A REVISION OF PHILIPPINE PIPERACEAE. 
453 
Limbi in sicco rigidi crebre pellucido-punctulati usque ad 12.5 cm longi 
et ad 47 mm lati. Petioli 6 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. 
Luzon, Province of Ilocos Norte, Mount Piao, For. Bur. 12484 Merritt & Barl- 
ing, November. 
80. Piper davaoense C. DC. in Perk. Frag. FI. Philip. (1905) 154, emend. 
Poliis 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 fern, pedunculo glabro petiolum spieaque 
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. Bamuli glabri in sicco pallide virescentes, spiciferi 
1 mm crassi, collenchyma libriforme in fasciculos discretos a latere 
elongatos dispositum, fasciculi intraniedullares 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. Poliorum 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. 
Poliis 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 fern, pedunculo 
glabro petiolum fere dupl'o 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. Bamuli 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 
