152 



GYNCECIUM. 



[CH. XI 



are borne along the leaf's united edges. The ovary 

 finally developes into the pod and the ovules into peas, 



FIG. 70. 

 FLOWER OF THE SWEET PEA. 



In the central figure is seen the keel (K), through the walls of which cnn 

 be seen the swelling ovary and some of the stamens. The style 

 projects from the apex of the keel. C, the calyx. 



The lower figure gives the 9 united filaments, the 10th or free stamen, 

 and the projecting style. 



The upper figure gives the horizontal ovary containing ovules, and the 

 vertical style G. 



when it is a familiar fact that the peas are attached along 

 one edge partly on the right and partly on the left-hand 

 valve of the pod, 



