Flora of the Malayan Peninsula. 337 
67. PrpER SCHIZONEPHROS, C. DC. in Prodr. XVI. 1. 241 exclud. 
spec. Jungh. Branches glabrous, dark brown when dry, the spici- 
ferous nearly 1 mm. thick; collenchyma libriform, in distinct bun- 
dles, a central and several peripheric lysigenous canals; a thick circle 
of sclerosed cells tightly surrounding the peripheric fibro-vascular 
bundles. Leaves glabrous; limb coriaceous, 8—13 cm. long, 
2°>6—5 em. wide; elliptic-lanceolate, acute at both ends, the base 
equilateral; 5-plinerved, the central nerve emitting 2 ascendent 
alternate nerves the uppermost from about 26 mm. above the 
base and having on each side of it one ascendent nerve free from 
the base; petiole about 8°5 mm. long, sheath basal. Peduncle 
glabrous, nearly 18 mm. long, slender. Spike: 3 15°5—18°5 cm. 
long; rhachis very slender, hairy; receptacles stipitate, reniform; 
about §-androus, filaments short, anthers small, rounded, 4-valvate, 
shorter than the filaments. Hook f. Fl. Br. Ind. V. 79. Schizone- 
phros glaucescens, Griff. Notul. IV. 363. 
PENANG: Government hill, Curtis 1771. Matacca: at Ching, 
Griffith 4400. 
68. PIPER PpoLyaeynum, C. DO. in Records Bot. Surv. Ind. VI. 27 
(1912). Large climber, stem up to 13 cm. thick. Branches glabrous, 
drying brown, the spiciferous 7 mm. thick; collenchyma in these 
31am. thick libriform in distinct bundles, no lysigenous canal; a circle 
of sclerose cells tightly surrounding the peripheric fibro-vascular 
bundles. Leaves moderately long-petioled, glabrous; limb coriaceous 
when dry, elliptic, shortly and acutely acuminate, the base attenuate 
and slightly inequilateral; about 13 cm. long and 6:5 cm. wide; 
penninerved, the central nerve emitting on each side 3 alternate and 
ascendent nerves, the uppermost from 29 mm. above the base ; 
petiole 14:5 mm. long of which 2 mm. between the sides of the limb, 
sheath basal. Peduncle glabrous, 29 mm. long, slender. Spike: 9 
nearly as long as the limb, rhachis minutely puberulous; receptacles 
rather distant, sessile, transversely elliptic, minutely velutinous 
outside, densely hirsute inside, containing 3—4 ovaries of which only 
one maturing; ovaries free, sessile, ovate, velutinous at the top; 
stigmas 3, linear. Berry glabrous, globose, nearly 5 mm. in diam. 
Perak, at 3500 ft., Wray 4068. Sunert Usone: Stephenson. 
69. PIprR PACHYPHYLLUM, Hook. f. Fl. Br. Ind. V. 80 (1888). 
Glabrous. Leaves moderately long-petioled; limb probably fleshy 
when living, thickly coriaceous and pale yellowish when dry; elliptic, 
