ELEMENTS OF STRUCTURAL BOT.\NY. 



83 



constitute the pistil (Fig. 45), just as the 

 carpels of the Buttercup are attached to the 

 raised receptacle of that flower. 



We must remind you again that when- 

 ever the ovai'y is enclosed in the calyx- tuhe, 

 aud the calyx appears to spring from the ^ 

 summit of the ovary, the latter is said to be inferior, 

 and the former superior. 



SWEET-BEIEK. 



45. 



Crab-Apple. The flower of the Crab-Apple 



(Fig. 4G), is 

 in most re- 

 spects, like 

 thatof Sweet- 

 Brier. The 

 calyx is gam- 

 osepalous, its 

 parts being 

 united below 

 into a tube. 

 The corolla is 

 of five separ- 



Fig 46. 



Fig. 47. 



