PLATE XXV. 








Figs. 215 and 216. Oedogonium fabulosum Hirn. (Redrawn from Hirn)....... 83 
Figs. 217 and 218. Oe. fabulosum v. maximum (West) Hirn. (Redrawn 
1 tOvoay NARS) ee ee a A Cee eke Wy ba onan Site gio U sc $3 
Fig. 219. Oe. fabulosum v. columbianum G. S. West. (Redrawn from West). 84 
Fig. 220. Oe. angustissimum West and West. (Redrawn from West)......... 160 
(This plate presents a comparison between the largest and smallest species 
of Oedogonium. ) 
214 
