76 



STuruiLLU. Flower* in terminal panioloe. 



O O Ovary-rndiment none. Stamens central or round a central disk, not pulyadul- 

 phons. 

 { Flower dioeoions. 



Cnpsulo dmpaceoas. 



Tbbwu. Flowers in axillary racemes. Seeds with arillus. 



Capsule di-y. 



II Seeds without arillus or spermophore. 

 Mallotus. Calyx flask-shaped, irregularly bursting. Authors 2-cellod. Flowers racemose. 



AuHoESBA. Calyx deeply divided. Anthers 2-colled. Flowers racemose. 



Macabanoa. Calyx deeply divided. Anthers 3-4-oelled. Flowers panioled or racemose. 



Cliidion. Calyx deeply divided. Anthers 4U!oUod. Male flowers racemose, females solitary. 



II jl Seeds with an arillus or spermophore. 

 Blumkodendkok. Seeds arillato. Capsules large, woody. Flowers in racemes. 

 CoBLODlscrs. Seeds arillate. Stamens numerous. Flower-buds usually apicniate. Flowers in short liracted 



racemes or spikes, or clustered. Capsules not compressed or appendagcd. 

 Hyxknocakdia. Seeds with spermophore. Capsules 2-celled and samaroid-compressed. Kale flowers amentaceous. 



females in short racemes or solitary. 

 Claoxylok. Seeds arillate. Capsules not compressed or appendaged. Flowers in spikes. 



I J Flowers monoecious. 

 ACALYPHA. Seeds with spermaphoro. AntUor-cells almost serpentine, the connective not produced. Flowers racemose 



or spicate. Erect herbs or shrubs, 

 Traoia. Seeds without spermaphore or arillus. Connective of anthers not produced. Flowers racemose. Erect 



or twining shrubs. 

 Cnbsxone. Seeds arillate. Connective long produced beyond the cells. Flowers racumose. Twining shrubs. 

 Dalbchampia. Seeds without spermaphore or arillus. Flower-heads enclosed in a large 2-leafed involucre. Twin- 

 ing shrubs. 



rary.rudiment none. Stamens central, polyadelphous. 

 BtClNi'S. Monoecious. Seeds with spermaphore. Flowers racemose. 



HoMONOYA. Dioecious. Seeds with a fleshy sappy testa. Flowers racemose or spicate, or the females solitary. 

 yi X Calyx imbricate in bud (or sometimes wanting). 



Petals present, or if suppressed, the hypogyuous glands opposite the calyx-segments. 

 + Fruit capsular dry. 



+ Flowers in terminal or axillary panicles. 

 Manihot. Stamens inserted round an iutrastaminal disk. Seeds with spermaphore. 

 Jatkopjia. Stamens central. Seeds with spermaphore. 

 OsTODEs. Stamens numerous, on a convex central reeoptacle. Capsule woody. Seeds naked. 



f t Flowers in elongate or umbel-like racemes. 

 Codiaecm. Seeds with spermaphore. Stamens central, on an elevated receptacle. 

 Trigonosibhon. Seeds without spermaphore. Stamens central, on a flat receptacle. 

 + + Fruit a drupe, indehiscent. 

 + Flowers in racemes. 

 Galeabia.. Petals indnplicate, almost valvato. Stamens round an ovary -rudiment. 



+ f Flowers clustered. 

 HiCBODESMlS. Petals flat, imbricate. Stamens round an ovary-rudiment. 

 O Petals absent. 



-J- Flowers not enclosed in an involucre. 



+ Flowers clustered, or the cluster arranged in racemes or rarely panicled. 

 Chaetocarpus. Stamens round an ovary -rudiment. Seeds arillate at base. Capsules woody-coriaceous. 

 Gelonium. Stamens central. Ko ovary rudiment. Seeds naked. Capsules flesliy.leatheiy. 

 BaliospebMUM. Stamens central, no ovary-rudiment. Seeds arillate at base. Capsules dry, crnstsiceous. 



1 1 Flowers in racemes or spikes, sometimes amentaceous. 

 Cabumbiuh. Capsule with a more or less fleshy or sappy epicarp, dehiscent. Seeds arillate. Trees or shmbs. 

 Excoecaria. Capsule dry, woody or crustaocous. Seed naked. Trees or shrubs. 

 Sapium. Capsules dry. Seeds with a spermaphore or spurious arillus. AH American. 

 Sebastlanu. Capsule dry-cru.staceous. Seeds with a thick fleshy spermaphore. An nndershrub. 



+ -( Flowers clustered, enclosed in a calyx-like more or less turbinate, bell-shaped or 

 slipper-shaped involucre. 

 EuPHOBBtA. Involucre bell-shaped or turbinate, bearing glands between the lobes. 



Pedilanthus. Involucre regularly slipper-shaped and 2-lipped, or irregularly so with an appendage on the back, 

 the glands situated on the bottom of the upper-lip, or altogether -wanting. 



GLOCHIDION. 



Stamens 5 {rarely 8-4). 



Ovary, and often also the capsule, pubescent, or mlhus. lemale flowers sessile 

 or nearly so. 



Young branchlets calyx and pedicels puberulous or pubescent ; style-column conical. Cap- 

 sule 8-12-celled, fleshy-coriaceous, white, or with scarlet hue, G. coccincunt. 



All parts, also calyx and pedicels, quite glabrous; style-column cylindrically-conieal, at top 



6-8-toothed ; capsules glabrous, 6-8-celled, .G. lanccolarium. 



O Ovary and capsule glabrous. Female flowers more or less pcdicelled. 



Style-column minute, deplanate-conioal with a broad base. Capsule 1 0-15-celled, fleshy- 

 coriaceous, G. multiloculare. 



Style long, funnel-shaped-clavate. Capsules 4-3-coccous, G. suhscandem. 



* Stamens 3. 



X Styles more or less funnel-shaped or at least tapering at base, the stigmas short 

 and tubercle-like. 



