.in.ll'l.ll IDS' 37 



woiulcrful example of adaptaticjn to surrounding^ 

 influences. 



.\(la|)lali()n is remarkably shown in tlic Vallis- 



\ AI.I.ISNKKIA. 



neria, a s^rass-like water-plant, found in Southern 

 Europe;' it grows in freshwater lakes, rooted in the 



' It Ciin j^cncrally l)i; met with at naturalists" shops where aquaria 

 are sokl. 



