238 PHILIPPINE PALMS 
are occasionally used as a substitute for that of the Areca palm 
in preparing buyo for chewing. 
Conspectus of the species. 
a’. Very slender plants having simple flabellate leaves or only one or two 
segments on each side of the rachis. 
b*. Leaves mottled (at least those of young plants), deeply bilobed, other- 
WISG.CNDITC sok» oem oe ee tel le ke ee Ren A 1. P. maculata. 
b°. Leaves with a terminal, deeply bilobed flabellum and 1 or 2 acinaciform 
segments on each side of the rachis. Spadix simple. Fruit dis- 
tC HOUS So fn SES ee ote a ee ee ee 2. P. geonomaeformis. 
a. Leaves having few (4 to 9), very unequal, inequidistant segments on 
each side of the rachis. Spadix branched. Small plants with slender 
stems 1 to 3 cm in diameter. 
b*. Fruits biseriate. 
c’. Leaves short with very few (4 or 5), unequal, sigmoid-acinaciform, 
3- to 7-costulate segments on each side of the rachis, ashy- 
puberulous underneath, at least in newly expanded leaves. Spadix 
with 3 or 4 branches only. Fruits exactly distichous, narrowly 
ovoid, with a conical point, 15 to 16 by 6 to 7mm. Seed caudic- 
ulate at the base; vascular branches of the integument rather 
TNUNTCLOUS see cits yan SLAP) es eee eee ee 3. P. modesta. 
c. Leaves having on each side of the rachis 8 or 9, narrow, 2- to 
4-costulate, distant, ensiform-subfalcate, very acuminate segments, 
which are glabrous underneath. Spadix with 5 or 6 branches. 
Fruits exactly distichous, narrow, conical-subfusiform, broadest 
below their middle, 16 to 18 by 6 mm; seed elongate, conical 
in its upper part; vascular branches of the integument very few 
(3, or 4). almost simple: 2) ee ee ee 4. P. isabelensis. 
b°. Fruits 3-seriate. Leaves having on each side of the rachis 7 or 8 
very inequidistant, unequal, 1- to 4-costulate, narrowly falcate- 
sigmoid, long-acuminate segments, which are glabrous underneath. 
Spadix with few (5) triquetrous branches. Fruit small, 11 to 12 
by 5 to 5.5 mm, narrowly ovoid-ellipsoid, acute, equally narrowed 
to both ends. Seed ovoid, with a conical point; vascular branches 
of the integument 8 or 9, slightly anastomosing.. 5. P. heterophylla. 
a*. Leaves with more numerous segments. 
b'. Segments ashy-puberulous underneath; plants of moderate size. 
c’. Fruits 3-seriate. Segments relatively not very numerous, very 
unequal, inequidistant, 3- to 7-costulate, deeply incised into 3 to 7 
bifid laciniae, the latter falcate, acuminate. Spadix with few 
(5 or 6) branches. Fruits relatively large, ovoid-ellipsoid, 2.5 to 
3.3 em long. Fruiting perianth low, cupular, not contracted at 
the mouth. Stem 38 to 5 cm in diameter.................... 6. P. Barnesii. 
c’. Fruits 2-seriate. 
d’. Segments rather numerous, very unequal, 1-pluricostulate, sig- 
moidal; when with more than one midcosta then deeply cleft at 
the apex into faleate-acuminate points. Spadix with the upper 
branches spirally scattered. Fruit obovoid, 18 to 20 by 18 mm. 
Seed spherical, with a horizontal embryo fovea. Fruiting 
perianth very shallowly cupular or almost explanate. 
7. P. Copelandiz. 
