m 



MLVANDKiA POLYGYNiA. Sag'utaria. 



% • July, Aug. V. V. I eaves not above tvi^o mchei 

 long ; flowers, as in all the following species, white. 



htifolia. 2. S. foliis ovatis acutiusculis sagittatis, lobis ovatis tenuis- 



sime acuminatis rectis, scapo simplici, floribns monoi- 

 ds, bracteis subrotundis obtusis, — IFil/d. sp. pi. 4. 

 p. 409. 

 S. sagittifolia. Mich.Jl. amer. 2. p. I89. 

 major. /3, S. foliis amplis abrupte acutis, scapo subraraoso, floribus 



dioicis. 

 In ponds and ditches : Canada to Ciro'ina. 1/ . June — 

 Aug. V. V. Leaves large and broad. 



ollusa. 3. S. foliis dilatato-ovatis rotundato-obtusis mucronatis sa- 



gittatis, lobis approximatis nblor.gis oblique-acnmina- 

 tis rectis, scapo simplici floribus dioicis, bracteis ova- 

 tis ac\?.\.\s.— WiIld. sp.pl. 4. p. 409. 

 In ditches and shallow ponds : Pensylvania to Virginia. 

 7/ . June — Sept. v. v. I^eaves the size of Calla pa- 

 lustris, 



hcutata. 4. S. foliis oblongo-lanceolatis sensim-acutis sagittatis, lobis 



patentibus lanceolalis longissime acuminatis, scapo 

 simplici, floribus dioicis, bracteis calycibusque sub- 

 rotundis obtusis. 

 In old ditches : Pensylvania, 71 ■ July, Aug, v. v. 

 Leaves the size of S. sagittifolia ; the lobes very 

 spreading. 



gracilis. 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. % . July, Aug. v. v. Leaves 

 very slender, about three inches long, measured from 

 the beginning of the petiole. 



keterophylla, Q. S. foliis 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. 

 Id small ponds and ditches : Pensylvania and New Jer- 

 sey. % . June — Aug. v. v. Leaves about two inches 

 and a half long : this species is easily distinguished 

 by the female flowers being almost sessile. 



