Dawson, E. Yale 



Marine Botany, Holt, Rinehart and Winston, Inc., 1966. 

 Round, F. E. 



The Biology of the Algae, St. Martin's Press, 1965. 

 Smith, Gilbert M. 



Cryptogamic Botany, McGraw-Hill Book Company, 1955. 

 Zim, Herbert S., and Lester Ingle 



Seashores, Golden Press, 1955. 



47 



