NEW O]^ XOTEWOinHY ORCHIDS 
Rhizome elongated, somewhat Ilexuosc, hardly 1 mm. 
thick in dried specimens, smooth. Roots fdirous, produced 
from the rhizome beneath the distant pseudobulbs, smooth. 
Pseudobulbs about 5 mm. tall, 5 mm. thick at the base in 
dried specimens, tapering gradually toward the summit, 
1-1.2 cm. apart, plurisulcate when dry, monophyllous. 
Leaves shortly petiolate, 1.5-1.9 cm. long, 5-8 mm. wide, 
elliptical, acute, shorter than the slender scapes, mid-nerve 
somewhat prominent. Scapes filiform, erect, up to 3 cm. 
long, produced from beneath the pseudobulbs and from the 
rhizome midway between the pseudobulbs, paucibracteate, 
with an infundibuliform sheath subtending the solitary 
flower. Lateral sepals 7 mm. long, 1.75 mm. wide near the 
middle, narrowly triangular-lanceolate, acute, 3-nerved, 
membranaceous. Dorsal sepal 6 mm. long, about 2 mm. 
wide, similar to the laterals. Petals about 3 mm. long, 1 mm. 
wide below the middle, lanceolate, acute, 1-nerved. La- 
bellum nearly 2 mm. long, 1 mm. wide above the middle, 
narrowly obovate in outline, conspicuously constricted .75 
mm. from the blunt apex, contracted at base into a wide 
claw, concave-sulcatc below the middle with a gnomon-like 
keel near the base which becomes dorso-vcntrally flattened 
in front and as a thickened lamella extends to the apex of 
the labellnm. Column short with an elongated stelidium 
on each side in front at the summit. 
The vegetative parts resemble Bulbophyllum alagense 
Ames, but the slender scapes are much longer than in that 
species, and the structure of the flower is very different. 
B. peramoenum Ames and B. Toppingii Ames are allied 
species which differ from B. pampangense in the narrower 
leaves, shorter sepals and dissimilar petals. 
Phii.ippines, Luzon, Pampanga Province, Mount Pin- 
gatubo, E. D. Merrill 11214, December 1918. (Type in 
Herb. Bur. Sci. Dupi.ic.xte type in Herb. Ames No. 26301.) 
Bulbophyllum subaequale Ames sp. nov. Radices 
copiosae, fibratae. Pseudobulbi plus minusve caespitosi, 
subobsoleti, breviter cylindracei, monophylli. Folium valde 
coriaceum, longipetiolatum, anguste oblongo-ellipticum, ob- 
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