
PLATE XXII. 




















5O MICRONS 


Figs. 195 and 196. Oedogonium- grande Kuetz.; Wittr......................... 85 
toa O7eee OC MOTANG EC, MAUS I ansonee eyed, e's oti «wba i# « cies oe eee 86 
Figs. 198 and 199. Oe. grande v. angustum Hirn. (Redrawn from Hirn)...... 86 
Fig. 200. Oe. grande f. gemelliparum (Pringsh.) Hirn. (Redrawn from 
NFeAiicera|) iy ewe to ay fils ere once co re ERR RE coe OE: oa i rd ste ORME ware Ue 85 
Fig. 201. Oe. grande v. aequatoriale Wittr. (Redrawn from Hirn)............ 85 
211 
