804 DiOECiA HEXANDRiA. Dioscoreo. 



glossy on the upper surface. Male. Spikes, or rather pa- 

 ideles axillary, very ramous, smooth. Flowers nuinerous, 

 minute. Female. Spikes less ramous than in the male, and 

 often simple. Flowers few, large, remote. 

 The root appears to be unfit for food. 



12. D. iflahra. R. 



Tubers small, sub-fusiform. Stems herbaceous, twin- 

 ing, polished and flattened. Leaves opposite and alternate, 

 oblong, cordate, acuminate, polished, and somewhat glau- 

 cous. 



A native of Silhet. 



13. D. heterophylla. R. 



Herbaceous, twining. Leaves alternate, the inferior ones 

 saoittate, the superior ones cordate, three or seven-nerved, 

 fine-pointed. Male spikes simple. 



A native of Pulo Pinang, and the Moluccas. One male 

 plant flowered in this garden for the first time in October 

 and November 1809, after it had been in it ten years. 



14. D. oppositijolia. Willd. iv. 797. 



Herbaceous, smooth. Leaves opposite, from cordate to 

 ovate-lanceolate, acute, from three to seven-nerved. Male 

 flowers panicled, tiiejemale ones spiked. 



Teling. Ava-tenga-tiga. 



A native of dry soil, amongst bushes, on the Coromandel 

 coast. Flowering time the rainy season. 



Root tuberous, perennial. Stems twining, slender, round, 

 smooth, annual. Leaves opposite, petioled, oval, acute, wav- 

 ed, smooth, from three to seven-nerved. Male jlowers 

 very numerous on axillary panicles. Female flowers few, on 

 axillary spikes. 



The roots are eaten by the natives. 



