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A REVISION OF PHILIPPINE PIPERACEAE. 433 
a 10 mm in mare, a 30 mm in femina supra basin soluto; ramuli in 
sicco punctulis rubris conspersi. Stirpis fem. spica cylindrica 18 mm 
longa et immatura 4 mm crassa, bracteae pelta ut in specie. 
Minpanao, District of Davao, Warburg 14746; Santa Cruz, Copeland 1315, 
mase., April. 
Forma e. 
Piper parvispicum C. DC, in Perk. Frag. Fl. Philip. (1905) 158. 
Limbis quoad formam ut in praecedente sed paullo minoribus; stirpis 
fem. spica obovato-cylindrica vel cylindrica, submatura usque ad 15 mm 
longa et 9 mm crassa, bracteae pelta rotunda. 
MInpDANAO, District of Davao, Mount Dagatpan, Warburg 14750; Taumo, War- 
burg 14747. 
35. Piper rhombophyllum C. DC. Prodr. 16’ (1869) 352, emend. 
Omnino glabrum, foliis breviter petiolatis, rhombeo-lanceolatis, basi 
aequilatera cuneatis apice longe acuminatis acumine obtusiusculo, 5- 
plinerviis nervo centrali a 15 mm supra basin trifido aliis nervis a basi 
solutis adscendentibus ; petiolo basi ima vaginante, stirpis fem. pedunculo 
petiolum multo superante, spica submatura quam folii limbus pluries 
breviore cylindrica apice rotundata, bracteae pelta lunulata centro pedicel- 
lata, ovario immerso superne in stilum oblongum producto, stigmatibus 
3 oblongis apice acutis. 
Dioicum. Ramuli teretes laeves, spiciferi 1.5 mm crassi, collenchyma 
in fasciculos discretos dispositum et haud libriforme, fasciculi intrame- 
dullares 1-seriati, canalis lysigenis centralis peripherici null. Limbi in 
sicco membranacei creberrime pellucido-punctulati 10 cm longi 32 mm 
lati, petioli 5 mm, pedunculi 10-12 mm longi. Spica submatura 15 mm 
longa 7 mm crassa stilis echinata. Bracteae pelta 0.75 mm lata in sicco 
rubropunctulata. ‘ 
Luzon, Province of Albay, Cuming 834, herb. Boiss., Berol., Manila: Province 
of Laguna, Elmer 9279. 
36. Piper Langlassei C. DC. in Ann. Cons. Jard. Bot. Genéve 2 (1898) 273, 
_emend, 
Foliis breviter petiolatis, elliptico-lanceolatis, basi inaequilatera acutis 
apice sat longe acuminatis acumine obtusiusculo, utrinque glabris, 7- 
plinerviis, nervo centrali nervos 2 adscendentes alternatim mittente 
quorum supremus circiter a 7 mm supra basin solutus, nervis lateralibus 
adscendentibus utrinque 2 a basi solutis; petiolo glabro basi ima vagi- 
nante; stirpis fem. pedunculo glabro petiolum superante, spica matura 
folii dimidium aequante vel paullo superante, cylindrica, rhachi parce 
pilosa, bracteae glabra pelta rotunda centro sat longe pedicellata, ovario 
glabro basi in rhachi leviter immerso, stigmatibus 3-5 minutissimis ovato- 
acutis, eorum apicibus cito deciduis, baccis maturis alte connatis. 
Dioicum, scandens. Ramuli graciles, laeves, glabri, spiciferi circiter 
97605——5 
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