PLATE XVIII. 





Figs. 164 and 165. Oedogonium.capillare (L.) Kuetz........0..5...-000000e00-: 80 
Fig. 166. Oc. capillare f. stagnale (Kuetz.; Wittr.) Hirn. (Redrawn from 
Ei i. cers teeta ee itn sate als ns s Sees ante 80 
Pies.) 16/—169. .Oe.. princeps, (Hass. WW ititieiaece is acts at os Sul. eels ees 82 
hisses Orancdyly le Oenanomalumebiicns sem. ees oe a ae ve - ici tre errno 83 
207 
