I 
ORCHIDACE^ IIALCOXKNSES. 335 
being fully 5 mm. long. Floral bract tulmlar, ol)liqnely tmneato. Flower 
straw-yellow, relatively krge. Latei-al sepals narrowly lanceolate, acute^ 
.^-nerved, S mm. long, 2 mm. wide below llie middle, margin minutely 
ciliolate. T j)])er sepal similar to the laterals, about equally long. Petals 
linear-oblong, subspatliulate, acute, 1-nerved, 3 mm. long, about 0.75 miu. 
wide. Labellum linear-lanceolate, 3,5 mm. long, a]n)ut 1 nun. wide. 
Colunm 1 mm. long, witb a tootb or protuberance in front near ibe base 
or below tbe middle. 
r 
Epiphyte in doup sluidcd ruviiie at 3,000 ft. alt. on Mount TTnlcon. Nov. 27, 
1!)0(;, Merrill (No. 5790). 
Pseudolmlbs as in B. ccrnnum (Bl.) Liiidl. 
Bulbophyllum (^ Monanthaparva) pleurothalloides Ames sp. nov. 
Rhizome obscure. Ps(aidobulbs 3 mm. long, uiucli depressed, forming 
a chain. Ijeaves about 1 cm. long, 2-4 mm. wide, oblunccolate to spatb- 
ulate, obtuse, minutely apiculate, contracted Ik'Iow into a slender petiole. 
Scapes filiform, elongated, exceeding the leaves, 3 cm. long, with scarious 
sheaths at base, and with a tubular ol)li(piely truncate brad .subtending 
the solitary, minute, brownish-yellow flower. Lateral sepals lanceolate, 
acute, about 4 nun. long, 2.5 mm. wide, 3-nerved. Tipper sepal similar 
and equal to the laterals. Petals lanceolate, 2 mm. long, 0.75 nun. wide. 
Labellum lanceolate-cordate, obtuse, or snbsagittate, 2 mm. long, 1 mm. 
wide at base, about 0.5 mm. wide near the tip. Column 1 mui. long. 
On mossy trunks of trees at 4,.'300 fl. alt. on Blount Ilaleon, Nov. 14, 190G, 
Merrill (No. 0128). 
In liabit allied to li. cemuum (Bl.) Lindl. but witli very dilFerent leaves. 
The general aspect of the plant when in flower reealls some species of Pleuro- 
thallis. 
Bulbophyllum vagans Ames and Rolfe Orchidaceijp, fasc. 2 (1907) incd. 
Epiphyte on mossy tree trunks in ridge forest at 6,500 ft. alt. on Mount lial- 
con, flowers odorless, straw colored, Nov. 21, 1906, Merrill (No. (1217). 
Endemic in the Philippines. 
Bulbophyllum vagans var. angustun Ames var. nov. 
Differs from the i)'\)ii in its linear-]aneeolat(^, aeuuiiiuite, acute, 9-13 
cm. long, 1-1.5 cm. wide leaves. 
Epiphyte in moss}' forest on tree trunks at (inO ft. alt. on Mnunt Hnlcon, 
ilowens greenish yellow, Nov. 21, lltOil, Merrill (No. (i2]S). 
This variety is very remarkable in that it agre<'fl with li. vayatis in all respects 
except foliage. Tlie leaves of /?. vuyaiis are ohlong-ovate, altrnptly rounded at 
base and subohtuse, 4-7 cm. long, .'1 cm. wide. 
Bulbophyllum sp. 
At 2,950 ft. alt. on .Mount Tlalcon, -Tune 15-27, lOOr., 1/. /,. Mrrriff (Xo. 4300). 
A single sjM>cinien insiillicient for des( i i|)tioii. 
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