CatPTOGAaiA-FlLlCES. 3l5 



563. ISOETES. 



1791. -]-. /. lacustris Linn. Sp. — Planta basi bulbosa , 

 foliis strictis linearibus subulatis , fragili- 

 bus , 4-locularibus, oiunibus subradicalibus , 

 — Spreng, Syst. 4- p» 9« l^- G. Organog. 

 vol. 2. tab. 62. 



W. Sp. pl. 5. p. 535. 



Hab. in lacubus. P. Limb. ? Fl. orlent. (liort. 

 Gand.) ^. 



-'^ 



