A REVISION OF PHILIPPINE PIPERACEAE. 
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62. Piper parcirameum C. DC. in Elm. Leaf!. Philip. Bot. 3 (1910) 777. 
Mindanao, District of Davao, Todaya (Mount Calelan), Elmer 112 V/. 
63. Piper crassinodum C. DC. 1. c. 776. 
Luzon, Province of Tayabas, Lucban, Elmer 7 626, 801/2. 
64. Piper parcipilum C. DC. sp. nov. 
Foliis breviter petiolatis, ovato-oblongis basi fere aequilatera obtusis, 
apice sat longe acuminatis acumine obtuso, utrinque paree hirtellis et 
adultis fere glabris, 5-plinerviis, nervo centrali fere 6 mm silpra basin 
trifido sursnmque nervnlos validos et patulos mittente, nervo laterali 
adscendente utrinque a basi soluto; petiolo glabro basi ima vaginante; 
stirpis masc. pedunculo glabro petiolum multo snperante et tenui; spica 
quam folii limbus pluries breviore apice acuta, rliachi liirsuta, bractea 
glabra rotunda centro subsessili, staminibus 2, antlieris ovatis filamenta 
longitudine aequantibns. 
Dioicum. Eamuli glabri, spiciferi 1 mm crassi, collenclryma sub- 
continuum partirn libriforme, fasciculi intramedullares 1-seriati, canales 
lysigenes plures quorum unus centralis alii peripherici, cellulae sclerosae 
interfascicnlares cum pbloemate fasciculorum periplrericorum continuae. 
Limbi in sicco membranacei minute et inconspieue pellucido-punctulati, 
usque ad' 11.75 cm longi et ad 34 mm lati. Petioli 6-10 mm, pedunculi 
15 mm longi. Spicae circiter 12 mm longae. Bracteae 0.75 mm 
diametro. 
Mindanao, Lake Lanao, Camp Keithley, Mrs. Clemens s. n., September, October, 
65. Piper Robinsonii C. DC. sp. nov. 
Foliis modice petiolatis elliptico-lanceolatis basi ima aequilatera acutis 
apice acute et sat longe acuminatis, utrinque crispule pubescentibus, 
5-plinerviis, nervis adscendentibus, nervo centrali a 4 mm supra basin 
trifido, nervo laterali utrinque a basi soluto ; petiolo pubescente basi ima 
vaginante ; stirpis fern, pedunculo petiolum subaequante, supra in margine 
crispule pubescente, spica adhuc juvenili quam folii limbus pluries 
breviore, rhacbi pilosa, bracteae glabrae pelta rotunda, ovario libero 
glabro. 
Dioicum. Eamuli juniores crispule pubescentes, postea glabri, spiciferi 
1 mm crassi, longi tudinaliter striati, collenchyma in f asciculos discretos 
disposition et haud libriforme, canalis lysigenis unicus centralis. Limbi 
in sicco membranacei ereberrime et minute pellucido-punctulati, usque 
ad 5.5 cm longi et 20 mm lati. Petioli 5 mm longi. Spica juvenilis 
in specimine viso usque ad 6 mm longa et 1.5 mm crassa. 
Luzon, Province of Laguna, Mount Banajao, Bur. Sci. 6065 Robinson, March. 
66. Piper ovatibaccum C. DC. in Elm. Leafl. Philip. Bot. 3 (1910) 778. 
Foliis breviter petiolatis, ovato- vel elliptico-lanceolatis, basi leviter 
inaequilatera in mare utrinque acutis, in femina utrinque acutis vel 
altero latere rotundatis, apice acute et sat longe acuminatis, supra 
