Plate 43 



Fig. 1. Oedogoniiim mijiisporum Taft, x 365 (redrawn from 



Taft) 



Figs. 2, 3. Oedogonium oblongum var. minus Taft, x about 500 

 ( redrawn from Taft ) 



Figs. 4, 5. Oedogonium argenteum fa. michiganense Tiffany, x 

 about 240 ( redrawn from Ackley ) 



Figs. 6, 7. Oedogonium Tiffanyi Ackley, x about 200 (redrawn 

 from Tiffany ) 



Fig. 8. Oedogonium Richterionum Lemmermann, x about 225 



( redrawn from Tiffany ) 



Figs. 9-11. Oedogonium michiganense Tiffany, x about 250 (re- 

 drawn from Tiffany ) 



Fig. 12, Oedogonium Sodiroanum Lagerheim, x about 300 ( re- 



drawn from Tiffany ) 



Figs. 13, 14. Oedogonium capillare ( L. ) Kuetzing, x about 280 



Fig. 15. Oedogonium upsaliense Wittrock, x about 250 (re- 



drawn from Tiffany ) 



Figs. 16, 17. Oedogonium princeps (Hass.) Wittrock, x about 185 



Figs. 18, 19. Oedogonium americanum Transeau, x about 200 (re- 

 drawn from Tiffany ) 



Fig. 20. Oedogonium Vaucherii ( Le CI. ) A. Braun, x about 



260 (redrawn from Tiffany) 



[746] 



