514 
MONOECIA MONANDRIA. 
MO NOE CIA MONANDRIA. 
ZOSTERA. 
Calyx et Corolla 0. 
Anthera ovata, sessilis. 
Germen ovatum, spa- 
dici unilaterali insert- 
um. Stylus bifidus. 
Capsula monosperm a. 
Calyx and Corolla 
0. Anther ovate, ses- 
sile. Germ ovate, in- 
serted in a unilateral 
spadix. Style 2-cleft. 
Capsule one-seeded. 
1. Marina. 
Z. foliis integerrimis, 
subtrinerviis; caule te- 
retiusculo. 
Leaves entire, slight- 
ly three-nerved; stem 
somewhat terete. 
Sp. pi. 4. p. 179. Pursh, 1. p. 2. Nutt. 2. p. 201. 
Stem terete, flexuous, somewhat jointed, throwing out roots from the joints. 
heaves long, linear, tender, alternate, varying much in the number and dis- 
tinctness of its nerves. Flowers in two rows, on a linear spadix enclosed in 
the sheathing base of the leaves. Anther oblong, sessile, slightly curved. 
Germ (placed alternately on each side of the anther) oblong. Style short. 
Stigmas two, acute. Capsule membranaceous, containing one elliptical yel- 
lowish seed. Smith, Eng. Bot. No. 467. 
This plant I have not myself seen. But it is found on the coasts of the 
middle states, and is said to grow on all of the shores washed by the Atlantic 
Ocean, in which it often floats. F ound generally in salt water ditches and 
on muddy shores. 
Flowers August — September. 
