IX] GAMOPHYLLOUS PERIANTH 81 



Menziesia, Arctostaphyllos, Azalea, and Rhododendron 

 the stamens are inserted on the corolla (epipetalous). 



In all the rest of our trees and shrubs, where the 

 flower has a corolla it is polypetalous i.e. composed of 

 separately inserted petals. 



In the following cases the perianth is gamophyllous, at 

 least at the base and in the staminate flowers : 



W. III. 



