500 The Philippine Journal of Science 
spicuously and densely distichous, equitant, imbricating, sessile, 
lanceolate, obtuse, decreasing but little in size toward the apex, 
the largest up to 2 cm long, 6 mm wide, rigid, leathery, thick, 
flattened, rugose when dry; internodes very short. Flowers 
small, white, single in the axils of the leaves, about 8 mm across. 
Pedicellate ovary very slender, about 1.5 mm long, entirely 
covered by imbricated, triangular, acute bracts which are 3.5 
to 4 mm long. Lateral sepals obliquely elliptic, slightly falcate, 
obtuse, about 5 mm long, 2.5 mm wide. Dorsal sepal narrowly 
oblong, obtuse, about 5 mm long, 1.75 mm wide, 3-nerved. 
Petals oblong-lanceolate, obtuse, about 4 mm long, 1.5 mm wide. 
Labellum simple, obovate, fleshy, about 4 mm long, obscurely 
trilobed, apex expanded, 2 mm wide, subacute, the very apex 
thickened beneath. Spur short, flattened, emarginate, about 2.5 
mm long. Column very minute, about 1 mm long. 
Luzon, Manila, Bureau of Science orchid house, Bur. Sci. 
82230 Quisumbing, January 24, 1931. The living plants were 
originally gathered by Mr. Maximo Ramos, botanical collector 
of the Bureau of Science, at Quezon National Park, Tayabas 
Province, growing on tree trunks. Leyte, Dagami, C. A. Wen¬ 
zel, 0159, 029, October 25, 1912 (type). 
This species is closely related to Microsaccus brevifolius J. J- 
Sm., differing in habit and in the form of the sepals and petals. 
