28 THE SOURCE OF THE DRUG DIOSCOREA. 



Page. 



Dioscorea quatemata, acceptance by Pursh, Nuttall, Elliott, Beck, and Kunth. 10 



description 12 



distribution 12-13 



form of rhizome 24 



publication by Gmelin 10 



synonymy 11 



quinata, publication by Gmelin 10 



repanda, reference to D. glauca and D. quaternata 11 



sativa, identity of Linnsean specimen with D. paniculata 8 



Linnsean diagnosis 9 



synopsis of species occurring in United States 11-19 



the drug, medical history 19-25 



United States, taxonomic history 7-11 



villosa, description by Hance 19-20 



identity of drug described by King 20 



Lloyd as "true" wild yam. . . 23-24 



Riddell and Hance 20 



inapplicability of name 9 



Lloyd's description 21-22 



opposite-leaved elements 9, 10 



origin of specific name '. . 8 



original publication 7 



use as secret medicine, history by D. E. Smith 19 



var. glabra, Lloyd's description 22-23 



publication 11 



reference to D . glauca 11, 23 



Dioscorein, preparation by W. S . Merrell 20 



Gmelin, publication of Dioscorea quaternata and D. quinata 10 



"Gray's Manual, " seventh edition, treatment of Dioscorea 11 



Hance, William, account of Dioscorea in Howard's "Botanic Medicine" 19-20 



identity of drug described 19-20 



Hobs-grub, common name for Dioscorea 25 



Jackson, B. Daydon, Linnaean specimens, letter 7-8 



Kalm, collector of Dioscorea specimen in Linnsean herbarium 8 



King, John, identity of drug described 20 



Kunth, publication of Dioscorea pruinosa 11 



Lamarck, origin of Linnsean diagnosis of Dioscorea villosa 9 



Linnseus, specimen of Dioscorea in herbarium 7 



treatment of Dioscorea in ' ' Species Plantarum " 7,9 



Lloyd, C. G., history of drug Dioscorea 19, 20-23 



publication of Dioscorea villosa, var. glabra 11 , 22 



Merrell, W. S., dioscorein, preparation 20 



Muhlenberg, herbarium 11 



publication of Dioscorea glauca 10-11 



treatment of Dioscorea 11 



Nomenclature, botanical, Vienna code, provision for rejection of certain names. . 9 



" Polygonatum scandens altissimum," an element of Dioscorea villosa 9, 10 



Rafinesque, description of Dioscorese 11 



Rattlebox, common name for Dioscorea 25 



Rendle, specimen of Dioscorea in Gronovian herbarium, description 8 



Richard, description of Dioscorea paniculata 8-9 



Riddell, J. L., description of Dioscorea 19 



Rumphius, reference of Ubium nummularium to Dioscorea villosa 9, 10 



189 



