IV KEY TO NATUllAL ORDERS. 



8. Bixinece. — Trees or shrubs. Leaves simple, alternate. Sepals 4 

 or 5. Stamens indefinite, free or connate. Seeds few or many, on 

 parietal placentas. Albumen fleshy. 



9- Fittosporcce — Trees or shrubs. Leaves simple, alternate cxstipn- 

 late. Sepals unequal. Stamens 5. Embryo minute. Seeds albumin- 

 ous. 



10. Tamarisciiieo'. — Small trees or shrubs. Leaves alternate, scale- 

 like. Flowers regular, bisexual ; sepals and petals each 4, u. Stamens 

 as many as petals or twice as many- Ovary 1 -celled. Seeds tufted. 



11. GuUiferce. — Resinous trees, juice often coloured- Leaves coria- 

 ceous, opposite, without stipules. Flowers unisexual or polygamous. 

 Calyx imbricate. Stamens indefinite, free or connate. Ovai-y syncarp- 

 ous. 



12. Ternstra^miacece. — Trees or shrubs. Leaves alternate. Flowers 

 regular, bisexual. Stamens indefinite, free or connate at base. Ovaiy 

 3-5-celled. Embryo oily. 



13. Dijiterocarpecp. — Trees (1 genus climbing shrubs). Leaves alter- 

 cate, entire, often with largo stipules. Flowers harraaphrodite. Calyx- 

 segments usually enlarged in fruit. Cotyledons thick. Albumen 0. 



14. Malvacece. — Herbs, shrubs or trees. Leaves alternate, stipulate, 

 simple, often palmi-nerved. Stamens numerous, monadelphous ; anthers 

 1-celled. Ovary syncarpous with axile placentation. Fruit a dehiscent 

 capsule. 



15. SlerculiacecB. — Trees, shrubs or herbs. Leaves alternate, simple, 

 or digitate- Stamens monadelphous or free ; anthers 2-celled- 



16. TiUacecp. — Trees, shrubs or herbs. Leaves alternate, simple with 

 deciduous stipules. Stamens indefinite, usually free ; anthers 2-celled. 



B. Disciflorse — Torus usually disciform, free or adnate to the 

 calyx or ovary or to both, rarely absent. Ovary superior or more 

 or less immersed in the disc. 



1 7. Linecp. — Herbs or shrubs, rarely trees. Leaves simple, alternate, 

 Btipulate. Stamens definite, more or less connate below. Disc glandular 

 or absent. Styles free or connate. Albumen fleshy. 



18. Malpighiacece, — Climbing shrubs. Leaves opposite, entire. 

 Flowers bisexual, pentamerous. Stamens 10. Ovary 3-lobed. Fi-uit 

 winged. 



19. Getaniacece. — Herbs or shrubs, rarely trees. Leaves simple or 

 compoand. Stumens definite. Ovary angular or lobed. 



20. Tliitacece. — Trees or shrubs. Leaves simple or compound, glan- 

 dular-dotted. Disc annular thick. Stamens as many or twice as many 

 as petals, rarely indefinite. 



21. Simaruhem. — Trees or shrubs with bitter bark. Leaves alternato, 

 nsnally compound. Flowers small. Filaments generally hairy. Ovary 

 lobed. 



