208 The Philippine Journal of Science isi6 



Vanoverbergh 1178, vine 3 m high in forests, altitude 1,650 m: Ifugao 

 Subprovince, Mount Polis, Bur. Sri. 1981 4 McGregor: Cagayan Province, 

 Weber 1567, Bur. Set. 13881 Ramos, For. Bur. 19559 Curran: La Union 

 Province, Castillo, Loher 4522: Laguna Province, San Antonio, Bur. Sri. 

 165S5 Ramos, fruit reddish-yellow. 



Sectio Eupiper C. DC. Prodr. 16 1 (1869) 339 



PIPER COSTULATUM C. DC. in Elm. Lean. Philip. Bot. 3 (1910) 760; 

 Philip. Journ. Sci. 5 (1910) Bot. 420. 



LUZON, Nueva Vizcaya Province, Bur. Sci. 20071 McGregor. 

 PIPER MINIATUM Blume in Verh. Bat. Genoots. 11 (1826) 166. 



Luzon, Rizal Province, Montalban, Loher 6812. Samar, Bur. Sci. 17439, 

 17575, 17645 Ramos. Leyte, Bur. Sci. 15256 Ramos. Basilan, Bur. Sri. 

 15466 Reillo. 

 Forma b C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 422. 



Samar, Bur. Sci. 17586 Ramos. Leyte, Wenzel 721, 866. 



Forma c C. DC. 1. c. 422. 



Luzon, Laguna Province, San Antonio, Bur. Sci. 12018, 14998 Ramos, 

 on trees; Mount Banajao, Elmer "A," much branched, in clumps, fruit 

 brownish-red. Samar, Bur. Sci. 17586 Ramos. Biliran, Bur. Sci. 18856 

 McGregor, in forests, altitude 500 m, fruit red. Leyte, Wenzel 914- 

 Mindanao, Bukidnon Subprovince, Bur. Sci. 15747 Fenix. 



PIPER FRAGILE C. DC. MULTINERVE C. DC. in Philip. Journ. Sci. 

 5 (1910) Bot. 421. 

 Luzon, Tayabas Province, Mount Pular, Bur. Sci. 19426 Ramos. 



PIPER VARIBRACTEUM C. DC. in Elm. Lean. Philip. Bot. 3 (1910) 764. 



Emend, lege :Baccis inferne in rhachi immersis. 



PIPER ATROSPICUM C. DC. sp. nov. 



Ramulis glabris leviter costulatis ; f oliis modice petiolatis gla- 

 bris, limbo elliptico-lanceolato basi ima inaequilatera acuto later- 

 ibus aequilongis inaequilatis, apice acute acuminato, 6-nervio, 

 nervis lateralibus altero latere 2 altero 3, petiolo fere usque ad 

 medium vaginante ; stirpis fern, pedunculo glabro petiolum multo 

 superante, spica in sicco atronigra quam limbus pluries breviore 

 apice obtusa, rhachi glabra, bracteae glabrae pelta rotunda centro 

 pedicellata, ovario inferne in rhachi immerso, stigmatibus 3 

 linearibus acutis, bacca superne libera globosa et glabra. 



Dioicum. Ramuli spiciferi 1.5 mm crassi in sicco nigri, collen- 

 chyma in fasciculos discretos dispositum et haud libriforme. 

 Limbi in sicco rigidi fusci et minute pellucido-punctulati, cir- 

 citer 7.8 cm longi et usque ad 3 cm lati. Petioli circiter 12 

 mm pedunculi 6 mm longi. Spica 1.4 cm longa et cum baccis 

 usque ad 5 mm crassa, bracteae pelta fero 0.75 mm diam. 



Leyte, Dagami, Bur. Sri. 15359 Ramos. 



