OCII. EUPHOEBIACE^]. 695 



TRIBE VIII. HIPPOMANE&. 



Ovarian cells 1-ovuled. Stamens sometimes inserted around a central disk. 

 Anthers erect in bud. Flowers in the axils of the bracts, or involucrate. Involucres 

 1-sexual. Calyx of $ quincuncial in aestivation. 



* Flowers exinvolucrate, bracts never connate. 

 f Flower ivith petals, or ivith the glands of Hie extrastaminal disk opposite the sepals. 



Sub-tribe I. BENNETTIE^;. Petals induplicatively imbricate. Stamens inserted around a 

 rudimentary ovary. Bennettia. 



Sub-tribe II. POGONOPHOREJE. Stamens inserted around a rudimentary ovary. Stamens 

 equalling the sepals, or if more the outer opposite the sepals. Pogonophora, Hicrodesmis. 



Sub-tribe III. ACIDOCROTONE.J;. Stamens central, rarely surrounding the rudiment of 

 an ovary. Outer stamens alternating with the petals. Acidocroton. 



Sub-tribe IV. CLUYTIE.S. Stamens inserted around a rudimentary ovary, alternate with 

 the sepals. Petals perigynous. Gluytia. 



Sub-tribe V. MANIHOTE.ZE. Stamens inserted around a central disk. *Manihot. 



Sub- tribe VI. JATROPHEJE. Stamens inserted around a central receptacle or a rudi- 

 mentary ovary, equalling the sepals in number, or the outer alternating with them. *Jatropha, 

 Trigonostemon, Ostodes, Oodicewn, &c. 



Sub-tribe VII. CoflTOCABP&X. Stamens inserted around a rudimentary ovary, outer 

 alternating with the sepals. Petals suppressed. Chcetucarpus. 



f f Flowers absolutely apetaloits. Disk glands if extrastaminal and isomerous never opposite 



the sepals. 



Sub-tribe VIII. CHEILOSE^. Stamens inserted around a rudimentary ovary, outer 

 alternating with the sepals. Cheilosa, Cunuria. 



Sub-tribe IX. MISCHODONTE^E. Stamens inserted around a rudimentary ovary, opposite 

 the sepals. Disk suppressed. Mischodon. 



Sub-tribe X. GELONIE^;. Stamens central, or surrounding a rudimentary ovary, as 

 many as the sepals, or the outer series opposite the sepals. Baliospermum, Gelonium, Om- 

 phalia, &c. 



Sub-tribe XI. Adenoclinece. Flower not compressed. Stamens inserted around a 

 conical glandular receptacle. Adenocline, &c. 



Sub-tribe XII. STOMATOCALYCEJE. Flower compressed. Stamens inserted around a 

 central area. Stomatocalyx. 



Sub-tribe XIII. CAEUMBIEJB. Flower compressed. Stamens central. Wartmannia, 

 Carumbium. 



Sub-tribe XIV. EUHIPPOMANE.E. Flower not compressed. Stamens central, equalling 

 the sepals in number, or the outer alternating with the sepals. Mabea, *Stlllingia, Sebastiania, 

 Hippomane, Excwcaria, Colliguaya, &c. 



