442 
DE CANDOLLE. 
forme^ fasciculi intramedullares 1-seriati, canalis lysigenis unicus cen- 
tralis. Limbi in sicco membranacei, minutissime et inconspicue pellu- 
cido-punctulati, superi 6 cm longi et 26 mm lati. Petioli usque ad limbi 
latus longius 3 mm, inter limbi latera 7 mm longi. Spica florens 6 mm 
longa, 3 mm crassa. Flores in vivo albi. Bracteae pelta 0.5 mm dia- 
metro. Stigmata in apice ovarii sessilia. 
Mindanao, Province of Surigao, Allen 152, in deep shade, moist places, July. 
55. Piper sibulanum C. DC. in Perk. Frag. FI. Philip. (1905) 158, emend. 
Foliis modice petiolatis, suboblique rotundato-ovatis basi ima aequi- 
latera acutis apice breviter et obtusiuscule acuminatis, supra glabris 
subtus ad nervos minutissime puberulis, 9-ninerviis nervo eentrali nervos 
adscendentes 2 alternatim mittente quorum supremus a 22 mm supra 
basin solutus, nervis lateralibus adseendentibus utrinque 3 a basi solutis ; 
petiolo minutissime puberulo basi ima vaginante ; stirpis masc. pedunculo 
minutissime puberulo quam petiolus fere triplo breviore; spica quam 
limbi dimidium breviore, rhachi glabra, bracteae glabrae pelta rotunda 
centro pedicellata, staminibus 2, antheris minutis ellipticis bivalvatis, 
filamentis cum antheris aequilatis et eis paullo longioribus. 
Dioicum. Eamuli juniores minutissime puberuli, cito glabri, spiciferi 
2.5 mm crassi, collenehyma in fasciculos discretos dispositum et haud 
libriforme, fasciculi intramedullares 1-seriati, canales -lysigenes nulli. 
Limbi in sicco membranacei pellucido-punctulati, 10-11 cm longi, 7-8 
cm lati. Petioli 2 cm longi. Spica florens 3 cm longa, 2 mm crassa. 
Bracteae pelta 0.75 mm diametro. In specimine viso spica exstat 
sparsim tumefacta, tumoribus globosis amileum continentibus et baccas 
mire simulantibus. 
Mindanao, District of Davao, in forests on the coast, Warburg 147^2. 
56. Piper malarayatense C. DC. sp. nov. 
Foliis modice petiolatis, oblongo-ovatis basi aequilatera rotundatis 
apice acute et sat longe acuminatis, supra glabris subtus ad nervos 
hirtellis, 9-ninerviis, nervo eentrali nervos 2 adscendentes alternatim 
mittente quorum supremus a 1.5 cm supra basin solutus, nervis lateralibus 
3 a basi solutis; petiolo dense hirtello usque ad dimidium longitudinis 
vaginante; stirpis masc. pedunculo glabro petiolum paullo - superante, 
spica florente limbi dimidium fere aequante, rhachi pilosa, bracteae 
glabrae pelta rotunda, centro pedicellata, staminibus 2, antheris reniform- 
ibus. 
Dioicum, scandens. Eamuli glabri, spiciferi 1.5 mm crassi, collen- 
chyma continuum sparsim libriforme, fasciculi intramedullares 1-seriati, 
canalis lysigenis unicus centralis. Limbi in sicco membranacei epunc- 
tulati, superi 11 cm longi, 5 cm lati, inferi paullo majores, rotundato- 
ovati basi cordati et subtus ubique sat dense hirtelli. Petioli superi 22 
