A REVISION OF PHILIPPINE PIPERACEAE. 
437 
supremus fere a 5 mm supra basin solutus sursumque nervulos numerosos 
patulos et sat yalidos mittente, nervo adscendente brevi et tenui utrinque 
a basi soluto; petiolo ciliato basi ima vaginante; stirpis mase. pedunculo 
puberulO' petiolum paullo superante, spica quam folii limbus pluries 
breviore, rhachi hirsuta, bracteae pelta rotunda margine ciliata centro 
pedieellata, pedicello hirsuto ; staminibus 2 antheris ovatis exsertis quam 
filamenta brevioribus. 
Dioieum. Eamuli vetustiores subverruculosi et glabri, juniores leviter 
striolati, praesertim altero latere pilosuli, spiciferi in sicco 0.5 m m crassi, 
collenchyma libriforme in fasciculos discretos tenues dispositum, canalis 
lysigenis unicus centralis. Limbi in sicco membranacei, minute pel- 
lucido-punctulati, superi usque ad 10 cm longi et 1.5 cm lati. Petioli 
4 mm, pedunculi 7 mm longi. Spica florens 1 cm longa. 
Luzon, without definite locality, Haenke 78 in herb. Vindob. ■. Province of Ba- 
taan, Lamao River, Williams 227, November. 
45. Piper philippinum Miq. Syst. Pip. (1843) 322, p. p. 
Foliis breviter petiolatis, ovato-ellipticis basi ima aequilatera obtusis 
vel acutis apice breviter et acute acuminatis, utrinque glabris, 7-plinerviis, 
nervo centrali nervos 2 adscendentes mittente quorum supremus a 2. 5-3. 5 
cm supra basin solutus, nervis lateralibus adscendentibus utrinque 2 a 
basi solutis; petiolo glabro basi ima vaginante; stirpis masc. pedunculo 
glabro quam petiolus paullo longiore, spica llorente quam folii limbus 
breviore, rhachi pilosa, bracteae glabrae pelta rotunda centro^ pedicellata, 
staminibus 2, antheris rotundatis .quam filamenta multo brevioribus. 
Dioieum. Eamuli glabri, collenchyma in fasciculos discretos dis- 
positum et haud libriforme, fasciculi intramedullares 1-seriati, canales 
lysigenes pauci quorum unus centralis et 1 vel 2 peripherici. Limbi in 
sicco firmi, fuscescentes, usque ad 14 cm longi et 67 mm lati. Petioli 
usque ad 10 mm, pedunculi usque ad 12 mm longi. Spica florens 8 cm 
longa, 2 mm crassa. Ehachis canali lysigeni centrali ac peripherieis 
pluribus percursa. Bracteae pelta fere 1.25 mm diametro, rigida. 
Luzon, Province of Albay, Cuming 912. 
46. Piper Jagori 0. DC. Prodr. 1 6 1 (1869) 358 (P. Jayeri, sphalm.), emend. 
Foliis breviter petiolatis, elliptieo-oblongis, basi ima aequilatera cordu- 
latis apice acute attenuatis, 7-plinerviis, nervis subtus prominulis, centrali 
nervos adscendentes utrinque 2 alternatim vel subalternatim mittente, 
quorum supremus a 3.5 cm, inferi paullo supra basin soluti, nervo laterali 
adscendente utrinque a basi soluto; petiolo glabro basi ima vaginante 1 ; 
stirpis masc. pedunculo glabro petiolum paullo superante, spica florente 
quam folium fere triplo breviore, rhachi pubescente, bracteae pelta glabra 
rotundata centro subsessili, staminibus 2, filamentis brevissimis. 
Dioieum. Eamuli glabri, spiciferi 1.5 mm crassi, collenchyma sub- 
continuum, haud libriforme, fasciculi intramedullares 1-seriati, canalis 
lysigenis unicus centralis. Limbi in sicco rigidi, nitiduli, opaci, fere 15 
