PLATE 16 



Enteromorpha micrococca var. s^hsalsa Kjellm. 

 Fig. 1. A habit sketch of a piece of a froud showing the method of branch- 

 ing. X 20. 



Cladophora trichotoma (Ag. ) Kuetz. 



Fig. 2. A habit sketch of a few terminal ramuli. 



EnteromorplM compressa (L.) Grev. 

 Fig. 3. A habit sketch of a frond. X 1. 



Spongomorplia coalita (Eupr.) Collins 

 Fig. 4. Sketch showing the characters of the hooked branches. X 10. 



Codium Eitteri S. and G. 

 Fig. 5. A sketch of a group of utricles. X 25. 



[340] 



