIGHTIA. Throat of corolla crowned. Tuft of hairs at 

 end of seed sessile. 



25 KIBATA'LIA. Throat of corolla not crowned. Tuft of 

 hairs at end of seed stipitate. Cercocbma, Wall. ? 



TRIBE III. 



ALSTONIE'A:. Fruit of 2 follicles. Seeds peltate, ciliated. 

 Cilia more elongated at both ends. 



26 ALSTONIA. Corolla salver- shaped, with a naked throat. 

 Anthers inclosed, free. Hypogynous scales none. 



TRIBE IV. 



GELSEMIE\S:. Fruit of 2 joined follicles, which are separable, 

 furrowed in the middle, 2-valved, 2-celled; valves l-celled, with 

 inflexed seminiferous edges, which constitute the dissepiments. 



27 GELSE'MIUM. Corolla funnel shaped. Stigma trifid. 

 Capsule ovate-oblong, rather compressed. Seeds imbricate, 

 membranous at apex. 



28 PLECTANE'IA. Corolla with a short ventricose tube, and 

 a twisted or coarctate limb. Stigma capitate. Anthers sessile. 

 Capsule follicular, very long, 2-celled ; seeds compressed, 

 winged. 



TRIBE V. 



TABERNEMONTA'N*. Fruit of 2 follicles, rarely solitary by 

 abortion. Seeds neither tufted nor winged, usually nestling in 

 the pulp of the fruit, albuminous. Stigma annular below, and 

 bifid at top. Anthers free, connivent. 



29 TABERNEMONTA V NA. Corolla funnel-shaped. Stamens 

 inclosed. Glands at the base of the calyx outside the corolla. 

 Seeds immersed in pulp. 



30 CAMERA' RIA. Corolla between funnel and salver-shaped. 

 Stamens inclosed ; anthers connivent, drawn out, each into a 

 thread. Style hardly any ; stigma obsolete. Follicles in- 

 flexed, emitting a lobe on each side. Seeds inserted into a 

 peculiar membrane. 



31 VA'HEA. Corolla funnel-shaped, naked, Lam. ; urceolate, 

 Roxb. Stamens inclosed, inserted in the bottom of the corolla. 

 Ovarium girded by an entire urceolus. Follicles twin. Seeds 

 immersed in pulp. 



32 VOACA'NGA. Corolla funnel-shaped. Anthers sessile, 

 inclosed. Stigma 3-lobed, seated on an annular disk. Follicles 

 twin, baccate. Seeds imbedded in pulp. 



33 REJOU'A. Corolla salver-shaped, naked. Stamens in- 

 closed ; anthers free. Stigma bicuspidate. Fruit solitary, elliptic, 

 sub-umbilicate, indehiscent. Seeds compressed, nestling in pulp. 



34 ORCHIFE X DA. Corolla funnel-shaped, having the throat 

 half closed by a tumid ring, Stamens inclosed ; anthers 

 connivent. Ovarium girded by a hypogynous ring. Follicles 

 twin, fleshy, globose. Seeds wrinkled, imbedded in pulp. 

 Albumen fleshy. 



35 PLUMIE'RA. Corolla funnel-shaped. Stamens inclosed ; 

 anthers connivent. Stigma clavate, emarginate. Follicles twin, 

 ventricose. Seeds furnished with a wing at bottom. Ovarium 

 girded by a hypogynous ring. 



36 CONOPHARY'NGIA. Corolla funnel-shaped. Stamens each 

 rising from a scrobicle ; anthers conniving into a cone. Stigma 

 sub-bifid. Follicles twin, slipper-shaped. Seeds like grape 

 stones, attached to a slender central column, or placenta. 



