148 



c. 



Fig. 4. Rhodochorton repens, 

 a. The creeping basal filaments and the 

 lowest part of 5 erect filaments (384 : 1). — 

 h. An erect filament with branches and 

 sporangia (138 : 1). — c. Uppermost part 

 of an erect filament with secund, corym- 

 bous branches (138:1). 



