Plate 35 



Figs. 1-3. Oedogonium iowense Tiffany: 1, x 375; 2, x 700; 3, x 

 500 



Fig. 4. Oedogonium pseudo-Boscii Hirn, x 500 



Figs. 5-7. Oedogonium inclusum Hirn: 5, x 500; 6 and 7, x 250 



Figs. 8, 9. Oedogonium Borisianum (Le CI.) Wittiock: 8, x 125; 

 9, X 500 



Figs. 10, 11. Oedogonium echinospermum A. Braun, x 300 



Figs. 12, 13. Oedogonium Wolleanum Wittrock: 12, x 350; 13, x 175 



[730] 



