231 



11. Eacemes all terminal 



Racemes nearly all axilla lj ... 



12. Racemes reduced, ovate 

 Racemes slender, elongated ... 



13. Stamens numerous ... ... .>. 



Stamens 2 or 3 ... 



14. Calyx segments imbricate 

 Calyx breaking open valvately 



15. Leaves trifoliate 

 Leaves simple ... 



16. Leaves opposite 



Leaves alternate, palmately lobed 



17. Male flowers in catkins 



Male flowers in racemes or panicles ... 



18. Leaves serrate, crenate or dentate 

 Leaves entire ... 



19. Leaves with thread-like glands at top 



of petiole ... 

 Leaves without thread-like appendages 



20. Styles bifid 



Styles undivided, fringed or not 



21. Capsule 3-celIed 

 Capsule 2-celled 



22. Leaves palmately nerved or acuminate- 



caudate 

 Leaves pinnately nerved, acute or obtuse 



23. Ovary 1-2-celled 



Ovary 3-celled ... ... ... .•.. 



24. Ovary 1-ceUed, styles 3 

 Ovary 2-celled, styles 1 or 2 ... 



25. Stigmas united into a disc 

 Stigmas and styles 2 ... 



26. Flowers in clusters along panicle 



branches ... 

 Flowers racemose 



27. Herb 



Shrub or tree ... 



28. Sepals thick with a thin white margin 

 Sepals plain 



29. Male calyx turbinate ... 

 Male calyx open 



30. Stamens alone in the male flower 

 Rudiment of ovary with stamens in 



male flower 



31. Petals present ... 



Petals absent 



13. 



12. 



2. Sarcoeocca, 

 33. Excoecaria, 



30. Homalanthus. 



31. Sapium, 



17. Jatropha. 



18. Aleurites. 



12. Bischo'ffia. 



16. 



3. Buxus. 



28. Ricinus. 



13. Aporosa. 



18. 

 19. 

 23, 



24. Alchornea. 



20, 



26. Cleidion, 



21. 

 22, 



27, Macaranga. 



25. Mallotus. 

 22. Claoxylon. 



24. 

 25, Mallotus. 



15. Antidesma, 



25. 



29. fhidospermum, 



26. 



4. Bridelia, 



14. Daphniphyllum. 



28. 

 29. 



5. Agyneia, 



7. Phyllanthus. 

 11. Breynia. 



30. 

 7. Phyllanthus, etc. 



31. 



16. Microdesmis. 

 10, Fluggea. 



1. Leaves stipulate 

 Stipules wanting 



1.— EUPHORBIA. 



Key to species. 



