No. 14.] 



FLOWERING PLANTS AND FERNS. 



569 



Zea 

 Mays 48, 430 



Zizania 58 

 aquatica 58 

 palustris 58 



Zizia 300 



Zizia 

 aurea 300, 427 



var. obtusifolia 300 

 cordata 301 

 -Zostera 45 

 marina 45 



