794 



XV. 



XV, DIOSCORE^E, 



, Br t DIOSCOREACE./E, Lindl.} 



Dioscorea. 

 9 flower (mag.). 



Dioscorea. 

 Diagram y. 



Dioxcorea. 



Transverse section of ovary 

 (mag.)- 



Tamvt. 



Germinating seed , the plumule 

 raising the operculum. 



