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DIGECIA HEXANDRIA 



DIOSCOREA. 



Sanncnlaecac. Lm.— Asparag-i. ///.s.*?.— Dioscoresc. Brown, 



acti 



leata. D» foliis alternis subrotuudo-cordaiis 



aciuninatis septeinncrviis, caiile aculeato 



bulbifcro. WiUd, Sj>. Pi, L p. 792. HorL 



Kew, 5. p. J^92. Alibi 903. % 



D. full is cordatiSj caulc lereti aculeato. 



Br. 359.* 



Prickly Yain Vine. H?jg-he^-. 227. 

 Frickly-stem'd Dioscorea. Alton, 



^ 



I 



• There is indeed, as Dr. Martyn observes, *' inucli confusion 

 in the synonyms" to tlie different species of Dioscorea. I can- 

 not however a^ree with him^ that the Dioscorea No, 1. of 

 Browne, with an aculeated stem, is identical with D. satlva. 

 Browne is in error in considering- his Dioscorea No, 1. as the 

 Volubllis nigra radice tuberosa conipressa of Sloanc, termed 

 hy him Negro-Country Yam, in reference to the part of the 



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