OcroBER 31, 1910] PHILIPPINE PIPERACEAE 775 
Dioicum, scandens. Ramuli spiciferi 2 mm. crassi, col- 
lenchyma in fasciculos discretos dispositum, et haud libriforme, 
fasciculi intramedullares 1-seriati, canalis lysigenis unicus cen- 
tralis, cellulae sclerosae interfasciculares cum fascieulorum per- 
iphericorum phloemate continuae. Limbiin vivo coriacei, in sicco 
firmo-membranacei, minute pellucido-punctulati, usque ad 14 
em. longi et 6.5 cm. lati. Petioli superi 22 mm. longi. Spica 
subflorens sub 3 cm. longa et fere 4 mm. crassa. Bracteae 
pelta fere 0.75 mm. diametro. 
Luzon, Province of Tayabas, Lucban, A. D. E. Elmer, 
n. 8094. 
Climbling and forming bushes on trees and shrubs in a 
ravine along a rivulet at 2000 feet; younger branches subpend- 
ulous, green, very nodulose; leaves coriaceous, very lucid 
green on the upper surface, recurved, only slightly condu- 
plicate on the upper side, dull green below; inflorescence 
erect, leaf opposed, rich yellowish green, upon green pedicels 
(Elmer ms.) 
Piper abbreviatum Opiz in Presl’s Reliq. Haenk. 157. 
Mindanao, District of Davao, Todaya (Mt. Apo), Elmer, 
ns. 11049 fem. and 11077 masc. 
Scandent along small tree trunks, in dry woods of fertile 
soil at 1500 feet; stem less than 0.5 inch thick, subterete, 
smooth, brownish when old, very numerously branched, form- 
ing dense bushy masses; branches divaricate, freely rebranched, 
1 to 2 feet long, green, numerously nodulose, ascending 
toward the tips; leaves slightly ascendingly curved, dark 
lucid green above, much paler and duller beneath, thinly 
coriaceous; spikes terete, strictly erect, 2 to 3 inches long, 
greenish yellow and when old grayish brown. The Bagobos 
call it “‘Mani-ca-topay’’. (Elmer ms. for n. 11077). 
- 
Piper rhombophyllum C. DC. Prod. XVI’; 352. 
Luzon, Province of Tayabas, Lucban, Elmer, n. 8233. 
Piper baguionum C. DC. sp. nov. 
Foliis modice vel longiuscule petiolatis, ovatis inferne 
