EUPHORBIACEAE 81 



MELIA. Chinaberry. 



Deciduous trees with firm brown wood with small ducts 

 more crowded in spring and somewhat undulately tangentially 

 lined in summer, and rather fine medullary rays; moderate 

 terete twigs; round continuous pith; somewhat raised 3-lobed 

 leaf -scars with 3 compound bundle-traces; rounded sometimes 

 superposed buds with few expo&ed scales; twice or thrice pin- 

 nate long-petioled leaves with toothed leaflets; perfect poly- 

 petalous open lilac loosely clustered flowers with monadelphous 

 stamens; and moderate-sized round yellowish translucent 

 berry-like drupes. 



Tree round topped. M. Azedarach. 



Tree umbrella-shaped. M. Azedarach unbraculiformis. 



Family EUPHORBIACEAE. Spurge Family. 

 A very large widespread family, largely herbs, with milky 

 acrid sap; yielding Brazilian India-rubber, cassava or tapioca, 

 the principal bread-stuff of the tropics, the source of medicinal 

 croton oil and castor oil, and including the poinsettia and 

 "crotons" of florists. The castor bean is much used for tall 

 temporary foliage masses. 



ANDBACHNE. 



Deciduous small shrubs with slender fluted twigs; small 

 3-sided continuous brown pith; alternate small somewhat raised 

 half-elliptical leaf-scars with a single bundle-trace; narrow 

 stipule-scars or elongated persistent stipules'; sessile ovoid 

 buds with several exposed ciliate scales; rather small simple 

 entire short-petioled leaves; monoecious polypetalous or apet- 

 alous inconspicuous slender-stalked axillary flowers; and de- 

 pressed 3-lobed capsules with six 3-sided pale seeds. 

 Leaves elliptical, glabrescent. A. phyllanthoides. 



SECURINEGA. 



Deciduous small shrubs with slender somewhat angled 

 twigs; relatively large rounded or angular continuous white 

 pith; alternate small raised crescent-shaped leaf-scars with a 



