16,6 Merrill: Philippine Euphorbiaceae, III 575 
a diameter of 4 cm, the branches terete, longitudinally striate 
when dry, pale ; leaves subcoriaceous, pale and shining when dry, 
oblong, about 20 cm long, 8 to 9 cm wide, base rounded to 
obtuse, with a prominent gland on each side at the juncture of 
the lamina with the petiole, the apex obtuse or very shortly 
acute or acuminate; lateral nerves about 8 on each side of the 
midrib, prominent on the lower surface, distant, anastomosing, 
the reticulations lax; petioles stout, about 3.5 cm long; infruc- 
tescences up to 40 cm in length, the branches few, short, spread- 
ing. Fruits globose, about 5 cm in diameter, smooth, glabrous, 
dark-brown when dry, shining, the seeds about 3 cm long and 
wide. 
Bancalan, between Palawan and Balabac, C. M. Weber, Sep- 
tember 2, 1916, in forests, altitude about 3 meters. 
A species 'well characterized by its few-nerved leaves and 
large fruits, by which it is readily distinguished from Omphalea 
philippinensis Merr. and 0. malayana Merr. ; the fourth species 
for the Philippine-Malayan region. It is dedicated to Dr. C. S. 
Sargent, -director of the Arnold Arboretum, under whose aus- 
pices Weber’s collection was made. 
EXCOECARIA Linnaeus 
EXCOECARIA PACHYPHYLLA sp. nov. § Commia. 
Frutex circiter 2 m altus, glaber, ramis ramulisque teretibus; 
foliis oppositis, coriaceis, oblongis ad oblongo-ovatis, integris, 
usque ad 10 cm longis, apice breviter et late obtuse acuminatis, 
basi acutis, nervis utrinque circiter 9, patulis, vix perspicuis; 
racemis S terminalibus, circiter 2 cm longis, bracteolis unifloris, 
floribus distincte pedicellatis, sepalis ovatis, margine glanduloso- 
denticulatis. 
A glabrous shrub about 2 m high, the branches and branchlets 
terete, usually reddish-brown. Leaves opposite, thickly coria- 
ceous, oblong to oblong-obovate, 7 to 10 cm long, 2.5 to 3.5 cm 
wide, smooth, shining, the upper surface pale-olivaceous, the 
lower paler when dry, entire, base acute, apex with a short, 
very broad, blunt acumen; lateral nerves about 9 on each side 
of the midrib, not prominent, spreading, rather obscurely anas- 
tomosing, usually more distinct on the upper than on the lower 
surface; petioles 1 to 1.5 cm long. Staminate racemes terminal, 
simple, solitary, about 2 cm long, the bracteoles ovate, rounded, 
about 1 mm long, the margins obscurely glandular-denticulate, 
1-flowered, the glands prominent, about 1 mm in diameter. 
Pedicels stout, about 1 mm long. Sepals suborbicular, about 0.8 
