DICOTYLEDONS 



219 



Compositse 



Labiatiflorae 



Sympetalse 

 (Isocarpse) 



Sympetalse 

 (Anisocarpse) 



Poplars, willows, etc. 

 (Amentacese) 



Umbelliflorse 



Centrospermse Calyciflorse 



Peppers 

 (Piperinese) 



Polycarpicse 



Aroidese 



Apocarpse 



Monocotyledons 



Diagram to show the relationships of the principal groups of 

 Dicotyledons. 



