Plate 44 



Figs. 1, 2, Oedogonium spirostriatum Tiffany, x 340 (redrawn 

 from Tiffany ) 



Fig. 3. Oedogonium latiusculum Tiffany, x 440 



Fig. 4. Oedogonium undulatum fa. senegalense (Nordst. ) 



Hirn, x 500 



Fig. 5. Oedogonium crispum (Hass.) Wittrock, x 300 (re- 



drawn from Tiffany ) 



Fig. 6. Oedogonium angustissimum West & West, x 775 



Figs. 7, 8. Oedogonium capilliforme Kuetzing; Wittrock, x 425 



Figs. 9, 10. Oedogonium crassum ( Hass. ) Wittrock, x 275 



Figs. 11, 12. Oedogonium mitratum Hirn, x 300 (redrawn from 

 Tiffany ) 



Fig. 13. Oedogonium cyathigerum fa. ornatum^ (Wittr. ) Hirn, 



x375 



Figs. 14, 15. Oedogonium rugulosum Nordstedt, x 590 



1748] 



