49,4 Ames and Quisumbing: Philippine Orchids, III 487 
Genus AGROSTOPHYLLUM Blume 
AGROSTOPHYLLUM SACCATILABIUM sp. nov. Plates X, 5, 16, and 17. 
Aff. A. inocephalum (Schauer) Ames. Planta glabra, ad 
basim foliis discessis, nuda, supra foliosa, 32 ad 45 cm alta. 
Caules complanati, vaginis foliorum tecti. Folia disticha, an- 
guste lineari-oblonga; lamina 12 ad 17 cm longa, 2 ad 3 cm lata, 
in sicco subcoriacea, obtusa; vaginae foliorum imbricatae, persis- 
tentes, flavidae et atromarginatae, longivaginantae, usque ad 
5 cm longae. Inflorescentiae terminalis, densissime capitata, 
usque ad 3.5 cm in diametro. Flores albidi, parvi, in racemis 
paucifloris numerosissimis capitulum formantes, bracteis imbri- 
catis subtendentibus, 4 ad 6 mm in diametro. Sepala lateralia 
carinata, cucullata, ovato-oblonga, subacuta, circiter 4 mm longa, 
2 mm lata, 3-nervia. Sepalum dorsale ovatum, subacutum, 3- 
nervium, circiter 3.5 mm longum, 2.25 mm latum. Petala li- 
neari-lanceolata, apice ipso paulo ampliata, circiter 3.5 mm longa, 
0.75 mm lata. Labellum saccatum, in circuitu suborbiculare; 
parte inferiore (hypochilio) semiorbiculari, saccata, circiter 
1.5 mm longa; parte terminali (epichilio) valde saccata, semi¬ 
orbiculari, ad apicem rotundata, circiter 2.5 mm longa; callus 
transversus. Columna crassa, circiter 2 mm longa. Pollinia 8. 
A glabrous epiphyte, rather stout, 32 to 45 cm high; stems 
tufted, flattened, narrowed at the base. Leaves restricted to 
the upper portion of the stems, distichous, jointed with persistent 
clasping rigid bases; lamina 12 to 17 cm long, 2 to 3 cm wide, 
narrowly linear-oblong, obtuse, when dry subcoriaceous; sheaths 
up to 5 cm long. Inflorescences terminal, capitate, pluribrac- 
teate, up to 3.5 cm in diameter. Flowers very numerous, in few- 
flowered racemes, very crowded, marguerite yellow, 4 to 6 mm 
across. Lateral sepals carinate, cucullate, ovate-oblong, sub¬ 
acute, about 4 mm long, 2 mm wide, 3-nerved, the two side nerves 
not reaching the apex. Dorsal sepal ovate, subacute, about 3.5 
mm long, 2.25 mm wide, 3-nerved. Petals linear-lanceolate, 
about 3.5 mm long, 0.75 mm wide. Labellum saccate, suborbi- 
cular in outline, about 3 mm long; hypochile semiorbicular, 
saccate, about 1.5 mm long, separated from the epichile by a 
transverse callus; epichile saccate, semiorbicular, the apex 
broadly rounded, about 2.5 mm long. Column stout, about 2 
mm long. Pollinia 8. 
Luzon, Benguet Subprovince, Baguio, Gardens of the Mansion 
House, Bur. Sci. 82229 Quisumbing, May 6, 1931. The living 
plants were first seen in the gardens of the Mansion House at 
