Class. XIX— 310N0ECIA. 



Order. I.~M0NANDRIA, 



$25. ZOSTERA. L, (Grass-wrack.) 



Calix and corolla none. Jlnthtr ovate, sessile. 

 Germ ovate, inserted upon an unilateral spadix. 

 Style bifid. Capsule 1 -seeded. 



Marine plants, wilh alternate submersed linear leaves. 



Species. 1. Z. marina. Forming with Jivppia vast 



floating fields in the bay of Egg-harbour, New Jersey, 



Indigenous to the whole Atlantic ocean. Three other 



species are said to exist in the Red sea. 



626. CAULINIA. Willd, Flxjvialis. Pcrsoon, 

 Calix and corolla none. Jnther sessile. Style 



filiform. Stigma bifid. Capsule 1 -seeded. 



Species. 1. C fragilis. 2. fexilis. f J\''aj as, Michms.) 

 A. small genus of aquatic plants, common also to Europe. 



627. ZANNICHELLIA. L. 



Masc. Calix and corolla none. Feminine. 

 Calix 1 -leaved. Corolla none. Germs and 



seeds about 4. 



Aquatic: flo%\ ers solitar}-, axillary. 

 Species. 1. Z. palvs'ris. Indigenous also to Europe, 

 where there exisis a second species. 



628. CRARA. Z. 



Calix and corolla none. Anther globose, ses- 

 sile. Style none. Stigmas 5, Berry 1 -celled, 

 many-seeded. 



Aqnatc: stems mostly leafless, bi-jinchinir, branches 

 vert cillaie, numerously articulated, articulations dentate 

 and utlen l-fi jwered. 



