1 76 Plants and their Ways in South Africa 



Tripteris, Triaspis, Dodonaea, Combretum (Roodeblad), 

 and Portulacaria (Spekboom) have winged fruits. 



A winged fruit is a samara. 



In the fruit of the grasses the ovary wall and the seed-coat 

 become attached to each other. On the grain of Maize a little 

 point on one side indicates the place where the style, the silk, 

 was borne. 



A dry one-seeded fruit in which the ovary wall and seed- 

 coat are attached is called a caryopsis. 



A dry fruit which splits into several portions each contain- 



FIG. 169. Samara of Combretum. 



ing a seed is a schizocarp. Some of the Malvacece have this 

 fruit. It is found in the fruit of the Geranium family, the 

 Euphorbias, the Umbellifera, Labiate, and others. 



Schizocarps are of various kinds. They may be two, three, 

 or many parted. They may retain the seed or let it escape. 



