3i8 
CLXV. DIOSCOREACEiE. 
[Dio scored. 
late, base entire or cordate, 2 to 3 in. long, 1*5 in. wide; petioles 
slender, 1 in. long. Panicle 1 ft. long, lax; branches 2 to 4 in. long, 
very slender; spikes -25 in. long, in pairs or threes. Flowers minute, 
bases gibbous in bud. Sepals and petals ovate. Hab. Penang 
(Wallich). Not seen again. Distrib. Java and Moluccas. 
(13) D. glabra Roxb. Hort. Beng. 72 ; FI. hid. iii. 803; Ridl. Mat. 
ii. 83. 
Stem moderately stout, thorny at base. Leaves elliptic-ovate 
to lanceolate acuminate, base round or cordate, glabrous beneath, 
2 to 4 in. long, 1-5 to 2 in. wide; petioles 1 in. long; young leaves 
ovate, deeply cordate, 6 in long, 4 in. wide; petioles 2 in. long. 
Male panicles 3 to 12 in. long. Spikes 3 to 6 in a whorl, under 1 in. 
long. Flowers sessile. Sepals ovate. Petals oblong-obcuneate 
spathulate. Female spikes 1 ft. long. Capsule round retuse, 
1 in. long, 1*5 to 2 in. wide. Hab. Common in woods. The var. 
grisea, with ovate leaves, grey velvety beneath is commonest. 
Hab. Singapore, Garden Jungle. Malacca, Ayer Killing (Cantley). 
Negri Sembilan, Bukit Sulu and Burunang (Cantley); Perak, 
Thaiping (Wray, Ivunstler). Province Wellesley, Bukit Juru; 
Machang Bubo (Burkill). Penang Hill (all collectors); Penara 
Bukit (Burkill). Kedah, Alor Sta. Lankawi, Kwah (Curtis). Dis¬ 
trib. Tenasserim, Java, Sumatra. 
var. salicifolia Prain and Burkill, Journ. As. Soc. Beng. x. 37. 
Leaves linear-lanceolate to sagittate sub-coriaceous, 3 to 4-5 in. 
long, -5 to 1-5 in. wide. Hab. Penang Hill (Curtis, King). Distrib. 
Borneo. The original form and other varieties occur in India, 
Indo-China and China. Native names: Akar Jangut Kulonak; 
Akar Munujan; Akar Mawas. 
(14) D. Porteri Prain and Burkill, MSS. 
Shrubby climber, base thorny. Leaves (adult) opposite, 
oblong or linear-oblong, cuspidate, base rounded, 5-nerved, outer 
nerves intra-marginal, 3-5 in. long, 1 in. wide; petioles 1 to 2 in. 
long. Male flowers not seen. Fruiting panicles 8 in. long, in axils 
of each leaf. Capsules distant, transversely oblong, 1 in. long, 15 
in. wide, wings rounded. Hab. Penang (Porter). Government 
Hill (Curtis) between Ayer Hitam and Penara Bukit (Burkill). 
var. purpureo-venia Prain and Burkill. Leaves oblong linear 
acuminate, base deeply bilobed, lobes parallel, oblong rounded at 
lip, more or less tinted purple below, 6 in. long, 1*3 in. wide. Hab. 
Negri Sembilan, Gemas; Tajnpin (Burkill). 
var. Andersoni Prain and Burkill. Leaves oblong cuspidate, 
base entire, rounded; nerves 7, 6 in. long, 2*25 in. wide, above dark 
green, beneath glaucous; nerves beneath and petioles 1*5 in. long, 
purple. Hab. Singapore, Holland Road (Burkill). Negri Sem¬ 
bilan, Tampin (Nur). Penang, Moniot’s Road (Nur). 
These last two varieties seem to be young states of D. Porteri ; none 
bear flowers or fruits. 
