Plate XXXIV ; Figures 221, 222. 



Fig. 221. Chcetophora incrassata (Huds.) Haz. 

 Upper figure, natural size ; lower 

 figure, highly magnified . . . page 47 



Fig. 222. Chcetophora pisiformis (Roth.) Ag. 

 a, colony, natural size, b, a single 

 filament " 



