roLYANDRiA POLTGYNSA. Sagittaria. 
f. S, foliis iato-lanceolatis inferne angustatis, scapo subra- 
mosf), seminibus pkinis falcatis rostratis. 
S. lancifolia. Mich.Ji. amer. 2. p. I89. 
In ponds: Carolina. 1/. July, Aug. v. s. in Herb. 
Lyon. 
S. S. foliis angusto-lanceolatis inferne carinatis rigidis utrin- 
que acutissimis, scapo ramoso, floribus monoicis. 
In stili and deep waters of Oswego river near the great 
falls. New York. 11 July, Aug. v v. 1 his spe- 
cies grows in a depth of more than seven feet water ; 
the petioles are strong and slitf) the flowers very 
numerous. 
g. S. foliis lineari-lanceolatis acutis inferne angustatis, scapo 
simplici multifloro, floribus dioicis, bracteis calycibus- 
que rotundat is obtusis. 
In small ponds: New jersey. 11. July, Aug. v. v. 
Leaves about six inches long and hall an inch wide | 
flowers fr m twelve fo eighteen in a scape, 
10. S, foliis linearibus longissimis 3 nerviims, scapo sim- 
plici paucifloro, floribuS monoicis, bracteis oblongis 
obtusis. 
S. graminea ; foliis lanceolato-linearibus, capitulis pis- 
tillorum pusillis. Mich Jl amer 2. p. t^O? 
In Carolina. Lynn. Canada. Michaux. I/ , July, 
Aug. V. s. in Herb. I yon. 
11. S. foliis subulat s basi vaginantibus dorso convexis, scapo 
simplici paucifloro, floribus monoicis, bracteis dilata- 
tis acuminatis. 
In small rivulets and ditches, near Philadelphia. 1}. . 
July, Aug, V. V. A sma.l species ; leaves sometimes 
witli a dilated point, represen ing a leaf. 
12. S. foliis natantibus elliptico-lanceolati.s obtusis 3-nervibus 
basi attenuatis, iufimis subcordatis, scapo simplici 
paucifloro, pedunculis inferiorious elongatis. — Mich, 
Ji. amer. 2.p. 190. 
In rivulets of Lower Carolina. % . July, Aug. v. s. 
in Herb. Lyon. Flowers small ; leaves about an inch 
and a half long. 
397 
falcaia. 
rigida. 
simplex. 
graminea. 
acutifolia* 
natam. 
