198 



EVOLUTION VF PLANTS 



Orchids 

 OrchidacesB 



Banana, ginger, etc. 

 (Soitaminess) 



Dicotyledons 



Aroids 

 (Araceae) 



Dicotyledons 



Iris, etc. 

 (Iridacese) 



Palms 

 (Palmacese) 



Lilies 

 (Liliaceae) 



Pineapples, etc. 

 (Bromeliaceae) 



Pond-weeds 

 (Naiadaoeae, etc.) 



Grasses 

 (GramineEe) 



Apocarpae 



Screw-pines 

 (Pandanaceae) 



Bur-reeds 

 (Sparganiaceae) 



Diagram to illustrate the relationships of the principal orders of 

 Monocotyledons. 



