DIOSCOKEACEJ3. 



37 



12 



13 



Pig. 18, Dinscorea doryophora HANCE ; 1, a branch ; 2, male spikes ; 3, a male 

 flower ; 4, an outer segment of the same ; 5, an inner segment of the same ; 6, a cluster 

 of stamens ; 7, a stamen ; 8, a female flower ; 9, an oxiter segment of the same ; 10, an 

 inner segment of the same; 11, stigmatic cohimn with rudimentary stamens; 12, a 

 capsule ; 13, a seed. 



