P'-'PS^v,, 



Fig. 475- Seegräser. / Zostera [marina^L.JINordsee. 7, nat. Gr. 2 Inflorescenz ders. 

 Nat. Gr. 3 Posidoniaj[oceaiiicaJDec., Mittelmeer. 7.,Sna(.!iGr. 



