2X8 The Philippine Journal of Science i»i« 



ciculos periphericos continuum. Limbi in sicco membranacei 

 minute et inconspicue pellucido-punctulati, 8.5-9 cm longi 2.5-2.8 

 cm lati. Petioli fere 4 mm pedunculi 10 mm longi. Spica florens 

 1.7 cm longa at 1.5 mm crassa, rhachis sine canali lysigeno, 

 bracteae pelta 0.5 mm diam. 



Luzon, Loher 6794. p. p., h. Monac. ex h. Kew. 



PIPER POLYCLADUM C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 438. 

 LUZON, Benguet Subprovince, Baguio, Phil. PI. 751 Merrill, in thickets, 

 limestone region, altitude 1,500 m, flowers yellow: Rizal Province, Bur. Sci. 

 18396 Ramos, on trees in forests. 



PIPER SARMENTOSUM Roxb. PI. Ind. 1 (1820) 162. 



Negros, Cabancalan, Merrill 6729. Camiguin, Mambajao, Elmer 14245. 

 Forma b C. DC. forma nova. 



Limbo brevius acuminato. 



Mindanao, Davao District, Piper 449. 

 PIPER CORYLISTACHYON C. DC. Prodr. 16 » (1869) 346. 



Luzon, Laguna Province, San Antonio, Bur. Sci. 20527, 12030 Ramos: 

 Rizal Province, Antipolo, Bur. Sci. 11867 Robinson: Tayabas Province, 

 Bur. Sci. 18324 Ramos: Pangasinan Province, Umingan, Bur. Sci. 

 18338 Otanes. Samar, Bur. Sci. 17420 Ramos. Biliran, Bur. Sci. 18785 

 McGregor. Mindanao, Davao District, Bur. Sci. 15859 Fenix. Leyte, 

 Malitbog, Weber 1523. 



Forma b C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 439. 



Luzon, Camarines Province, Philip. PI. 1575 Ramos. Biliran, Bur. Sci. 

 18775 McGregor. Leyte, Elmer 7083. 



Forma d C. DC. 1. c. 



Luzon, Rizal Province, Loher 6801: Cagayan Province, Bur. Sci. 13882 

 Ramos, on trees in damp forests, flowers yellowish-white. 



PIPER REINWARDTIANUM C. DC. Prodr. 16 1 (1869) 354. 

 Panay, Iloilo Province, Bur. Sci. 18134 Robinson. 



S PIPER RETROFRACTUM Vahl Enum. 1 (1804) 314. 



Babuyanes Islands, Dalupiri, Bur. Sci. 10638, 10651 McGregor: Cami- 

 guin, Btir. Sci. 4092 Fenix. Luzon, Rizal Province, Bur. Sci. 11841 Robin- 

 son, fruit dark-red: Laguna Province, Jala- Jala, Bur. Sci. 11935 Robinson 

 & Ramos. Mindoro, Merrill 3842, near the seashore. PALAWAN, Bur. Sci. 

 Weber, Bur. Sci. 190 Bermejos, Ulugan Bay, Merrill 7216, in coconut groves 

 at sea level, Bur. Sci. 851 Foxioorthy, in forests along streams, growing on 

 trees and shrubs. 



PIPER PENNINERVE C. DC. in Perk. Frag. PL Philip. (1905) 157. 



Adde: Stirpis masc. spica canali Iysigneo centrali peripher- 

 isque munita, rhachis glabra, bracteae pelta rotunda centro 

 pedicellata, stamina 2, antherae 4-valvatae tetragonae. 



Leyte, Jaro, Wenzel 719, in forests, altitude 500 m. 



