Plate 38 



Figs. 1, 2. Oedogonium paucostrmtum Tiffany: 1, x 600; 2, x 300 



Figs. 3, 4. Oedogonium spheroideum Prescott: 3, x 300; 4, x 600 



Figs. 5, 6. Oedogonium punctatostriatum DeBary: 5, x 300; 6, x 

 600 



Figs. 7, 8. Oedogonium Welwitschii West & West, x 590 



Figs. 9, 10. Oedogonium Pringsheimii var. Nordstedtii (Wittr.) 

 Wittrock:9, x365;10,x590 



Figs. 11, 12. Oedogonium tapeinosporum Wittrock, x 700 



[736] 



