Flora of the Malayan Peninsula. 311 
petioled, glabrous; limb subcoriaceous when dry, copiously pellucid- 
dotted, 5-5 em. long, 3:6 cm. wide, ovate, shortly and subacutely 
attenuate, the base rounded, both sides of same width, one slightly 
longer than the other; 7-plinerved, the central nerve emitting 2 
ascendent opposite nerves from nearly 8:4 mm. above the base, and 
having on each side of it 2 nerves free from the base, the inner 
ascendent, the outer subascendent; petiole 66 mm. long, of which 
2:1 between the sides of the limb. Peduncle glabrous, 3:3 mm. long 
when still young. Spike: 2 10°5 mm. long, 2 mm. thick; rhachis 
hirsute; limb of bract rounded, glabrous with a central hirsute 
pedicel; ovary glabrous, its lower portion imbedded in the rhachis :— 
Perak : Kurau, in the plains, May, Wray 4262. 
A species very much like P. fragile, Bentham, from which it differs by the 
structure of the branches. 
21. PirpER MINUTISTIGMUM, C. DC.in Records Bot. Surv. Ind. VI. 
9 (1912). Avery large pepper, 9—12 m. long. Branchlets glabrous, 
light brown when dry, the spiciferous up to 3 mm. thick; collen- 
chyma continuous, its inner zone sparingly libriform; no peripheric 
lysigenous canal; very abundant fuscous cells in bark and pith. 
Leaves moderately long petioled, glabrous; limb rigid when dry, 
minutely and sparingly peliucid-dotted, 13°5 cm. long, 7 cm. wide; 
ovate, acutely acuminate, the base rounded, both sides of same 
width but unequally long; 9-plinerved, the central nerves emitting 2 
alternate ascendent nerves, the uppermost from 16°5—19°3 mm. 
above the base, and having on each side of it 3 nerves free from 
the base, all nerves prominent underneath; petiole 19 mm. long 
of which 6°3 mm. between the sides of the limb, sheath basal. 
Peduncle glabrous 5:8—7‘7 cm.long. Spike: 2 cylindric about 9 cm. 
long and nearly 4 mm. thick when ripe; rhachis velutino-puberulous ; 
bract glabrous, its limb ovate-rounded 1°5 mm. long, with a very 
short and thick pedicel inserted below its centre; ovary deeply 
imbedded in the rhachis, convex and velutino-puberulous in its upper 
free portion; stigmas3 minute. Berry subquadrangular at the apex. 
Perak: Larut, September, King’s Collector 2388; Scortechinz. 
22. PiprR Betuz, Linn. Sp. Pl. Ed. 1, 28 (1753). Scandent. 
Branches glabrous, brown when dry, the spiciferous 0°5 mm. thick ; 
collenchyma continuous or subcontinuous, partly libriform ; a central 
and several peripheric lysigenous canals, abundant brown cells in 
bark and pith. Leaves glabrous; limb membranous when dry, 
