162 PROTANDRY. [CH. XII 



such leaves so fitted together that the resulting ovary is 

 divided into three compartments ; this may be seen in a 



A 



- />> == 

 A 



FIG. 73. 



YOUNG FLOWER OF A SlLENE, PARTIALLY DISSECTED. 



C, one of two remaining fragments of the calyx. 



G, the internode (anthophore) which is surmounted by the ovary, and 



bears the petals and stamens. 

 P, P, the two remaining petals. 



A, A, anthers ; three of the stamens have been removed. 

 S, the immature styles. 



transverse section of the ovary, which will also show the 

 ovules springing from the point of union of the three 

 component carpels. The existence of three carpels is indi- 

 cated, not only by the three compartments of the ovary, 

 but also by the three styles which surmount it. 



In the young flowers (fig. 73) the styles are seen to be 



