34 
simplex. 
natans . 
angustifoli- 
um. 
latifolia . 
angustifolia . 
scirpoidea. 
sterilis . 
triandria MONOGYNiA. Sparganium. 
In ditches and ponds from Canada to Virginia, rare. 1/ . 
July, August, i?. v. Flowers in round heads, white. 
2. S. foliis basi triquetris lateralibus planis, pedunculo com- 
muni simplici, stigmate lineari. Smith, brit. 3. p 96 2. 
Willd. sp. pl. 4. p. 199. 
S. erectum (3. Sp. pl. 1378. 
Icon. Curt. lond. 5. t. 67 . Engl. Lot. 745. 
In similar situations with the former • more frequent. 
11 . July, Aug. v.v. 
3. S. foliis decumbentibus planis, pedunculo communi sim- 
plici, stigmate ovato brevissimo, capitulo masculino 
subsolitario. Smith, brit. 3. p. 962. Willd. sp.pl. 4. 
p. 200. 
Icon. Engl. lot. 2 73. FI. dan. 26‘0. 
|8. S. foliis planis angustissimis, caulem longissime superan- 
tibus, debiliter fluitantibus. Mich.fi. amer. 2 .p. I89. 
In rivulets of Canada, and very frequent on the outlets of 
the small lakes of New York. I/. Aug. v. v. 
Floating ; heads small. 
46. TYPHA. Gen. pl. 1401. Cat’s-tail. Reed-mace. 
1. T. foliis linearibus planis, spica mascula femineaque ap- 
proximatis, utraque cylindrica. Willd. sp. pl. 4. p. 197. 
Icon. Bot. mag. 1455. FI. dan. 645. Coopers-reed . 
In marshes and pools very common. % . July, Aug. 
v. v. Flowers in a long cylindrical spike. 
2. T. foliis linearibus canaliculatis, spica mascula feminea- 
que remotis, utraque cylindrica. Willd. sp. pl. 4 . 
p. 198. 
Icon. Bot. mag. 1456. 
In similar situations, only more rare. Pensyivania and 
Virginia. 1/ , July, Aug. v. v . 
4 7- CAREX. Gen. pl. 1407- Sedge-grass. 
A. Stigmatibus Unis. 
f Spicis dioicis. 
1. C. spica solitaria imbricato-cylindrica, capsulis dense pu- 
bescentibus, foliis planis. Mich.fi. amer. 2. p. 17 1 • 
Near Hudson’s Bay. Mich. % . + . 
2. C. spicis subsenis, fructibus ovatis compresso-triquetris 
acuminatis, apice recurvis bicuspidalis, margine ci- 
liato-serratis. Willd. sp. pl. 4. p. 208. 
v/^ 
