DIOSCOREACE. 
Fig. 18, Dioscorea 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 outer segment of the same; 10, an 
inmer segment of the same; 11, stigmatic column with rudimentary stamens; 12, u 
capsule ; 13, a seed. 
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