PLATE XXX. 



Polij<jonniii miwdnin Hayata. 



Fi--. 1. The plant. 



'2. A sheath. 



'•). A liower ou a hraiichlet. 



4. A Hower. 



5. A pei'iautli, laid ()p3u. 

 <!. An ovary. 



7. Stamens, seen from diftereut sides. 



S. Au ovary. 



«.). A fruit. 



10. The same, in vertical section, showing the embryo in it. 



11. The oml)rvo. 



