OcroBxn 31, 1910] PHILIPPINE PIPERACEAE 769 
adulto petiolum paullo superante; spica florente quam folii 
limbus pluries breviore cylindrica apice rotundata, rhachi 
pilosa, bracteae pelta glabra rotunda pedicello longe piloso; 
ovario libero oblongo-ovato superne attenuato, stigmatibus 3 
brevibus acutis. 
Dioicum, suffrutex scandens. Ramuli juniores hirsuti, 
dein glabri, spiciferi 2 mm. crassi, collenchyma continuum 
et haud libriforme, fasciculi intramedullares 1-seriati, canales 
lysigenes peripherici nulli. Limbi in vivo subtus albido-vires- 
centes, in sicco membranacei et creberrime pellucido-punctulati, 
usque ad 14.5 cm. longi et 7 cm, lati. Petioli usque ad limbi 
latus longius 5 mm., inter limbi latera 4 mm. longi. Pedun- 
culi usque ad 20 mm. longi. Spica florens 25 mm. longa, 
5 mm. crassa. Bracteae pelta 1 mm. diametro. 
Luzon, Province of Benguet, Baguio, A. D. E. Elmer, 
n. 8866. 
A climbing suffrutescent plant, with green stems; leaves 
very flexible, somewhat succulent, whitish green beneath; inflo- 
rescence erect, quite rigid, the spikes erect, straight and nearly 
perfectly cylindrical, pale white but soon turning dark green. 
Not common in damp gulches near Sablan. ''Dawu-sha-atab" 
is the Igorot vernacular name. (Elmer ms.) 
Piper pseudo-chavica C. DC. Prod. Xvi; 351. 
Luzon, Province of Tayabas, Lucban, Elmer, n. 8142 fem. 
Piper pseudo-chavica [Cj C. DC. forma nov. 
Ramulis et limbis glabris, petiolis subtus parce pilosis 
vel glabris, limbis 20 cm. longis et 7.5 cm. latis; zona 
cellularum sclerosarum haud continua. 
Mindanao, District of Davao, Todaya (Mt. Apo), A. D. 
E. Elmer, n. 11417. 
Climbing upon a tree fern, in moist woods at 5750 feet 
on mount Apo; stem 0.75 inch thick, round, crooked and 
nodulose; bark yellowish and covered with coarse lenticels; 
branches mostly at the top and forming a dense bush, slender, 
smooth, green, much thickened at the joints, the ultimate 
ones somewhat drooping; leaves horizontal or descending, 
