CXV. EUPHORBIACEiR. 



659 



Flowers dioecious or separate-monoecious ; inflorescence mostly 

 axillary or lateral ; perianth of sepals always present, some- 

 times also petals. 

 Stamens of the outer or only series opposite the sepals, or, 

 if stamens all in centre of ilower, the cells of the 2-uiany- 

 carpellcd ovary each 2-ovulate ; petals when present 

 minute ; sepals 1-2-seriate ; inflorescence lateral or axil- 

 lary. 



Leaves 3-foliolate 2. Biscuofia. 



Leaves simple, entire (sometimes serrulate in Cyclo- 

 sternun). 

 Males in axillary fascicles or solitary, axillary. 

 Corolla of 5 (rarely 6) scale-like petals. 

 Calyx lobes or segments 5, valvate. 



Ovary 2-celled ; fruit a drupe 3. Bridelia. 



Ovary 3-celled ; fruit a capsule 4. Oleistanthus. 



Calyx of 5-6 imbricate sepals. 



Disk of males broad, entire or 5-lobed ; 



large shrubs or small trees 5. Actephila. 



Disk (if males of distinct glands ; herbs or 



underslu'ubs 6. Andracune. 



Corolla absent in both sexes ; sepals imbricate. 

 Styles cmilluent in a long or short colunui or 

 cone; disk in either sex; anthers 3-8 



adnate to a central column 7. Glociiidion. 



Styles separate or if partly connate the style- 

 arms and stigma free. 

 Styles or style-arms slender. 



Pistillode in males large ; disk present 

 in botli sexes ; stamens 3-5 ; fila- 

 ments free; dioecious shrubs 8. Fluggea. 



Pistillode absent in males. 

 Disk in either sex. 



Stamens 3 ; filaments united in 



a column. 



Anthers sessile on the angles 



of a 3-gonous column ; 



small monoecious slirubs 



or under.shrubs 9. Sauropus. 



Anthers adnate to whole 

 length of colunan ; monoe- 

 cious shrubs or small 



trees 10. Brkvnia. 



Disk present in the female aiir" 

 often in male flowers ; filaments 



free or united 11. PnYLLANTnus. 



Styles much dilated ; fi-uit an indehiseent 

 drupe. 

 Stamens 2-4 central ; drupel-seeded . 12. Putran.iiva. 

 Stamens 4-qo , round an orbicular 

 disk. 

 Ovary usually 1-celled; dicccious 



trees or shrubs 13. HemiCyclia. 



Ovary 2-4-celled ; dioecious trees... 14. Cycloste.mon. 

 Males in axillary spikes racemes or panicles; stamens 

 free round a rudimentary pistillode ; fruit indehis- 

 eent ; trees or slirubs usually diu'cious. 

 Seeds without an aril. 



Ovary 1-celled ; flowers of both sexes in slen- 

 der racemes or spikes ; stamens 2-5 15. Antidesma. 



Ovary 2-cened ; males in catkin-like spikes ; 



females clustered ; stamens 1-5 16. Aporosa. 



Seeds with an aril ; ovary 2-3-celled ; flowers in 



racemes; stamens 4-8 17. Baccaurba. 



