330 
AMES, 
than the laterals. Petals lanceolate, acute or subacute, about 6 mm. long, 
2 mm. wide, 3-nerved. Labellum ovate-lanceolate, subobtuse, cordate at 
base, 4 mm. long, 1.75 mm. wide near the base. 
At 5,250 ft. alt. on Mount Halcon, June 15-27, 1906, M. L. Merritt (No. 4420). 
The type consists of a single specimen and is unfortunately not in good condi- 
tion. The flowers are not very numerous, and the only raceme seen may not be 
wholly characteristic. 
Eria cymbiformis J. J. Smith Rec. Trav. Bot. Neerland. 1 : 152 with fig. 
(1904). 
Epiphyte in ravine forest at 4,000 ft. alt. on Mount Halcon, flowers white, 
with faint odor, Nov. 26, 1906, Merrill (No. 4847). 
Sumatra. 
Eria (§ Trichotosia) halconensis Ames sp. nov. 
Plant comparatively slender, about 5 dm. tall. Stems about 7 mm. 
in diameter near the 'base, tapering gradually upwards. Leaves linear- 
lanceolate, acuminate, acute, pubescent, about 1 dm. long, 7-11 mm. 
wide. Racemes leaf-opposed, shorter than the leaves, about 5 cm. long, 
somewhat flexuose, densely covered with reddish yellow hairs. Bracts 
broadly ovate or suborbicular, 4—6 mm. long, hairy, abruptly acuminate. 
Lateral sepals triangular, externally hairy, subacute, 7 mm. long about 
4 mm. wide at base. Upper sepal oblong, externally hairy. Petals 
linear, subspathulate, tapering to a subacute or subobtuse apex, G mm. 
long, 1.5 mm. wide. Labellum 7 mm. long, linear-cuneate at the base, 
dilated above, then constricted within 2 mm. of the tip, 3-lobed ; lateral 
lobes minute, obtuse, formed by the constriction ; middle lobe subquadrate, 
apiculate, 3-4 mm. wide; disc with a prominent micl-nerve. Mentum 
about 3 mm. long. 
Epiphyte on exposed ridge at 4,500 ft. alt. on Mount Halcon, flower pink- 
purple, Nov. 19, 1906, Merrill (No. 5742). — Terrestrial on banks in mossy forest, 
at 6,000 ft. alt. on Mount Halcon, flowers pink-purple, Nov. 15, 1906, Merrill 
(No. 5510) type. 
This is a rather graceful species, the slender steins sometimes attaining 9 dm. 
in length and less than 1 cm. in thickness at base. 
Eria (§ Hymeneria) H utch i nsoniana Ames sp. nov. 
Allied to E. tenuifollia Ridl. Rhizomes woody, about 5 mm. in 
diameter. Pseudobulbs 5 cm.-l dm. apart, abbreviated, 1.5-3 cm. long, 
clothed with scarious sheaths, leafy at the summit. Leaves linear- 
lanceolate, about 1 dm. long, about 8 mm. wide, acute, tapering gradually 
toward both ends. Inflorescence few-flowered, about 6 cm. long, near 
the summit of the pseudobulbs. Flowers white and purple. Peduncle, 
pedicels, and ovaries covered with rufous or dark yellowish hairs. 
Bracts lanceolate, acute, about 4 mm. long, about 1.5 mm. wide. 
Lateral sepals triangular-lanceolate, acute, slightly protuberant anteriorly 
