214 
CXXXVI. ORCHIDE^E. 
[Ancectochihis. 
wide, deep purple netted gold with a broad pale bar down centre; 
petioles -25 in. long. Flowers about 8. Sepals reddish or dark 
brownish red pubescent. Petals adnate to the upper sepal thin 
white. Lip white horizontal, claw short, a pair of oblong calli 
at base; filaments 6 to 8 on each side, limb of 2 short truncate lobes, 
spur curved rather long, tip bifid. Column with broad triangular 
wings and forked process from the centre. Anther ovate pubescent. 
Hab. In woods, rarely flowering. Selangor, Bukit Hitam (Kelsall). 
Perak, Thaiping (Derry). Distrib. Burma. 
(4) A. pectinatus Ridl. Mat. i. 214. Odontochilus pectinatus 
Hook. fit. F.B.I. vi. 99; Ic. PI. 2165. 
Stem 1 ft. long, internodes 1 in. long. Leaves crowded above, 
ovate oblique, 3 in. long, 1 in. wide, green; petioles -5 in. long. 
Spike 2 in, long, base nude; flowers about 10, *5 in. long. Upper 
sepal and petals adnate ovate pubescent, laterals ovate, green. 
Lip much longer, white, base saccate, two curved clubbed processes 
inside, side-lobes short round, claw with many filaments, lobes 
of limb falcate, blunt. Hab. Perak, Thaiping Hills, at 3000 to 
4000 ft. altitude (all collectors). 
(5) A. brevistylis Ridl. Mat. i. 214. Odontochilus brevistylis 
Hook. fil. F.B.I. vi. 100; Ic. PI. 2166. 
Stem about 6 in. long. Leaves ovate acuminate oblique, 1*5 in. 
long; petioles *25 to -5 in. long. Peduncle 1 in. long, pubescent, 
with 3 or 4 flowers at top. Flowers -5 in. long, white. Upper sepal 
ovate, laterals obliquely ovate, with tuft of hairs at tip. Petals 
free semi-ovate acuminate. Lip base saccate (not spurred), claw 
with 3 or 4 falcate teeth, limb bifid, lobes semi-ovate round. Anther 
ovate. Hab. Rare. Pahang, Fraser Hill at 4000 to 4370 ft. alti¬ 
tude (Burkill and Holttum). Perak, Gunong Batu Putih (Wray). 
(6) A. calcaratus Ridl. Mat. i. 214. Odontochilus calcaratus 
Hook, fil . F.B.I. vi. 99. 
A slender erect plant, 2 to 5 in. tall. Leaves ovate sessile or 
short-petioled, -25 to -3 in. long, brown, or green dashed with 
crimson and veined gold (Wray) or purple (Scortechini). Flowers 
2 or 3, white, -5 in. across. Sepals lanceolate, base connate in a 
mentum. Petals linear-lanceolate free. Lip spurred, side-lobes 
curved, claw crenulate, limb of 2 quadrate truncate lobes. Column 
with a bifid elongate process descending into the spur. Pollinia 
with 2 caudicles. Hab. Rare on rocks in forest at about 3000 ft. 
altitude. Perak (no locality) (Scortechini, Wray); Hermitage Hill 
(Ridley). 
(7) A. macranthus Ridl. Mat. i. 215. Odontochilus macranthus 
Hook. fil. F.B.I. vi. 98; Ic. PI. 2161. 
Stem nodose ascending, 4 in. long. Leaves lanceolate, 1 in. 
long, -5 in. wide or smaller. Flowers 1 or 2 terminal large, white 
sessile. Bracts lanceolate blunt adnate to the semi-ovate petals, 
laterals gibbous at base. Lip spathulate, sides involute, base 
