xi, c, 5 De Candolle: Piperaceae Philippinenses 217 
PIPER FUSCESCENTIRAMEUM C. DC. sp. nov. 
RamuSis glabris; foliis modice petiolatis glabris, limbo ellip- 
tico-lanceolato basi aequilatera acuto apice acute acuminato, 
9-ninervio, nervo centrali nervos adscendentes 2 alternatim 
mittente quorum supremus a 3 cm supra basin solutus, nervis 
lateralibus utrinque 3 a basi solutis quorum 2 adscendentes 
tertius subadscendens aliis multo tenuior ac brevior, petiolo basi 
ima vaginante; pedunculo glabro quam petiolus multo breviore, 
spica cylindrica florens quam limbus pluries breviore, rhachi 
hirsuta, bracteae glabrae pelta rotunda centro breviter pedi- 
cellata, ovario rhachi immerso superne in stilum liberum sat 
longum conicum et glabrum producto, stigmatibus ovatis. 
Dioicum, scandens. Ramuli in sicco fuscescentes, spiciferi 
1 mm crassi, in 4 mm crassis collenchyma libriforme in fasci- 
cules discretes dispositum, fasciculi intramedullares 1-seriati, 
canalis lysigenus centralis periphericique plures. Limbi in sicco 
firme membranacei pellucido punctulati, superi usque ad 19 cm 
longi et 7.7 cm lati. Petioli 2.5 cm pedunculi 0.6 cm longi. 
Spica florens 1 cm longa cum stilis 4 mm crassa, in vivo alba 
in sicco fuscescens, rhachis canali lysigeno unico centrali munita, 
bracteae pelta 1 mm diam., stigmata 3. 
Leyte, Wenzel 118k, a vine in forests, altitude about 500 m, flowers white. 
PIPER VIMINALE Opiz in Presl Rel. Haenk. 1 (1828) 150, t. 26. 
Luzon, Laguna Province, San Antonio, Bur. Sci. 20k00 Ramos. Cami- 
guin, Bur. Sci. Ik6k5, H685 Ramos. 
PIPER CAGAYAN ENSE C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 435. 
Luzon, Cagayan Province, Bur. Sci. 13838 Ramos, on trees in forests. 
PIPER PODANDRUM C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 436. 
Luzon, Rizal Province, Loher 6008. 
PIPER CALVIFOLIUM C. DC. sp. nov. 
Ramulis glabris; foliis breviter petiolatis glabris, limbo ellip- 
tico-subovato-lanceolato basi aequilatera acuto, apice acute et 
sat longe acuminato, 5-plinervio, nervo centrali nervos 2 adscen- 
dentes mittente quorum supremus a 7-15 mm supra basin solutus, 
nervo laterali utrinque a basi soluto, petiolo usque ad limbum 
vaginante; stirpis masc. pedunculo glabro petiolum superante, 
spica florente quam limbus pluries breviore, rhachi hirsuta, 
bracteae pelta glabra rotunda centre pedicellata pedicello hirsuto, 
staminibus 2 antheris ovatis quam filamenta longioribus. 
Ramuli spiciferi fere 1 mm crassi, collenchyma in fascicules 
discretes dispositum et hand libriforme, fasciculi intramedullares 
1-seriati, canalis lysigenus unicus centralis, pholoema inter fas- 
