6^2 CRYPTOGAMIA HYDROPTEEIDES. 



738. SALVINIA. Gen. pi. 1617. 



nutans. i- S. foliis ellipticisobtusis supra fasciculato-setosis, petiolis 



pilosis, fructibns subsessilibus aggregatis, Wiild. sp. 



pi. 5. p. 536. 

 Marsilea natans. Sp. pi. 1562. 

 Icon. Schkuhrjilic. t. 1/3. Lam.illust.S63. 

 Floating, like Lemna, on the surface of stagnant waters : 



in several of the small lakes in the western parts of 



New York and Canada. ©. v. v. 



■■* 



739. AZOLLA. Lavi. encycl. i . p. 340. 



caroliniana. I. A. foliis imbricatis ovato-oblongis obtusis patentibus sub- 

 tus rubris. — Willd. sp.pl. 5. p. 541. 

 Floating on the waters of Lake Ontario. O • v. v. 

 Resembles a floating moss or Jungerjnannia. 



FINIS. 



