SYMPETALAE '6$ 



absent in the female flowers. Ov^ary sessile. Style short. Stigmas 5. 



Leaves lobed. Cylicomorpha, 163. Caricaceae. 



Flowers dioecious. Calyx of free sepals. Corolla with a short tube. 

 Staminodes present in the female flowers. Ovary shortly stalked. Style 

 long. Stigma i, lobed. Leaves undivided. 



Cercopetalum, 87. Capparidaceae. 



711. Styles 5, free. Stamens 10, united at the base. Calyx with imbricate, 



corolla with contorted aestivation 108. Oxalidaceae. 



Style I, simple or divided ; in the latter case calyx with valvate aestiva- 

 tion. 712 



712. Leaves exstipulate, undivided 189. Ericaceae. 



Leaves stipulate. Calyx with valvate or closed, corolla with contorted 



aestivation 713 



713. Anthers i-celled, opening by a single slit, twisted, 5. Leaves digitate. 



Trees Ceiba, 143. Bombacaceae. 



Anthers 2-celled, opening by two slits or pores. 144. Sterculiaceae. 



714. (708.) Corolla of numerous divisions. Styles 5. Leaves without stipules. 



Herbs Orygta, 72. Aizoaceae. 



Corolla of 5 divisions 715 



715. Corolla with valvate aestivation. Shrubs or trees. 



145. Scytopetalaceae. 

 Corolla with imbricate or contorted aestivation 716 



716. Calyx with valvate or closed, corolla with contorted aestivation. Leaves 



stipulate 717 



Calyx with imbricate aestivation. Leaves exstipulate, undivided. Shrubs 

 or trees 719 



717. Anthers 2-celled 144. Sterculiaceae. 



Anthers i-celled. Filaments united. Embrj^o curved. . . . 718 



718. Leaves palmately compound. Trees 143. Bombacaceae. 



Leaves simple. 142. Malvaceae. 



719. Stamens 15. Style simple, with 5 stigmas. Albumen abundant. 



Ficalhoa, 189. Ericaceae. 

 Stamens more than 15. Albumen scanty or wanting. 148. Theaceae. 



720. (552.) Style I, or styles 2 or more, united at the base or apex. . . 721 

 Styles 2 or more, entirely free 725 



721. Stamens numerous. Filaments united. Anthers i-celled. Ovaries 5 ar 



more. Calyx with valvate, corolla with contorted aestivation. Leaves 



stipulate 142. Malvaceae. 



Stamens 2 — 5. Ovaries 2 — 5 722 



722. Fertile stamens 2 or 4. Ovaries 4, one-ovuled. Flowers usually irregular. 



Leaves usually opposite or whorled 206. Labiatae. 



Fertile stamens 5. Flowers usually regular 723 



723. Ovaries 4, one-ovuled. Style or style-branches stigmatose at the apex 



or between the apical lobes. Disc present. Leaves, at least the upper 



