A REVISION OF PHILIPPINE PIPERACEAE. 459 
usque ad 10 mm longi. Spicae masce. circiter 2 cm, fem. circiter 4.5 em 
longae. Bractea pelta 0.5 mm diametro. Bacca in vivo 8 mm longae 
6—7 mm latae, in sicco 5 mm longae, 3—4 mm latae. 
Spontaneous and cultivated in the Malayan Peninsula and Archipelago. 
Var. glabribracteum C. DC. var. noy. 
Ramulis glabris, limbis ovato-lanceolatis basi aequilatera acutis apice 
longe et acute acuminatis 5-plinerviis, supra glabris subtus pilosis, 11.5 
cm longis, 5.5 cm latis, pedunculo glabro petiolum paullo superante, 
bractea glabra obovato-rotunda, bacca in sicco 2.5 mm longa. 
Minpanao, Lake Lanao, Camp Keithley, Mrs. Clemens 176, February. 
Var. sablanum C. DC. var. nov. 
Ramulis glabris, limbis ovatis basi aequilatera rotundatis apice longi- 
uscule et acute acuminatis, supra glabris subtus haud dense pilosis, 
7-plinerviis, circiter 12 cm longis et usque ad 7 cm latis, bractea glabra 
transverse elliptica, bacca in sicco 7 mm longa, 5 mm crassa. 
Luzon, Province of Benguet, Sablan, Elmer 6150, April. 
Var. latibracteum C. DC. var. nov. 
Ramulis dense villosis, late ovatis basi aequilatera rotundatis apice 
longe et acute acuminatis, supra parce subtus densius pilosis, 7-plinerviis, 
8.5 cm longis 5 em latis, bracteae glabrae pelta rotunda 1.5 mm diametro. 
Luzon, Province of Tayabas, Lucban, Elmer 7627, 7990, rare, 750 to 3,500 feet: 
Province of Benguet, Baguio, Elmer 8844. 
Var. lanaoense C. DC. var. nov. 
Ramulis haud dense vilosis, limbis elliptico-ovatis basi leviter in- 
aequilatera altero latere rotundatis altero subacutis, apice acute acu- 
minatis, supra parce subtus sat dense hirsutis, 7-plinerviis, usque ad 
12 cm longis et ad 5 em latis; bracteae glabrae pelta obovato-rotunda 
centro subsessili, 0.75 mm longa. 
MINDANAO, Lake Lanao, Camp Keithley, Mrs. Clemens s. n., September, 
93. Piper acutibaccum ©. DC. sp. nov. 
Foliis modice petiolatis, anguste elliptico-lanceolatis basi aequilatera 
cuneatis apice longe et acute acuminatis, supra glabris subtus ad nervum 
centralem parce pilosis, 5-plinerviis, nervo centrali nervos 2 adscendentes 
alternatim mittente quorum superus a 7 mm supra basin solutus, vel 
5-nerviis nervis 3 centralibus inferne approximatis; petiolo piloso paullo 
ultra basin vaginante ; stirpis fem. pedunculo glabro petiolum fere duplo 
superante; spica quam folii limbus breviore, rhachi hirsuta, bracteae 
glabrae pelta rotunda centro pedicellata, stigmatibus 3 linearibus brev- 
ibus; bacca glabra submatura fusiformi apice attenuato-acuta. 
Dioicum, scandens. Ramuli pilosi, spiciferi 1 mm crassi, collenchyma 
continuum haud libriforme, fasciculi intramedullares 1-seriati, canalis 
