62 GAMOSEPALY [CH. 



Red and White Lychnis, Pea, Primrose, &c., we have 

 excellent examples of coherent sepals; and a calyx thus 

 composed of inseparate sepals is usually termed gamo- 

 sepalous in Systematic Botany (Figs. 19 and 20). In 

 contrast to these gamosepalous calices, the student may 



Fig. 19. Parts of the flower of a Kobinia, showing the gamosepalous 

 calyx at the base of the two upper left-hand figures ; the corolla is poly- 

 petalous, and the stamens are diadelphous. 



Fig. 20. Flower of Lilac, an example of a gamopetalous corolla with 

 gamopetalous calyx ; the stamens are epipetalous. 



