CLASSIFICATION AND DISTRIBUTION. 



119 



>- 



X 



o 



X 



I- 



Angiospermae 

 ■ Gymnospermae 



X 



o 



>- 



>- 



X 

 a. 

 O 

 a. 

 en 

 ■< 

 o 



Coleochaeteae A"'""y«feae 



-Charophyceae 

 / / 



■ Rhodophyceae 



_%W;omv 



>- 

 I 



Q. 

 O 



o 



>- 

 X 

 a. 



Chtbi 



Chlbrophyci 



Phaeophyceae 



O 



CE 



-Schizophyceae 



Fig. 57.— Chart showing relationship of the Branches and Classes. 



