XI, C, 5 
De Candolle: Piperaceae Philippinenses 
223 
centralis. Limbi in sicco membranacei pellucido-punctulati, 8.8 
cm longi, 3.5 cm lati. Petioli 1 cm, pedunculi usque ad 1.6 
cm longi. Spica baccifera usque ad 15.5 cm longa, rhachis ca- 
nali lysigeno unico centrali munita, bractea fere 5.5 longa et 
apice 1 mm lata, bacca in sicco fuscescens, fere 4 mm longa. 
Luzon, Ifugao Subprovince, Mount Polis, Bur. Sci. 19819 McGregor. 
PIPER LOHERI C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 450. 
Luzon, Laguna Province, Calauan, Bur. Sci. 12421 McGregor : Rizal 
Province, Montalban, Phil. PI. 269 Merrill, Bur. Sci.. 11840 Robinson. 
Forma c C. DC. forma nova. 
Limbo 5-nervio, rotundato-ovato-lanceolato basi aequilatera 
acuto apice acute acuminato, usque ad 7 cm longo et 4-8 cm lato. 
Luzon, Union Province, Bauang, Bur. Sci. 12983 Fenix. 
Forma b multiplinerve C. DC. 1. c. 
Luzon, Bulacan Province, Norzagaray, Bur. Sci. 12242 Foxworthy, fruit 
orange. 
PIPER SAMARANUM C. DC. sp. nov. 
Ramulis glabris, foliis modice petiolatis glabris, limbo ovato- 
lanceolato basi leviter inaequilatera utrinque acuto apice acute 
acuminato, 5-plinervio nervo centrali nervos adscendentes 2 al- 
terne vel opposite mittente quorum supremus a 1 cm supra 
basin solutus, nervis lateralibus adscendentibus utrinque 2 a 
basi solutis quorum externus aliis multo tenuior et brevior, pet- 
iolo tenui basi vaginante; pedunculo glabro petiolum multo su- 
perante, spica quam limbus fere duplo longiore, glabra, bractea 
subobovato-oblonga inferne attenuata apice rotundata, baccis 
condensis subglobosis, stigmatibus ovato-acutis. 
Dioicum. Ramuli in sicco cinerescentes, spiciferi 1.75 mm 
crassi, collenchyma fere omnino libriforme in fascicules discretes 
dispositum, fasciculi intramedullares 1-seriati, canalis lysigenus 
nullus. Limbi in sicco cinerescentes firmi inconspicue et minute 
pellucido-punctulati, circiter 7.7 cm longi et 2.7 cm lati. Petioli 
usque ad 0.7 cm, pedunculi 2 cm longi. Spica 13.5 cm longa, 
bractea apice paullo ultra 1 mm lata, bacca 3.5 mm longa, in sicco 
fuscescens. 
Samar, Bur. Sci. 17546 Ramos. 
PIPER NIGRUM Linn, forma GLABRISPICA C. DC. forma nova. 
Stirpis masc. rhachi glabra. 
Mindanao, Butuan Subprovince, Lake Liluan, Weber. 
PIPER ARBORISE DENS C. DC. sp. nov. 
Ramulis glabris; foliis modice petiolatis glabris, limbo subo- 
vato-lanceolato basi aequilatera acuto apice acute et sat longe 
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