Euphorbia.^ 



7 / . EUPHORBIACE^. 



175 



Styles or their arnia slender (except 

 lobes spreading. 



Stamens 3-6. 

 Glochidion). 



Perianth of male flowers G-lohed, 

 FJovveis monoicous. 



Disc present in both sexes ... ... ... ... ...PHYLLANTHtra. 



Disc absent. Styles conlluent ... ... ... ...GlochIDIon. 



Perianth of male flowers turbinate, lobes minute ...Breynia. 



Perianth of male flowers rotate, 6-lobed, lobes spurred .Sauropus. 



Sepals 5. Flowers dioecious ., ... ... ...Flukggia. 



Stamens few or many. Styles or stigmas 2-3, dilated. 



Leaves entire or serrulate. Fruit a drupe. 



Stamens 2-3. Ovary 2-3-celled 



Stamens 8 or manj'. Ovary 1-celled 



Stamens many. Ovary 2-4-celled... 



Leaves trifoliate. Stamens 5 



Styles or stigmas very minute. 



Male flowers in catkins. Fruit dehiscent... 



Male flowers in spikes or racemose. 



Fruit small, compressed, rugose, not arillate 



Fruit large, coriaceous. Seeds arillate ... 



Cells of ovary 1 ovuled. 



Flowers in terminal, unisexual cymes or with the cen- 

 tral flower female. Petals present. 



Fruit capsular 



Flowers in terminal, androgynous spikes. Males 

 petaliferous. 



Females often apetalous. Filaments inflexed in bud , 



Miile flowers petaliferous. Females often apetalous. 

 Filaments straight. 



t'epals imbricate. Petals united. Fruit a drupe 



Sepals imbricate, Petals free. Fruit a capsule. 



...puteanjiva, 

 ...Hemicyclia. 

 ...Cyclostemon. 



...BiSCHOFIA, 



...Apoeosa. 



...Antidesma. 

 ...Baccaurka. 



.Jatbopha, 



..Croton. 



.GiVOTIA, 



Sepals enlarged in fruit. 



Petals present in female flower ... 



Petals absent in female flower 



Sepals valvate. Petals 4-8... 



Flowers apetalous. Calyx of male closed in bud, 



membranous, splitting into 3-5 concave sepals. 



Stj'les long, bifid or multifi<l. 

 Filaments free. 

 Stamens 4, Anthers 2-celied. 

 Capsule drupaceous Anther cells parallel . . . 

 Capsule dry. Anther cells globose 

 Stamens 1, few or many. Anther cells 3-4-locellate. 



Styles very long 2 fid 



•Styles entire 



Filaments variously connate in bundles. 



Flowers dioecious in axillary spikes 



Flowers monojcious in terminal panicles 



Calyx of male minute and open iu bud or obsolete. 



Male calyx terete, 2-3-lobed 



Calyx terete, 3-partite ... 



EUPHORBIA, Linn. 



...Blachia. 



. . .Dl MOR PHOCALYX, 



.. . Ag rostistachys. 



.. Trewia. 

 ...Mallotus. 



...Clriuion. 

 ...Macauanga. 



,. homokoia. 



..PvICINUS. 



...Sapium. 

 ...Exccecaria. 



Herbs or shrubs often with much milky juice. Leaves of the 

 stem alternate, with or without stipular spines or opposite and sti- 

 pulate, leaves of the flowering branches opposite. Flowers monoi- 

 cous, consisting of many male and 1 female flower in a small peri- 

 anth like involucre ; lobes with thick glands at the sinuses ; glands 

 with often a petaloid wing. Male fl. : 1, 2-celled anther on an arti- 



