3o8 Plants and their Ways in Sordh Africa 



Key to the Genera. 



Fruit i-seeded, mostly indehiscent. 



Ovary i-locular, style i . . . . Berzelia. 



Ovary 2-locular, 



Style I ; flowers axillary .... Tittmannia. 

 ,, I ; ,, solitary, terminal . . Thamnea. 



,,2; ,, capitate or panicled . Brunia. 



Fruit a capsule. 



Ovary 2-locular, 2-ovuled ; flowers capitate. 



Styles 2 ; petals free or slightly cohering . Berardia. 

 ,, I ; ,, ,, . . . . . Staavia. 



Ovary 2-locular, 4-ovuled ; flowers in leafy 

 spikes. 

 Flowers sympetalous, 5-lobed . . . Lonchostoma. 

 Flowers choripetalous, 5-lobed ; anthers 



apiculate Linconia. 



Ovary 3-loculate, 6-ovuled. 



Flowers in spike-like terminal heads, red . Al'DOUINIa. 



Order Rosace/e. 



Like the Ranunculaceas, the RosacCce have many free 

 stamens and apocarpous ovaries ; but in the Rosacese the 

 receptacle is generally hollowed, and the flowers are perigynous 



Fig. 280. — Flower of Peach witli stamens around the ovary. (From 

 Henslow's ".South African Flowering Pl.mts".) 



or epigynous. The carpels are often borne on a raised portion 

 of the receptacle, as in Ranunculacere. Sometimes the re- 

 ceptacle is free from the carpels, or it becomes joined to them, 

 as in the apple (epigynous), so that hypogyny, perigyny, and 

 epigyny occur. 



