PISTIL. 



97 



SO that the ovules are collected in a head in the centre of a 

 one-celled ovary. Such placentation is termed free cetitral. 





Fig. 75. Transverse 

 section of a one- 

 celled ovary with 

 free central placen- 

 tation. 



Fig. 76. Chinese Primrose 

 {Primula sinensis). 



The same kind of placentation is found in Chinese Primrose^ 

 Ardisia, and Utricularia, but in these plants there is no trace 

 of dissepiments at any stage of development of the ovary. 



Fig. 77. Utrtcuiaria stellaris. 

 H 



