244 cxxxv. EUPIIORBIACEA;. (J. I). Hooker.) [Euphorbia* 



Flowers in terminal panicles. Stamiual bundles indefinite. *GO. Ricixus. 



Subtribe 5. GELONIE.E. Flowers in axillary or leaf-opposed clusters, 

 rarely panicled or racemed, apetalous. Sepals of male imbricate or calyx 

 shortly tootbed. Stamens numerous, central in the flower. Fruit dehiscent 

 or tardily dehiscent. 



Male fl. racemed. Calyx 4-toothed. Styles flat. Fruit 



iudehiscent 61. ENDOSPERMUM. 



Male fl. fascicled. Sepals 5. Fruit smooth, indehisoent .62. GELOMUM. 

 Male fl. fascicled. Sepals 4-5. Capsule echinate or hispid, 



3-coccous 63. CITJETOCARPUS. 



Male fl. in panicled cymes. Sepals 4-5. Capsule of 3 2- 



valved cocci C(. BALIOSPERMUM. 



Subtribe 6. PLUKENETIE^E. Flowers in axillary spikes or racemes, 

 apetalous. Male calyx valvate. Styles connate. Fruit capwnlar. Leaves 

 alternate in all. 



t Erect shrul). Filaments inflexed in bud. 



Spikes androgynous. Fern, calyx at length foliaceous . . 65. EPIPRINUS. 

 ft Twining shrubs. Filaments straight in lu(L 



Racemes androgynous. Male calyx 4-5-partite. Stamens 



8-30. Style-column globose or cylindric .... fi(5. PLUKENETIA. 



Racemes androgynous. Male calyx 3-5-partite. Stamens 



1-3. Styles spreading above . . 67. TRAGIA. 



Racemes androgynous. Male calyx 3-lobed. Stamens 3. 



Style-column fleshy 6S. CNESMONE. 



Racemes unisexual. Male calyx 3-lobed. Stamens 3. Style- 

 column globose 3-cleft 69. MEGISTOSTIGMA. 



Racemes androgynous. Male calyx 4-6-partite. Stamens 



20-30. Style-column stout or slender 70. DALKCHAMPIA. 



Tribe VI. Hippomaneae. Perianth single. CaJyx of male minute 

 and open in bud, or obsolete. Trees or shrubs (except Sebastiania). 



Racemes axillary. Male calyx compressed, 2-fid. Stamens 



12-15 71. PlMELEODEXDKON". 



Racemes terminal. Male calyx compressed, 2-partire. 



Stamens 6-50 *71. HOMALANTHUS. 



Racemes terminal. Male calyx terete, 2-3-lobed. Sta- 

 mens 3 * 72. SAPIUM. 



Racemes lateral or terminal. Calyx terete, 3 partite. 



Stamens 3 73. KXCCECARIA. 



Annual. Racemes axillary and terminal 71. SKBASTIANIA. 



GENERA OF DOUBTFUL AFFINITY. 

 75. LOPHOPYXTS. 76. BOTRYOPHORA. 



1. EUPHORBIA, Linn. 



Herbs or shrubs of various habit with copious milky jnice. Inflorescence 

 of many male and one female flower in a small 4-o-lobed turbinate or cam- 

 panulate perianth-like involucre ; lobes with thick glands at the sinuses; 

 glands with often a petal-like spreading white or coloured limb. MALE il. 



