DROSERA KOTUNDIFOL1A. 



C H AP T E R IV. 



CALYCIFLOR/E. 



THIS subclass contains those Dicotyledons in which 

 the perianth is double, the petals separate, and the 

 stamens either perigynous or epigynous. 



CELASTRACE^. 



This order contains one British species, the Common 

 Spindle Tree, Euonymus Europ&us. The flowers 

 secrete honey, and are frequented by Diptera (Flies) 

 and Hymenoptera, especially the former. They are 

 proterandrous. 



RHAMNACE^E. 



The Vine and the Virginian Creeper belong to this 

 order ; but we have only one British genus, Rhamnus, 



