EXPLANATION OF THE PLATE. 



PliATE CCCX. HiPPOMANE MaNCINELLA, 



1. A flowering and fruiting branch, natural size, 



2. Diagram of a staminate flower. 



3. Diagram of a pistillate flower. 



4. A cluster of staminate flowers inclosed by their bract, enlarged 



5. A staminate flower, enlarged. 



6. A staminate flower, the anthers slightly diverging, enlarged. 



7. A pistillate flower, enlarged. 



8. Vertical section of a pistillate flower, enlarged. 



9. Cross section of an ovary, enlarged. 



10. An ovule, much magnified. 



11. Vertical section of a fruit, natural size. 



12. Cross section of a fruit, natural size. 



13. A nutlet, natural size. 



14. A seed, enlarged. 



15. An embryo, enlarged. 



16. Portion of a young branchlet with stipule, enlarged. 



