324 Flora of the Malayan Peninsula. 
42. PreeR XANTHOCARPUM, C. DC. in Records Bot. Surv. Ind. VI. 
16 (1912). Scandent. Branches ylabrous, drying brown, the spici- 
ferous 1 mm. thick; collenchyma continuous, libriform ; a single cen- 
tral lysigenous canal; abundant orange-coloured cells in bark and 
pith, Leaves shortly petioled ; limb up to 145 em. long and 6 cm. 
wide; elliptic-lanceolate, acutely acuminate, the base equilateral 
acute ; glabrous above, puberulous underneath ; 7—9-plinerved, the 
central nerves emitting on each side 1—2 ascendent nerves, the upper- 
most from 26—39 mm. above the base, and having on each side of it 2 
ascendent nerves free from the base ; petiole glabrous, nearly 6 mm. 
long, sheath basal. Peduncle glabrous, up to 26 mm. long, slender. 
Spike: 2 upto 12 cm long; rhachis hirsute ; bract glabrous, its limb 
oblong, subattenuate towards the lower end, rounded at the top, 
adnate, free at the margins, about 3 mm. long and up to 1 mm. 
wide; ovary free, ovate, glabrous; stigmas 3—4, ovate-acuminate. 
Berry globose, nearly 3 mm. in diam., orange coloured when living, 
black when dry, longer than its stipe. 
Perak: at 1000 ft. altitude, Wray 3795 
43. PipeR LaRgutTanum, C. DC. in Records Bot. Surv. Ind. VI. 
16 (1912). Growing on the stems of large trees, 3—5°5 m. long. 
Branches glabrous, the spiciferous 2mm. thick ; collenchyma libriform, 
nearly continuous; a central and several peripheric lysigenous canals; 
abundant fuscous cells in bark and pith. Leaves very shortly 
petioled, glabrous; limb rigid-membranous when dry, copiously 
pellucid-dotted; 13—16 cm. long, 4:83—7 cm. wide; oblong-elliptic, 
acutely acuminate, the base inequilateral, rounded on the longest 
attenuate on the shortest side; penninerved, the central nerve 
emitting on each side and nearly from its whole length numerous 
patulo-subascendent nerves; petiole 4:8 mm. long of which 4 mm. 
between the sides of the limb, sheath basal. Peduncle glabrous, 17 
mm.long. Spike: 2 56cm. long, white when living, black when 
dry; rhachis hirsute ; bract adnate, free and minutely ciliate at its 
margin, 4°5 mm. Jong, little less than 1 mm. wide, oblong, rounded at 
both ends; ovary free, glabrous; stigmas 3—4, ovate-acuminate. 
Berry globose, 4 mm. in diam., bright red when living, black when 
dry, scattered among the flowers. 
Prerak: Larut, September, King’s Collector 3327. 
44, PIPER COLLINUM, C. DC. in Records Bot. Surv. Ind. VI. 17 
(1912), Slender creeper 3:-5—45 m. long. Branchlets glabrous, the 
