Crass. XIX._MONOECGIA. 
e 
> ——— 
Ouper. L—MONANDRIA. 
625. ZOSTERA. L. (Grass-wrack.) 
Calix aud corolla none. Anther ovate, sessile. 
Germ ovate, inserted upon an unilateral spadix. 
Style bifid. Capsule 1-seeded. 
Marine plants, with alternate. submersed linear eaves. * 
_ Srecres. 1. Z marina. Forming wi vast 
floating fields in the bay of Egg-harbour, 
Indigenous to the whole Atlantic ocean. Three other 
ge Species ate.said to exist in the Red sea. 
626. CAULINIA. Willd. FLvviauis. Persoon. 
= Calix and corolla none. Anther sessile. Style 
filiform. Stigma bifid. Capsule i-seeded. 
Srecres. 1. C. fragilis. . fexilis. ( Najas, Michaux.) 
A small genus of aq ‘plants, common also to Europe. 
527. ZANNICHELLIA. L. 
_ Mase. Catix and corolla none. FEMININE. 
Calix i-leaved. Corolla none. Germs and 
seeds about 4, 
> | 
. ‘Aquatic: flowers solitary, axillary. 
Species. 1. Z. palustris. Indigenous also to shames, 
where there exigis. a second species. 
628. CHARA. <£ 
Calix and corolla none. © .inther globose, ses- 
sile. Style none. Stigmas . 3. Berry Lge, 
many-seeded. — - 
% Aquatic: stems ridstly asics, branching, Tidiches 
verticillate; numerously articulated, articulations dentate 
and aS 2 xz 
7 
