roLYANDRiA poLTGYNiA. Saglttaria. 



7. S. foliis l:Uo-lanceola'is inferne angustatisi scapo subra- 



mo«f», seminibiH |)lan s tali ai is roslratis. 

 S. lancifolia. ]:ich ft. nnicr 2 p. 1 89. 

 In po.ids: Carolina. If.. July, Aug v. s. in Herb. 



Lyon, 



8. S. foliis an2U>to-laiiceoIatis inferne carinatis rigidis utrln- 



que acuti'isiinis, scapo ramose, floribus monoicis. 

 In still and deep waters of Oswego river near the great 



falls, i\ew Yoik. 1/ July, Aug. v v. This spe- 



cies grows in a d'^pth of more th.'.n seven feel water; 



the petioles are strong and stitf j the flowers very 



numerous, 

 g. S. foliis linea-i-Ianceolatis acutiJ, inferne angustatis, scapo 



simplici niujufloro. Horibus dioicis, bracieis caiycibus- 



que rotundatis obtusis. 

 In small ponds: New Jersey. "U . July, Aug. v.v. 



Leaves about six inches long and halt an inch widej 



flowers fr^m twelve to eighteen in a scape. 

 10. S. foliis linearibus lr<ngissimis 3 nervibus, scapo sim- 

 plici pnncifloro, floribus monoicis, bracteis oblon^^ii 



obtusis. 

 S. graminea ; foliis lanceolato-linearibns, capitulis pis- 



tillorum pusillis M'nh Ji. amer 2. p. lyO? 

 In Carolina. Lyw. Canada. Michaux. 11 . July, 



Aug. V. s. in Hf-rb. {.yon. 

 U.S. toliis subnlat s basi vaginantibus dorso cnnvexis, scapo 



simplici pancifluro, floribus monoicis, bracteis dilata- 



tis acumiiatis. 

 In small rivulets and diiches, near Philadelptjia. }/ , 



July, \ug. i\ V. A smail species ; leaves soiuetimes 



with a dilated point, represen ing a leaf. 

 12. S, foliis iiiUantibuselliptico-lanceolatis obtusis 3-nervibus 



basi attenuatis, inflmis succordatis, scapo simplici 



pancifloro, peclnnculis inferioribus elongatis.— iliic/t. 



fl. amer. 2. p 19O. 

 In rivulets of Lower Carolina. 1/ . July, Aug. v. s. 



in Herb. Lyon. Flowers small ; leaves about an inch 



and a half long. 



falcata. 



rigida. 



iimplex. 



gmminea. 



aiutifolia. 



natans. 



