DICOTYLEDONS 



219 



Composite 



Labiatiflorae 



Sympetalfe 

 (Isocarp&e) 



Sympetalse 

 (Anisocarpse) 



Poplars, willows, etc. 

 (Amentacese) 



Umbellifloree 



Centrospermae Calyciflorse 



Peppers 

 (Piperinepe) 



Polycarpicpe 



Aroideae 



Apocarpse 



Monocotyledons 



Diagram to show the relationships of the principal groups of 



Dicotyledons. 



