210 



Plants and their Ways in South Africa 



FF. Leaves stipulate; ovule i, 



basal, erect, orthotropous. 

 Herbs with sheathing (ochra- 



ceous) stipules . . . POLYGONACE^E. 

 Herbs or shrubs, stipules not 



ochraceous .... URTICACEJE. 

 EE. Ovule pendulous, trees or shrubs, 



milky, leaves stipulate. 

 Flowers clustered in fig-like re- 

 ceptacles M GRACED. 



EEE. Ovules basal becoming parietal, 



or axillary. 



Fruit a capsule or of separable 

 nuts, leaves exstipulate, xero- 

 phytic herbs .... AIZOACE;E 



(FICOIDE.E). 



CC. Perianth perigynous. 

 DD. Carpels syncarpous. 



Fruit fleshy or dry, trees with alter- 

 nate exstipulate leaves, or cord- 

 like parasites .... LAURACK^E. 

 Fruit a capsule, placentation parietal, 

 stamens many, with petaloid 

 staminodia ; fleshy herbs, leaves 

 usually opposite .... AIZOACE^;. 

 CCC. Perianth epigynous. 



Fruit a nut ; monoecious, trees, leaves 

 alternate with scaly stipules . . FAGACE^;. 

 BB. Calyx corolloid. 



C. Perianth hypogynous. 



D. Carpels apocarpous ; leaves exstipu- 

 late. 



E. Achenes few or many, bracts not 

 showy ; stamens many, herbs 

 or climbing shrubs . . . RANUNCULACE^. 

 EE. Achenes i, bracts often showy. 

 Stamens 4 opposite and adnate to 

 calyx lobe ; leaves alternate, 

 shrubs or trees . . . PROTEACE^E. 

 Stamens 1-5 or more by branch- 

 ing, alternate to calyx lobes, 

 hypogynous ; leaves opposite, 

 herbs or climbing shrubs . NYCTAGINACE^E. 

 DD. Carpels syncarpous ; leaves stipulate. 

 Fruit a three winged or angled nut ; 



herbs POLYGONACE^. 



Fruit a capsule, fleshy herbs, stipules 



not sheathing: . PORTULACACE<E. 



