804 DIOECIA HEXANDRIA. Dioscorea, 
glossy on the upper surface. Mare. Spikes, or rather pa- 
nicles axillary, very ramous, smooth, Flowers numerous, 
minute, Fremae, Spikes less ramous than in the male, and 
often simple. Flowers few, large, remote, 
The root appears to be unfit for food, 
12. D. glabra. 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 
sagittate, the superior ones cordate, three or seyen-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. oppositifola, Willd. iv. 797. 
Herbaceous, smooth. Leaves opposite, from cordate to 
ovate-lanceolate, acute, from three to seven-nerved, Male 
flowers panicled, the female 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 flowers 
very numerdts on axillary panicles. Female flowers few, on 
axillary spikes. 
The roots are eaten by the natives. 
