STRUCTURE OF FRUITS 



213 



Fig. 144. Fruit of Butter- 

 cup. 1, aeterio of achenes ; 2, 

 section of an achene ; e, endo- 

 sperm ; em, embryo ; Pe, peri- 

 carp ; st, stigma ; t, testa. 



Fig. 145. Vertical Sec- 

 tion of a Strawberry. 

 a, remains of stamens on 

 edge of receptacle ; ac, 

 achenes ; /, fleshy outgrowth 

 of receptacle ; r, receptacle. 



Fig. 146. Vertical Section 

 of Hip of Rose. a, remains of 

 stamens on edge of receptacle 

 cup ; ac, achenes ; c, calyx ; r, 

 hollow receptacle ; st, stigmas. 



OV 



Fig. 147. 



Fruit of Dandelion. 



ov, ovary. 



