XIV, 4 Merrill: Noteworthy Philippine Plants, XV 885 
oblong-oblanceolate, subcoriaceous, rather pale and shining when 
dry, 16 to 20 cm long, 3.5 to 7 cm wide, base acute, apex distinctly 
acuminate, the acumen 1 cm long or less, blunt; lateral nerves 
12 to 14 on each side of the midrib, distinct, curved, anastomos- 
ing, the reticulations slender; petioles reddish-brown, about 8 
mm long. Hooks rather stout, strongly recurved, about 2 cm to 
the bend, glabrous. Flowers yellow, solitary, about 5 cm in dia- 
meter, their pedicels densely pubescent, 2 to 2.5 cm long. Sepals 
coriaceous, narrowly ovate, obtuse, densely pubescent, about 11 
mm long and 8 mm wide. Petals spreading above the united 
portions, the flowers about 5 cm in diameter, coriaceous, rather 
densely pubescent on both surfaces, the outer ones ovate to 
elliptic-ovate, obtuse, about 3 cm long and 2 cm wide, the inner 
ones obovate, about 2.5 em long and 1.5 cm wide, obtuse or 
obtusely acuminate, the inflated base formed by the united lower 
parts of the petals about 8 mm in diameter. Stamens indefinite, 
2 mm long. Carpels about 14, oblong, about 2 mm long, 
pubescent. 
Luzon, Cagayan Province, Pefiablanca, Adduru 136, May 28, 
1917, Bur. Sci. 22719 Castillo, April 24, 1915, on forested slopes 
at low altitudes. 
A species well characterized among the Philippine forms by 
its unusually large flowers and broad petals. 
GONIOTHALAMUS Hooker f. and Thomson 
GONIOTHALAMUS LANGIFOLIUS sp. nov. 
Arbor circiter 7 m alta, novellis et floribus exceptis glabra; 
foliis lanceolatis, chartaceis, usque ad 33 cm longis et 5 em latis, 
nitidissimis, acuminatis, basi acutis, nervis utrinque 25 ad 30, 
distinctis; floribus axillaribus et caulinis, solitariis, tenuiter 
pedunculatis, petalis exterioribus ovato-lanceolatis ad oblongo- 
lanceolatis, 7 ad 8 cm longis, acuminatis, extus ad basi dense 
fulvo-pubescentibus, interioribus circiter 1.2 em longis, den- 
sissime pallide pubescentibus. 
A tree, about 7 m high, entirely glabrous except the growing 
tips of the branchlets and parts of the flowers. Branches terete, 
pale brownish, glabrous. Leaves chartaceous, lanceolate, 19 to 
33 cm long, 3 to 4 cm wide, the upper surface greenish olivaceous, 
very strongly shining, the lower somewhat brownish, the apex 
slenderly acuminate, base acute; primary lateral nerves 25 to 30 
on each side of the midrib, slender, distinct, anastomosing, the 
reticulations lax; petioles about 8 mm long. Flowers 7 to 8 cm 
long, greenish-yellow, dark-brown when dry, odorless, solitary, 
axillary and from tubercles on the trunk, their pedicels 2.5 to 3 
