42 



THE SECOND BOOK OF BOTANY. 



where each organ is inserted. Take, for example, 

 the morning-glory, and observe whether the calyx 

 arises below the ovary or not. If you find it is in- 

 serted below the ovary, label it calyx below, or infe- 

 rior (Fig. 47), and lay it aside. If the calyx is in- 

 serted above the ovary, label it calyx above, or supe- 

 rior (Fig. 48). Of course, if the calyx is below the 



FIG. 47. 



FIG. 48. 



FIG. 49. 



Inferior Calyx. 

 Superior Ovary. 



Superior Calyx. 

 Inferior Ovary. 



ovary, or inferior, the ovary will be above the calyx, 

 or superior / and, when the calyx is superior ', the 

 ovary will be inferior. 



Examine all your flowers in the same way, giving 

 each its proper label. If some specimens have the 

 calyx inserted neither at the bottom nor at the top 



