324 
AMES. 
wide at the tip, 2 mm. long, margin irregular or dentate. Column stout, 
5 mm. long. 
Terrestrial on steep, wooded, damp slopes at about 6,400 ft. alt. on Mount 
Halcon, Nov. 16, 1906, Merrill (No. 5513). 
Phaius mindorensis Ames sp. nov. 
Plants about 3 dm. high, branching. Stems slender. Leaves 3-4, 
lanceolate, acute, 10-18 cm. long, 2.5-4 cm. wide. Bracts tubular, 
scarious. Peduncle slender, pubescent, with several tubular, inflated, 
obtuse bracts. Raceme loosely flowered. Flowers about 10 in number, 
yellowish (buds white) . Floral bracts caducous. Ovary densely pubes- 
cent. Lateral sepals lanceolate, acute, 7 mm. long, 2.5 mm. wide. 
Upper sepal ovate-lanceolate, acute, 7-8 mm. long, about 3 mm. wide. 
Petals ovate acuminate, acute, 7 mm. long, 2.5 mm. wide near the 
middle. Labellum 6 mm. long, 3-lobed; lateral lobes about 1 mm. long, 
1 mm. wide, oblong-truncate, margin with several irregular, short, blunt 
teeth; middle lobe flabelliform, retuse, apiculate, 1.75 mm. long, 3-5 mm. 
wide; disc pubescent, bicarinate, the carinse extending to the^base of the 
middle lobe ; when spread out the labellum is 7 mm. wide between the 
tips of the lateral lobes. Column relatively stout, about 3 mm. long. 
Epiphyte in mossy forest at 4,300 ft. alt. on Mount Halcon, Nov. 13, 1906, 
Merrill (No. 5612). 
P. mindorensis is closely allied to P. halconensis but differs from it in its 
smaller flowers, different labellum and broader leaves. 
Phaius sp. 
This appears to be a new species but the material is in bad condition and rather 
scanty. 
Terrestrial in humid forest at 700 ft. alt. along the Binabay River, flowers 
odorless, sepals green outside, brown-purple inside, labellum yellowish, Nov. 3, 
1906, Merrill (No. 5800). 
CALANTHE R. Br. 
Calanthe angustifolia (Bl.) Lindl. Orch. PI. 251 (1833 ). — Ambyglottis 
angustifolia Bl. Bijdr. 369 (1825 ). — Calanthe phajoides Reichb. f. Bonpl. 5: 
37 (1857). 
Terrestrial at 6,500 ft. alt. on Mount Halcon, flowers white, odorless, Nov. 15, 
1906, Merrill (No. 5677). — At 7,250 ft. alt. on Mount Halcon, June 15-27, 1906, 
M. L. Merritt (No. 4454). 
Java, Sumatra, and Malay Peninsula. 
Calanthe halconensis Ames sp. nov. 
In habit similar to G. pulchra Lindl. Flowers pale straw yellow, or 
nearly white, labellum riddish-yellow, spur straight. Leaves oblong-lan- 
ceolate, acuminate, acute, about 4 dm. long, about 7 cm. wide, petiole about 
2 dm. long. Scape with several ample bracteate sheaths, about 5 cm. 
long. Inflorescence rather densely many-flowered, nearly 2 dm. long, 
