POLYANDRIA POLYGYNIA. Sagittaria. 
7. S. foliis lato-lanceolatis inferne angustatis, scapo subra- 
moso, seminibus planis falcatis rostratis, 
S. lancifolia. Mich. fl. amer. 2. p. 189. 
In ponds: Carolina. XY. July, Aug v. s. in Herb. 
Lyon. 
8. S. foliis angusto-lanceolatis inferne carinatis rigidis utrin- 
que acutissimis, scapo ramoso, floribus monoicis. 
In still and deep waters of Oswego river near the great 
falls, New York, YY. July, Aug. v v. ‘ihis spe. 
cies grows in a depth of more than seven feet water ; 
tbe petioles are strong and stiff; the flowers very 
numerous, 
9. S. foliis lineari-lanceolatis acutis inferne angustatis, scapo 
simplici multifloro, floribus dioicis, bracteis calycibus- 
que rotundatis obtusis. 
In small ponds: New Jersey. Y. July, Aug. v.v 
Leaves about six inches long and half an inch wide; 
flowers from twelve to eighteen in a scape. 
10. S. foliis linearibus longissimis 3 nervibus, scapo sim- 
plici paucifloro, floribus monoicis, bracteis oblongis 
obtusis. 
S. graminea ; foliis lanceolato-linearibus, Sa pis- 
tillorum pusillis Mich. fl. amer 2. p. 190? 
In Carolina. Lyon. Canada. Michaux. Y. July, 
Aug. v. s, in Herb, Lyon. 
11. S. foliis subulatis basi vaginantibus denn convexis, scapo 
simplici paucifloro, floribus monoicis, bracteis dilata- 
tis acuminatis, 
In small rivulets and ditches, near Philadelphia, Y. 
July, Aug. v.v. A small species ; leaves sometimes 
with a dilated point, representing a leaf. 
12. S. foliis natantibus elliptico-lanceolatis obtusis 3-nervibus 
basi attenuatis, infimis subcordatis, scapo simplici 
paucifloro, pedunculis inferioribus elongatis.— Mich, 
Jl. amer. 2. p 190. 
In rivulets of Lower Carolina. M. July, Aug. v. s. 
in Herb. Lyon. Flowers small; leaves about an inch 
and a half 
graminea. 
acutifolia., 
