ALGJE. 



PI. 107. 



a b 



Mougeotia species 



a 



Mougeotia mirabilis 

 VII. CONJUGATE 



O 



Oo 



/ flf /' 



Mougeotia species 



O 

 O 



Mougeotia species 



IVIougeotia calcarea 



1. Zygnemacese 



