396 
major. 
oltnsa. 
hastata. 
gracilis. 
heieropkylla. 
roLYANDRiA poLYGYNiA. Sagittaria. 
% . July, Aug. V. V. Leaves not above two inches 
^ long 3 flowers, as in all the follow'ing species, white. 
2. S. foliis ovatis acutiusculis sagittatis, lobis ovatis tenuis- 
sime acuminatis rectis, scapo simplici, floribus monoi- 
cis, bracteis subrotundis obtusis. — IVilld. sp. pl. 4. 
p. 40p. 
S. sagittifolia. Mich.Jl. amer. 2. p. I89. 
/3. S. foliis amplis abrupte acutis, scapo subramoso,^fioribus 
dioicis. 
Jn ponds and ditches : Canada to Caro'ina. 2/ . June — 
Aug. V. V. Leaves large and broad. 
3. S. foliis dilatato-ovatis rotundato-obtusis mucronatis sa- 
gittatis, lobis approximatis oblongis oblique-acumina- 
tis rectis, scapo simplici, floribus dioicis, bracteis ova- 
tis acutis. — -IVilld. sp.pl. 4. p.AOg. 
In ditches and shallow ponds : Pensylvania to Virginia. 
11 • June — Sept. v. v. l iCaves the size of Calla pa- 
lustris. 
4. S. foliis oblongo-lanceolatis sensi m-acutis sagittatis, lobis 
patentibus lanceolatis longissime acuminatis, scapo 
simplici, floribus dioicis, bracteis calycibusque sub- 
rotundis obtusis. 
In old ditches: Pensylvania. %. July, Aug. v.v. 
Leaves the size of S. sagittifolia ] the lobes very 
spreading. 
5. S. foliis linearibus obtusiusculis 3-nervibus sagittatis, 
lobis patentibus linearibus elongatis sensim tenuissime 
acuminatis, scapo simplici paucifloro, floribus dioicis, 
bracteis brevibus suborbiculatis. 
In bogs and ditches : Pensylvania to Virginia, particu- 
larly on the mountains. Ij. . July, Aug. v. v. Leaves 
very slender, about three inches long, measured from 
the beginning of the petiole. 
6. S. folds simplicibus linearibus lanceolatisque utrinque 
acutis, seu ellipticis acutis basi obtusis sagittatis, lobis 
divaricatis linearibus, scapo simplici paucifloro, flori- 
bus monoicis, femineis subsessilibus, bracteis lato- 
ovatis acuminatis. 
In small ponds and ditches : Pensylvania and New Jer- 
sey. If. . June — Aug. v. v. Leaves about two inches 
and a half long : this species is easily distinguished 
by the female flowers being almost sessile. 
