A REVISION OF PHILIPPINE PIPERACEAE. 
433 
a 10 mm in mare, a 30 mm in-femina supra basin soluto; ramuli in 
sicco pnnctulis rubris conspersi. Stirpis fern, spica cjlindrica 18 mm 
longa et immatura 4 mm crassa, bracteae pelta ut in specie. 
Mindanao, District of Davao, Warburg 14746; Santa Cruz, Copeland 1315, 
mase., April. 
Forma e. 
Piper parvispicum C. DC. in Perk. Frag. FI. Philip. (1905) 158. 
Limbis quoad formam nt in praecedente sed paullo minoribus; stirpis 
fern, spica obovato-cylindrica vel cylindrical submatura nsqne ad 15 mm 
longa et 9 mm crassa, bracteae pelta rotunda. . 
Mindanao, District of Davao, Mount Dagatpan, Warburg 14750 ; Taumo, War- 
burg 14747. 
35. Piper rhombophyllum C. DC. Prodr. 1 6 1 (1869) 352, emend. 
Omnino glabrum, foliis breviter petiolatis, rhoinbeo-lanceolatis, basi 
aequilatera cuneatis apice longe acnminatis acumine. obtusiusculo, 5- 
plinerviis nervo centrali a 15 mm supra basin trifido aliis nervis a basi 
solntis adscendentibus ; petiolo basi ima vaginante, stirpis fern, pedunculo 
petiolum mnlto superante, spica submatura quam folii limbus pluries 
breviore cylindrica apice rotund ata, bracteae pelta lunulata centro pedieel- 
lata, ovario immerso superne in stilum oblongum producto, stigmatibus 
3 oblongis apice acutis. 
Dioicum. Ramuli teretes laeves, spiciferi 1.5 mm erassi, collenchyma 
in fasciculos discretos dispositum et haud libriforme, fasciculi intrame- 
dullares 1-seriati, canalis lysigenis centralis peripherici nulli. 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 ecbinata. 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. Genbve 2 (1898) 273, 
■ emend. 
Foliis breviter petiolatis, elliptico-laneeolatis, basi inaequilatera acutis 
apice sat longe acuminatis acumine obtusiusculo, utrinque glabris, 7- 
plinerviis, nervo centrali nervos 2 adscendentes alternating 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 fern, pedunculo glabrb petiolum superante, spica matura 
folii dimidium aequante vel paullo superante, cylindrica, rhaclri parce 
pilosa, bracteae glabra pelta rotunda centro sat longe pedicellate, ovario 
glabro basi in rhachi leviter immerso, stigmatibus 3-5 minutissimis ovato- 
acutis, eorum apicibus cito deciduis, baecis maturis alte connatis. 
Dioicum, scandens. Ramuli graciles, laeves, glabri, spiciferi circiter 
97605 — —5 
