Plate 78 



Figs. 1-4. Nitella Batrachosperma (Reichenb.) A. Braun: 1, x 3; 2, 

 X 170; 3, X 170; 4, X 85 



Figs. 5-7. Tolypella intricata Leonhaidi: 5, x li/o; 6, x 33; 7, x 34 



Figs. 8-10. Zygogonium ericetorum Kuetzing: 8, x 325; 9, x 600; 

 10, X 325 



Fig. 11. Zygnema carinatum Taft, x about 450 (redrawn from 



Taft) 



Fig. 12. Zygnema micropunctatum Transeau, x about 330 (re- 



drawn from Transeau ) 



Fig. 13. Zygnema leiospermum DeBary, x about 400 (redrawn 



from DeBary ) 



[816] 



