major, 
obtusa. 
hastata. 
gracilis. 
| FOLYANDRIA'POLYGYNTA. Sagittaria. 
a ‘July, Aug. v.v. leaves not above two inches 
long ; ; flowers, as in all the following species, white. 
2.58. foliis ovatis acutiusculis sagittatis, lobis ovatis tenuis- 
sime acuminatis rectis, scapo simplici, floribus monoi- 
cis, bracteis subrotundis obtusis, — Willd. sp. pr. 4. 
p. 409. 
S. sagittifolia. Mich. fl. amer. 2. p. 189. 
B. S. foliis amplis abrupte acutis, scapo subramoso, floribus 
dioicis. 
In ponds and ditches: Canada to Carolina, — pot June— 
Aug. v.v. Leaveslarge 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, — Willd. sp. pl. 4. p. A09. 
In ditches and shallow ponds: Pensylvania to Virginia. 
X. June—Sept. v.v. Leaves the size of Calia pa- 
lustris. 
4. S. foliis oblongo-lanceolatis sensim-acutis sagi tatis, ; lobis 
patentibus lanceolatis longissime acuminatis, scapo 
simplici, floribus dioicis, bracteis eaiycibusque sub- 
rotundis obtusis. 
In old ditches: Pensylvania. x. July, Aug. v.v. 
T Leaves the size of S. sagittifolia; the lobes very 
spreading. 
5.S. folis 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. Y. July, Aug. v.v. Leaves 
~ very slender, about three inches long, ri from 
the beginning of the petiole. 
heterophylla, 6. S. folis simplicibus linearibus lanceolatisque utrinque 
acutis, seu ellipticis acutis basi obtusis sagittatis, lobis 
. divaricatis linearibus, scapo simplici paucifloro, flori- 
bus monoicis, femineis subsessilibus, bracteis lato- 
ovalis acuminatis, 
In small ponds and ditches: Pensylvania and New Jer- 
xi^ uM. v.v. . Leaves about two e: 
and a half long: this es is easily distingui: 
by the female ven enit d nen 
