142 



HYDROCHARIDACEiE. 



[Endogens. 



GENERA. 



Tribe I.— Valisnereae 

 Ovary 1-celled. 



Udora, Kiitt. 



Elodea, L. C. Rich. 



Philotria, Rafin. 

 Anacharis, Rich. 

 Hydrilla, Rich. 

 'iHydrospondylus, Hsid. 



Lagarosiphon, Harvey. 

 Vallisneria, Michel. 



Physkium, Loureir. 

 Blyxa, Thouars. 



Saivala, Wall. 



Tribe II. — Stratioteae. 

 Ovary 6- 8- d-ceUed. 



Stratiotes, Linn. 



Aloides, Boerh. 

 Enhalus, L. C. Rich. 

 Ottelia, Pers. 



Damasonium, Schreb. 



Hymenotheca, Salisb. 

 Bootia, Wall. 



Limnobium, L. C. Rich. 

 Hydromystna,Y.G.W . 

 Meyer. 

 Jalambicea, Llav. et 

 Lex. 

 Hydrocharis, Linn. 

 Stratiotes, Dillen. 



Numbers. Gen. 12. Sp. 201 



Position. 



Pistiacece. 

 Hydrocharace^. — Naiadaceee. 

 BromeliacecB. 



