INDEX. 29 



Page. 



Smith, D. E., history of use of Dioscorea as secret medicine 19 



Stickman, Linntean references in "Herbarium Amboinense" 10 



Ubium nummularium, an element of Discorea villosa 9, 10 



United States, Dioscorea, synopsis of species 11-19 



taxonomic history 7-11 



Vienna code. See Nomenclature, botanical, Vienna code. 



Walter, " Anonymos (Dioscoreae affinis?) quaternatus, " reference 10 



quinatus, " reference 10 



Wild yam. See Yam, wild. 



Yam, wild, false, root 21, 23 



most common name for Dioscorea 25 



true, description 20, 23, 25 



189 



o 



