162 



SEAWEEDS 



Fio. 48. a. Slrnven macrnpltylla slightly reduced ; b. .<?. plnmota slicrhty 

 reduced ; e. young plant of same ; ti, S. tennis magnified e, one of the 

 haptera by which the filaments are bound together highly magnified. (Ex. 

 Annals of Botany). 



