Flora of the Malayan Peninsula. 313 
petiole ; 13-plinerved, the central nerve emitting 3 pairs of opposite 
ascendent nerves, the uppermost from nearly 9 cm. above the base, 
and having on each side of it 3 divergent nerves free from the base ; 
petioles 10 mm. long, densely villous. Peduncle minutely puberu- 
lous, 45mm. long. Spike: 2 about 16:5 cm. long, 3°5 mm. thick 
when flowering; rhachis hirsute; bract glabrous, its limb round with 
a shert central and thick pedicel; ovary half imbedded in the 
rhachis, umbonate and glabrous above; stigmas 3, ovate-acute. 
Berry black when dry. 
SuncEr Usone: Vern. ‘‘ Akar Sangkap,’’ Cantley 1867. 
The roots when boiled are given in cases of fever. 
24, PipER PORPHYROPHYLLUM, N. EK. Brown in Gard. Chron. 
(1884) XXII. 438. Scandent. Branches glabrous, the spiciferous 
0:5 mm. thick; collenchyma libriform, in distinct bundles; a single 
central lysigenous canal. Leaves moderately long petioled, glab- 
rous; limb membranous when dry, marble pink underneath when 
living, nearly 10°5 cm. long and 4°5 cm. wide, elliptic, shortly and 
acutely acuminate, the base acute and shortly inequilateral ; 7-pli- 
nerved, the central nerve emitting 2 ascendent nerves, the uppermost 
from nearly 2°5 cm. above the base, and having on each side of it 2 
ascendent nerves free from the base ; petiole 8:5 mm. long of which 1 
mm. between the sides of the base. Peduncle up to 17 mm. long, 
glabrous. Spike: 3 a little longer than the limb, rhachis hirsute; 
bract glabrous, oblong, adnate, free at the margin, rounded iat both 
ends; stamens 3, anthers small obovate, filaments very slender: 9 
up to twice as long as the limb, rhachis and bract as in the male ; 
ovary free, glabrous, stigmas 4 linear. Berry ovate, attenuate at 
the apex, 5 mm. long, reddish-black and longitudinally wrinkled when 
dry. P. nigrum?, Wall. Cat. 6643 E, F. ex Hook. f.in Fl. Br. Ind. 
V.96. Cissus? porphyrophyllus, Lindl. in Journ. Hort. Soc. I. 225 
and Fl. des Serres Ser. 2, IV. t. 1491 (a sterile specimen). 
PERAK: Hijau range, Curtis 2048. Dinpinas: Ridley 3035. 
Malacca, Singapore and Penang, Wallach 6643. 
Found in the whole Peninsula from Tringganu to Singapore. 
25. PirpeR nicrRuM, Linn. Sp. Pl. Ed. 1, 28 (1753). Climbing, 
quite glabrous. Branches terete, the spiciferous 2—3 mm. thick ; 
_ collenchyma libriform, continuous, in a thin layer; a central and 
many peripheric lysigenous canals. Leaves moderately long petioled : 
limb coriaceous, more or less glaucous underneath, minutely pellucid- 
