142 



IIYDROCHARIDACE^E. 



[Endogens. 



GENERA. 



Tribe I. — Valisnereac 

 Ovarii l-eelled. 



Udora, WuU. 

 Elodea, L. C. Rich. 



I'liilotria. Katin. 

 Anacharis, Rich. 

 Hydrilla, Rich. 

 '! IIydrospvnilylus,H.sUl. 



Lagarosiplmn, Harvey. 

 Vallisneria, Michel 



Phpikium, Loareir. 

 Blyxa, Thouart. 



Saivala, Wall. 



Tribe II. — Stratiotea.-. 

 Ovary 6- 8- it-celled. 



Stratiotes, term. 



Aloidet, Boerh. 

 Enhalus, L. C. Rich. 

 Ottelia, Pers. 



Damasonium, Schreb. 



Hymenotheca, Salisb. 

 Bootia, Wall. 



Limnobium, I. C. Kick. 

 Hydromy$tria,F.G W. 

 Meyer. 

 Jalambicea, Llav. et 

 Lex. 

 Ilydrocharis, Linn. 

 Stratiotes, DUlen. 



Numbers. Gen. 12. 



Sp. 20' 



Position. 



Pistiacece. 

 1 1 v d roch a raceme. — Naiadaceae. 

 Bromeliacece. 



ADDITIONAL GENERA. 



\| iianthc, Planchon, near Udora. 

 Nechamandra, Id. near Valisneria. 



Egeria, Id. near Hydrilla. 



Lagarosiphon, Harv. 

 Epigynanthus, Blume. 

 '! Diplosiphon, Dene. 



Hydrilla 





