88 Fresh Water Aquarium 



growing on top and slightly out of the water, 

 and the submerged leaves. The first are 

 broad and oval, of a glaucous green color 

 and covered with hairs which give them a 



Fig. 39. Floating Salvinia, Sahnnia nutans. 



velvety appearance. The submerged leaves 

 are frequently mistaken for the roots of the 

 plant, as they are finely divided into hair- 

 like segments and are radically different 



