IIYDKOl'IIYTE S0CII-;TIES 



181 



like bodies (see Figs. 159, ICO). These floats are very com- 

 mon among certain of the seaweeds, and are found amongr 

 higher jDlants, as the utricularias or bladderworts, which 



Pig. 163. A group of marine seaweed.s (Laminarkis). Note the various liaijite of tlie 

 plant body and the root-Iilie holdfasts.— After Keener. 



have received their name from the numerous bladders 

 developed in connection with their bodies (see Fig. 161), 

 and which are also put to additional uses. 



