420 
DE CANDOLLE. 
5. Bract orbicular, ciliate on the margins; limb ovate-oblong, acute at the 
base, up to 11 cm long and 4 cm wide 92. P. camnum 
4. Berry fusiform; limb narrowly elliptic-lanceolate, 10.5 cm long, 3 cm wide. 
93. P. acutibaccum 
3. Limb pubescent on both surfaces. 
4. Bract orbicular and glabrous. 
5. Limb ovate-acuminate, equilateral and rounded at the base, 8.5 cm long, 
5 din wide 92. P. caninum var. latibracteum 
5. Limb ovate-acuminate, cordate and slightly inequilateral at the base, 
10.5 cm long, 4.7 cm wide 94. P. Merrittii 
4. Bract obovate, glabrous ; limb ovate, equilateral and cordate at the base, 
12 cm long, 6 cm wide 95. P. tenuipedunculatum 
2. Limb penninerved. 
3. Limb glabrous on the upper surface, pubescent beneath, oblong-ovate, acute 
and nearly equilateral at the base, up to 12 cm long and 5.2 cm wide. 
96. P. malalaganum 
3. Limb pubescent on both surfaces, ovate-elliptic, rounded on one side, acute 
on the other side of the inequilateral base, up to 14 cm long and 4.5 cm 
wide — 97. P. villilimbum 
2. Piper costulatum C. DC. in Elm. Lead. Philip. Bot. 3 (1910) 760. 
Foliis breviter petiolatis ovato-lanceolatis basi aequilatera cordatis vel 
repandis apice acute et sat longe acuminatis utrinque glabris, 7-9-nerviis, 
nervis lateralibus extremis 2 vel ’ 3 quam alii tenuioribus et magis 
divaricantibus ; petiolo glabro basi ima vaginante ; stirpis mase. pedunculo 
glabro quam petiolus multo breviore, spica subtlorente quam folii limbus 
quadruplo breviore, rhachi hirtella, bracteae glabrae pelta orbiculari 
paullo infra centrum pedicellata, staminibus 2 antheris ovatis parvis; 
stirpis fern, pedunculo ut in mare, spica quam folii limbus fere triplo 
breviore, cylindrica apice obtusa, rhachi hirtella, bracteae glabrae pelta 
orbiculari centro subsessili, bacea libera globosa, stigmatibus 3 oblongis 
et acutis. 
Dioicum, in arboribus scandens. Famuli glabri primum costulati 
dein teretes, spiciferi 1 mm crassi, collenchyma in fasciculos discretos 
in costulis dispositum et haud libriforme, fasciculi intramedullares 
1-seriati, canales lysigenes nulli; cellulae selerosae interfasciculares cum 
phloemate fasciculorum periphericorum continuae. Limbi in sicco tenu- 
iter membranacei pellucidi et minute pellucido-punctulati, in mare usque 
ad 6 cm longi et 1.5 cm lati, in femina paullo breviores. Petioli circiter 
7 mm, pedunculi 3 mm longi. Stirpis mase. spicae florentes 1.25 mm, 
stirpis fern. 7 mm crassae, baccae dense confertae 2 mm crassae. Stig- 
mata in apice baccae sessilia. 
Luzon, Province of Bataan, Mount Mariveles, Merrill 8768, mase., 3248 fem., 
common on ridges in the mossy forest, on small trees, altitude 700 m, Whitford 
129, mase., altitude about 1,000 m, For. Bur. 2411 Meyer, mase., altitude about 
1,100 m, Williams 415, mase., 7 43, fem., For. Bur. 6221, 6222 mase., 6271 fem., 
Curran, altitude 800 m. For. Bur. 209 Barnes, mase., For. Bur. 2394, mase., 2097, 
fem. Borden, altitude about 1,000 m, Copeland 258, mase., altitude about 1,000 m, 
Elmer 6805, fem., Bur. Sci. 1597 Foxworthy, fem. 
