A REVISION OF PHILIPPINE PIPERACEAE. 453 
Limbi in sicco rigidi crebre pellucido-punctulati usque ad 12.5 em longi 
et ad 47 mm lati. Petioli6 mm longi. Pedunculi usque ad 20 mm longi 
et 0.5 mm crassi. Spicae 7.5 cm longae. Bractea 2.5 mm longa et 1.5 
mm lata. Bacca 4 mm longa et usque ad 3 mm crassa, in sicco atrorubens. 
Luzon, Province of Benguet, Bur. Sci. 5720 Ramos, December. 
Forma b. 
Limbis in sicco magis membranaceis. 
G4 
Luzon, Province of Ilocos Norte, Mount Piao, For. Bur. 12484 Merritt & Darl- 
ing, November. ; 
80. Piper davaoense C. DC. in Perk. Frag. Fl. Philip. (1905) 154, emend. 
Foliis breviter petiolatis, ovatis basi ima leviter inaequilatera acutis 
apice acute acuminatis utrinque glabris, 7-plinerviis nervo centrali nervum 
adscendentem altero latere a 3-4 mm supra basin mittente, aliis nervis 
a basi solutis quorum ultimi caeteris tenuioribus et brevioribus; petiolo 
basi ima vaginante; stirpis fem. pedunculo glabro petiolum spicaque 
folium pluries superantibus; rhachi pilosa, bractea longe adnata, glabra, 
oblonga apice obtusa basi attenuata; bacca libera submatura ovata, 
stigmatibus 3 ovatis apice acutis. 
Dioicum, scandens. Ramuli glabri in sicco pallide virescentes, spiciferi 
1 mm crassi, collenchyma libriforme in fasciculos discretos a latere 
elongatos dispositum, fasciculi intramedullares 1-seriati, canales lysigenes 
peripherici nulli. Limbi in sicco membranacei crebre et conspicue 
pellucido-punctulati, usque ad 9 cm longi et ad 47 mm lati. Petioli 5 
mm longi. Foliorum inferiorum limbi 7-nervii et basi aequilateri. 
Pedunculi 4.5 cm longi, spicae usque ad 30 cm longae. Bractea 5 mm 
longa, apice 1 mm lata. 
Mindanao, District of Davao, Mount Dagatpan, in mixed forests, Warburg 
14740; Taumo, Warburg 14745; Barakatan Creek, in dry woods, altitude about 
540 m, scandent on small trees and forming loose hanging bunches, the inflorescence 
hanging in a twining and curving manner, Elmer 11065, locally known as manika- 
tapoe (Bagobo). 
81. Piper pulogense C. DC. sp. nov. 
Foliis modice petiolatis, ovato-ellipticis, basi ima levissime inaequi- 
latera subacutis apice acute et sat longe acuminatis, utrinque glabris, 
5-nerviis; petiolo glabro ultra medium vaginante ; stirpis fem. pedunculo 
glabro petiolum fere duplo superante, spica folii limbum paullo superante, 
rhachi glabra, bractea obovato-elliptica lata, rhachi late adnata, ovario 
libero ovato glabro, stigmatibus 3 vel 4 rotundatis, bacca oblonga basi 
brevissime stipitata. 
Dioicum, scandens. Ramuli glabri in sicco fusco-nigri, spiciferi 2 mm 
crassi, collenchyma libriforme in fasciculos discretos dispositum, fasciculi 
intramedullares 1-seriati, canalis lysigenis unicus centralis. Limbi in 
sicco membranacei minute pellucido-punctulati, usque ad 8.5 longi et ad 
