xi, c, 5 De Candolle: Piperaceae Philippinenses 213 



Dioicum. Ramuli in sicco fusci, spiciferi 1.5 mm crassi, col- 

 lenchyma continuum et haud libriforme, fasciculi intramedul- 

 lares 1-seriati, canalis lysigenus unicus centralis. Limbi in 

 sicco rigidi, minute pellucido-punctulati, usque ad 10.7 cm longi 

 et 3.8 cm lati. Petioli 5 mm, pedunculi 7 mm longi. Spica fern, 

 submatura, in sicco fusca, 2.5 cm longa et 4 mm crassa, bracteae 

 pelta 1 mm diam. 



SlBUYAN, Mount Giting-giting, Elmer 123 IS p. p. 

 PIPER WENZELII sp. nov. 



Ramulis glabris; foliis modice petiolatis glabris, limbo ellip- 

 tico-lanceolato basi aequilatera acuto apice acute acuminato, 7- 

 plinervio nervo centrali nervos adscendentes utrinque 2 mittente 

 quorum supremus a 2-3 cm supra basin infimus paullulo supra 

 basin centralis solutus, nervo laterali adscendente utrinque a 

 basi soluto, petiolo basi ima vaginante, stirpis fern, pedunculo 

 petiolum fere aequante et glabro, spica matura limbi dimidium 

 paullo superante, bracteae pelta rotunda glabra pedicello sat 

 longo et dense hirsuto, bacca libera obovata, stigmatibus ovatis 

 brevibus. 



Dioicum. Ramuli in sicco fiavescentes, spiciferi 3 mm crassi, 

 collenchyma continuum et libriforme, fasciculi intramedullares 

 1-seriati, canalis lysigenus centralis pluresque peripherici. 

 Limbi in sicco coriacei pallescentes, usque ad 15.5 cm longi et 



5.4 cm lati. Petioli fere 2 cm longi. Spica matura usque ad 



9.5 cm longa et fere 4 mm crassa, bracteae pelta 1 mm diam., 

 bacca 1.5 mm longa ut bractea in sicco rubra. 



Leyte, Wenzel 628. 

 PIPER ALBIDIRAMEUM C. DC. in Perk. Frag. Fl. Philip. (1905) 153. 



Leyte, Wenzel 1151, in forests, altitude about 700 m, a vine about 6 m 

 high and 2 cm in diameter, fruit red. 



Forma c C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 429. 



Luzon, Laguna Province, Bur. Sci. 16597, 166S0 Ramos; Mount Banajao, 

 Elmer "B," a tall climber, fruit brick-red, branches few and quite rigid: 

 Tayabas Province, Lucban, Elmer 8117a. Biliran, Bur. Sci. 18706 Mc- 

 Gregor, in forests, altitude 500 m, fruit red. Leyte, Wenzel 1006. 



PIPER HIRTIRHACHE C. DC. sp. nov. 



Ramulis glabris; foliis modice petiolatis glabris, limbo subo- 

 vato-elliptico-lanceolato basi aequilatera acuto apice acute et sat 

 longe acuminato, 7-plinervio nervo centrali nervos adscendentes 

 utrinque 2 mittente, quorum supremus ex 2.5 cm supra basin 

 solutus nervo laterali adscendente utrinque a basi soluto, petiolo 

 basi ima vaginante, stirpis masc. pedunculo glabro petiolum fere 



