Flora of the Malayan Peninsula. 331 
rower on one side, equally long on both sides ; 7-plinerved, the central 
nerve emitting on each side 2 ascendent thin nerves, the uppermost 
from 5°7 cm. above the base, and having on each side of it one 
ascendent nerve free from the base; petiole 63 mm. long, with 
basalsheath. Peduncle glabrous, 8:5 mm. long, very slender. Spike: 
3 65 cm. long and 2 mm. thick when nearly flowering; rhachis 
hirsute; bract glabrous, its limb subovate-elliptic, 1-5 mm. long, 
with a very short and thick pedicel containing gelified cells; stamens 
2, anthers elliptic, 2-valvate. 
~ Perak : at Larut, 2800—3000 ft. alt., King’s Collector 3228. 
56. PIPER SUBRUBRISPICUM, C. DC. in Records Bot. Surv. Ind. 
VI. 23 (1912). About 90 cm. high. Branches rather long-hirsute, 
the spiciferous 3 mm. thick; collenchyma continuous, not libriform ; 
a single central lysigenous canal. Leaves long-petioled ; limb mem- 
branous when dry, copiously pellucid-dotted, glabrous above, hirsute 
underneath, up to 15 em. long and 14 cm. wide; rounded-ovate, 
obtusely acuminate, the base equilateral, deeply cordate; 9-plinerved, 
the central nerve emitting 2 opposite ascendent nerves from 4:2 
mm. above the base and having on each side of it 3 nerves free from 
the base ; petiole about 6 cm. long, hirsute on the back, the sheath 
prolonged up to nearly 14:5 mm. above the base, the stipules densely 
pubescent outside. Peduncle hirsute,6°3mm.long. Spike: 3 about 
6 cm. long and 4:2 mm. thick when flowering, obtuse at the top, 
white and tinted dull-pink when living, blackish red when dry ; 
rhachis glabrous ; bract glabrous, its limb oblong-obovate, attenuate 
towards the lower end, with a short central pedicel; stamens 3, 
anthers reniform, 4-valvate, shorter than the oblong filaments. 
Perak: upper land, Wray 3579. 
57. Pirp—ER LONGAMENTUM, C. DC. in Records Bot. Surv. Ind. VI. 
23 (1912). Scandent? Branches hirsute, drying brown, the spicifer- 
ous nearly 1 mm. thick, hirtillous ; collenchyma in distinct laterally 
widened bundles, its inner zone libriform; a single central lysigenous 
canal. Leaves shortly petioled ; limb membranous when dry, minutely 
pellucid-dotted, up to 10°5 cm. long and 3:5 cm. wide, oblong-ovate- 
lanceolate, acutely and rather long acuminate, equilateral and acute 
at the base, sparingly pubescent above and rather densely under- 
neath ; 5-plinerved, the central nerve emitting 2 opposite ascendent 
nerves from about 14:7 mm. above the base and having on each side 
