( OLLINS am> 111 ].\ I \ . 



PLATE I. 



Oedogonium consociatum Collin- & Ilervey. 



Figure 1. Large cluster of young filaments. 255 X 1. 



Figube 2. Smaller cluster of sac 257 < 1. 



Figure .">. Single filament with attached basal cell. 550 X 1 



FIGURE i. Filament with oogonium (immature). 550 X 1. 



Chaetomorpha minima Collins & Ilervey. 



FlGURl 5. Filament of two cell-. Ml) x 1. 

 Figure <>. Filament of five cells. 550 X 1. 

 Figure 7. Filament of five emptied cells. 550X1. 



Xitophyllum Wilkinsoniae Collin- & Ilervey. 

 Figure S. Whole plant. J oat. size. 



