20 
P1PERACEAE NOVAE. 
Selangor; — Suiting Peras, May, Ridley 7609 ! 15 miles from 
Palang Track 8519 !. Perak; Maxwell Hill, Curtis 2047 ! Waterloo 2697 ! ; 
rich soil, rocky locality, high hills, alt. 330 — 500 m. August, Kunstler 
10784 ! Gunong Batu Patek, lower camp, alt. 1100 m. Wray , 428 !. 
Forma ft ; collenchyma continuum et fere omnino libriforme ; 
limbus basi obtusus. Spicce androgynse. Flores super! masculi ; 
inferi bisexuales. 
Perak -Ulu Kerling, dense bamboo forest, at 500 — 700 ft., flower 
light yellow, fruit sealing-wax red, Kunstler 8810 !. 
C. BACCA ICPNOTA. 
1. Bractea riiachi baud adnata. 
35. Piper nigrantherum C. DC. n. sp. 
Dioicum. Hamuli glabri, spicifer 2 mm. crassi ; collenchyma 
haud libriforme, in fasciculos crassos a latere valde productos dispositum 
vel subcontinuum ; fasciculi intramedullares uniseriati ; canalis lysigenus 
periphericus nullus ; celluke rubrse in cortice et in medulla creberrimse. 
Folia modice petiolata, glabra ; limbus in sicco firmo-membranaceus, 
minute pellucido-punctuiatus, usque ad 16*5 cm. longus et 9 cm. latus, 
ample ovatus, basi insequilatera cordatus, lateribus ad petiolum sequilongis 
altero a petiolo longiore et latiore, apice acute acuminatus, 8-plinervius, 
nervo centrali utrinque nervos 2 adscendentes mittente quorum 
supremus a 16 mm. supra basin solutus, nervis lateralibus altero latere 3 
altero 2 a basi solutis quorum externus aliis multo brevior ; petiolus fere 1 5 
mm. longus, usque ad medium suum vagin ans. Pedunculi petiolos 
sequantes, glabri. Spicae <$ florentes, circiter 9 cm. longae, fere 3 5 mm. 
crassae ; rhachis hirsuta ; bracteae glabrae pelta obovata, inferne 
attenuata, eentro pedicellata ; pedicellus clavatus ; stamina 2, antherae 
ovatae, filamentis breviores, in sicco saturate nigrae. 
Singapore; in horto botanico et verisimiliter spontanea quaque, 
Ridley !. 
36. Piper filipes C. DC. n. sp. 
Dioicum, repens. Caulis et ramuli tenuissimi, glabri ; ramuli 
spiciferi usque ad 1 mm. crassi ; collenchyma libriforme in fasciculos 
discretos dispositum ; fasciculi intramedullares uniseriati ; canalis lysi- 
genus unicus centralis ; zona cellularum sclerosarum interfascicularis. 
Folia breviter petiolata, glabra ; limbus in sicco membranaceus, minute 
