DICOTYLEDONS: ARCHICHLAMYDE^E 285 



It must not be thought that in this family and its allies the 

 sepals and the petals are always just five in number; for 



FIG. 280. Apocarpous flower of a buttercup, showing the head of distinct carpels. 

 After BAILLON. 



they may be more numerous and may become even in- 

 definitely numerous, as in the water-lily. Other well- 



A B C 



FIG. 281. Flowers and pods of the Mustard Family: A, cluster of flowers and 

 young pods; B, ripe pod; C, opening pod showing seeds attached to the false 

 partition. After WARMING. 



