3 i 6 
CXLV. DIOSCOREACEj®. 
[Dioscorea. 
sule broad, oblong transversely, hairy, 75 in. long, 1*5 in. across. 
Hab. Not common, forest edges. Singapore, Chan Chu Kang; 
Sungei Pandan (Ridley); Bukit Timah (Burkill), Perak, Gunong 
Malacca near limestone Hills (Kunstler). Distrib. Sumatra, Java, 
Borneo. 
(8) D. pyrifolia Kunth. Enum, v. 384; Ridl. Mat. ii. 82. 
D. cornifolia Kunth. Enum. v. 38. 
Base of stem thorny, above pubescent. Leaves opposite, 
coriaceous ovate cuspidate; nerves 5, base round entire pubescent 
beneath, 2-5 to 4 in. long, 2 to 2-5 in, wide; petioles stout pubescent, 
1 to 2 in. long, young leaves deltoid cordate, 6 to 9 in. long, 3-5 
in. wide. Male panicles 1 ft. long or more, spikes 4 to 10 in a whorl, 
1 to 2 in. long. Flowers green, sessile, scattered. Sepals orbicular. 
Petals cuneate obovate. Stamens 3. Female spikes 4 in. long. 
Capsule orbicular, 1 in. long, 1*5 in. wide. Seed orbicular, 75 in. 
across. Hab. The commonest species in hedges and thickets. 
Pahang, Endau (Evans); Malacca, Alor Gajah (Burkill). Negri 
Sembilan, Kendong (Burkill); Tampin. Selangor, Telok Gadong 
(Burkill); Sungei Buluh. Perak, Bukit Keledang, base (Burkill). 
var. ferruginea Burkill Synops. 33. Leaves red beneath with 
red pubescence when dry. Singapore (Wallich); Chan Chu Kang; 
Changi. Johor; Kota Tinggi; Ulu Kahang (Kelsall). Malacca 
(Cuming). Perak, Goping and Thaiping (Kunstler). The leaves 
