Flora of the Malayan Peninsula. 335 
limb elliptic, 12 em. long 7°5—10 c.m. wide; petiole, peduncle and 
female spike nearly 26 mm. long. 
PERAK: Scortechini 779. 
63. PIPER FLAVIMARGINATUM, C. DC. in Records Bot. Surv. Ind. 
26 (1912). Branches glabrous, drying brown, the spiciferous 2 mm. 
thick; collenchyma libriform, continucus; a central and several 
peripheric lysigenous canals; in branches 4 mm. thick there is a 
continuous zone of sclerosed cells tightly surrounding the peripheric 
fibro-vascular bundles. Leaves moderately petioled, glabrous; limb 
elliptic, acutely acuminate, acute and inequilateral at the base, 
nearly 12 cm. long and 8cm. wide; 7-plinerved, the central nerve 
emitting on each side 2 ascendent nerves, the uppermost from about 
23 mm. above the base, and having on each side of it one ascendent 
nerve free from the base; petiole 14:8 mm. long with 63 mm. 
between the sides of the limb, sheath basal. Pedwncle glabrous 
nearly 26 mm. long. Spike: 3 63 cm. long; rhachis glabrous 
receptacles subsessile, loose, elliptic, bilabiate, glabrous outside 
hirsute inside ; stamens 8, in a single row, anthers ovate, 4-valvate, 
shorter than the oblong filaments. 
SINGAPORE: at Chan-Chu-Kang, Ridley 3772? ; at Bukit Timah, 
Ridley 6425. 
64. PipgeR FIRMUM, C. DC. in Prodr. XVi. 1. 242. “Scandent. 
Branches glabrous, reddish-fuscescent when dry, the spiciferous 
about 2 mm. thick ; collenchyma libriform, in distinct bundles; a cen- 
tral and many peripheric lysigenous canals; sclerosed cells surround- 
ing the masses of phloem of the peripheric fibro-vascular bundles. 
Leaves moderately petioled, glabrous ; limb coriaceous, about 7°9 em. 
long and 3 cm. wide, elliptic-lanceolate, acute at the top, the base 
acute, equilateral or slightly inequilateral ; 5—6-plinerved, the central 
nerve emitting 2—3 ascendent nerves, the uppermost from near the 
base and having on each side of it one ascendent nerve free from the 
base ; petiole 8-5 mm. long with basal sheath. Pedunele glabrous, 
12°55 mm. long. Spike: 9? nearly 4 cm. long; rhachis glabrous; 
receptacle sessile, rounded, flattened when adult, glabrous outside, 
hirsute with adpressed hairs inside. |Berry globose, glabrous, 5 mm. 
in diam., brown when dry. Muldera firma, Miq. in Ann. Mus. Bot. 
Lugd.-Bat. V. 140. 
PERAK: Tapa, Wray 1281.—Distris: Java, Herb. Bogor, Kurz 
1290; Sumatra, Korthais. 
