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ORCIIIDACKiE IIALCOXENSES. 
313 
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CRYPTOSTYLIS R. Br. 
Cryptostylis arachnites (Bl.) Hasskarl Cat. Bog. 48 (1844); Feichb. f. 
Bonpl. 5: 30 {1%^-;) .—Zosicro^iylis aracJniilrs Bl. Bijdr. 41i), fig. 82, (1825). 
Tenx'stiial in forest at 3,000 ft. alt. on Mount Ilaleou, petioles aiul leaves 
moltlea, Nov. 10, 1906, Merrill { No.s. 5478, 5488). 
Ceylon, S. India, Malay Peninsula, Java, Borneo. 
GALEOLA Lour. 
Galeola Hydra Beiohb. f. Xen. Orch. 2: 77 (18fJ2),— f/f/^coia KuhlH Reiclil>. 
f. Xen. Oreli. 2: 7S.—Eryihr orchis Kithlii Reiolib. f. loc, cit. i. 119. 
Near tlie Baco Biver, saprophyte on dead tree trunk, Apr. 11, l!iO;j, Merrill 
(No. 1811).— Baco River, Apr.-May, li)U5, R. C. MeUregor (No. 225). 
"Whole plant yellowish, leafless. This species ^rew on n dead stump near the 
edge of an old clearing, in a very huniiil forest apparently rooting in llie ground 
at the, base of the stump. The Baco Valley is a very broad, mostly heavily tim- 
bered plain not much above the sea level (jH-rhaps 10 m.), or 8 miles inland. 
It is a very humid locality owing to the proximity of ]\Iount Ilaleon to the north 
and west." — Field-notes hy the collector. 
India, Tenassevim, Penang, Perak, Siiirrapore, ATalacea, Java and Sumatra. 
APHYLLORCHIS Bl. 
Aphyllorchls pallida Bl. Bijdr. fiy. 77 (1S2()), :\rus. Bot. Lugd.-Bat. 1: 30. 
Terrestrial in humid forest on ridges at 1,000 jt. alt. along the Binubay River, 
Nov. 2, lUOG, Merrill (No. 5810) .—Terrestrial in ridge forest, at 2,800 ft. alt. 
on Mount Halcon, Nov. 10, 1906, Merrill (No. 5811). 
Java. 
VRYDAGZYNEA Bl. 
Vrydagzynea albida Jil. Fl. Jav. Orch. 62, t. 19, f. 2. ( 1858).— A'/acHa nlhida 
Bl. Bijdr. 410 (1825). 
Terrestrial in forest at 850 ft. alt. along the Biiiabay River, flowers white, Nov. 
4, 1006, Merrill (No. 6125). 
The material on which the above determination is based differs in several minor 
details from the specimens preserved at l.eiden, which constitute Blume's type, 
but is not sufTicicutly different for separate treatment at this time. 
Java, Sumatra. 
CYSTORCHIS Bl. 
Cystorchis aphylla Ridl. Journ. T.inn. Soo. 32: 400 (1896). 
Terrestrial on forested ridge at about 1,000 ft. alt. on Mount TTalcon, plant 
white, bracts pinkish, Nov. 8, 1900, Merrill (No. 5062). — Sapropyte, ridges in 
forest, about 1,000 ft. alt. along tlie Hinabay River, whole plant salmon pink, 
base and tips of floral segments paler, Nov. 2, 1006, Merrill (No. 5797). 
Malay Peninsula and Java. 
HERPYSMA Undl. 
Herpysma Merillii Ames sp. nov. 
J 
Plants 1-3 dm. high. Ehizomo creeping. T^eaves about 5^ ovate- 
lanceolate, shortly acuminate, acute, rounded at the base, 5-7 cm. long, 
about 3 cm. wide, passing into slender petioles. Base of the petioles 
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