THE RED 



53 



beauty to the marine species. The red color is not so pro- 

 nounced, and they are, as a rule, somewhat dull colored. 



FIG. 31. Fresh- water red algae. A, Batrachospermum, x about 12. B, a 

 branch of the same, x 150. C, Lemanea, natural size. 



The commonest genera are Batrachospermum and Lemanea 

 (Fig. 31). 



