MONANDRIA MONOGYNIA. SaliCOmia. 
$ 
3. S. fruticulosa assurgens inordinate ramosa. Mich. Jl. 
amer. 1. p. 2. 
In sedgy salt- meadows ; New Jersey to Carolina. $ . I? . 
July, Aug. v. v. Resembles S . fruticosa very much ; 
taller than either No. 1. or 2 j pale green. 
4. HIPPURIS. Gen. pi. 15. Mare’s-tail. 
1. II. foliis plerumque senis linearibus. Mich.Jl. amer. 1. 
p. 1. 
In ditches ancj small ponds : Canada to Pensylvania, 
rare. TL. v. s. s.fl. Upright, simple 5 may be a 
new species. 
II. DIG yn 1 A. 
5. PODOSTEMUM. Mich.Jl . amer. 2. p. 164. 
1. Podostemum. Mich. 1. c. p . 165. 
Icon. Mich. 1. c. t. 44. 
Closely attached to loose stones in shallow water of 
the rivers Ohio, Holston, Kenhaway, &c, 1/ . July. 
v. v. 
I take the liberty to place this plant in Monandria, as it 
will be more easily found by a young Botanist under 
this head, than under Monoecia Diandria. 
6. CALLITRICHE. Gen.pl.lJ. Water-starwort. 
1. C. foliis superioribus spathulato-obovatis, inferioribus li- 
nearibus obtusis e margi natisque. 
C. verna. Willd . sp.pl. l.p. 28 ? 
Icon. FI. dan. 12 Q ? 
In springs and rivulets, very common. ©. May— 
July. v. v. Flowers white, axillary $ upper leaves 
floating. 
2. C. foliis omnibus linearibus apice bifidis. 
C. autumnalis. Willd. sp. pl. 1 . p. 2g ? 
In similar situations, not so common. ©. May, 
June. v. v. More slender than No. 1 . Upper leaves 
somewhat spathulate- linear. 
3. C. foliis omnibus linearibus truncatis brevibus approxi** 
matis. 
b 2 
amligua. 
vulgaris . 
ceratophyU 
lum. 
heterophylh . 
linearis . 
hrevifolia , 
