AL.GJE. 



PL 111 





Closterium Closterium Closteriun 

 setaceum elegans angustatun 



Closterium lineatum 



\o\ 



ilosterium 

 turgidum 



Closterium 

 intermedium 



Closterium 

 Ralfsii 



Closterium 

 Kiitzingii 



VII. CONJUGATE 



Closterium 

 didymatocum 



F o 











o 



Closterium regulare Closterium 



Pritchandianum 



Closterium 

 attenuatum 



3. Desmidiacese 



G. 15 



