THE FLORA OF THE MALAY· PENINSULA

Sarcochilus. ] CXXXVI. ORCHIDEJE. 179
Flowers 3 or 4, ·5 in. wide. Sepals lanceolate acute. Petals subspathulate,
narrower, all white. Lip side-lobes quadrate or linear
crimson, midlobe very small retuse white with 2 yellow spots at
base, spur short broad, clubbed. Column pale green. Anther
ovate beaked yellow. Pollinia elliptic, caudicle broad triangularspathulate,
disc triangular small. Capsule linear, 4 in. long. Hab.
On trees and lianes, dense forest Bab. Singapore, Bukit Timah;
Chan Chu Kang. Pahang, Pekan. Selangor, Batu Caves. Negri
Sembilan, Labu Reservoir. Seremban (Williams). Perak.
(4) S. cladostachys Hook. fil. F.B.I. vi. 35.
Stem stout. Leaves lorate bifid crowded, 6 to 12 in. long, 1'5 to
2 in. wide. Peduncles 1 to 2 in. long, rachis thickened. Flowers
1'5 in. wide, cream-colour. Sepals and petals lanceolate acuminate.
Lip shorter, side-lobes oblong blunt pale purple, midlobe bifid,
lobes quadrate, spur globose spotted purple. Foot of column
spotted purple, rather long. Hab. Perak (Kunstler, Scortechini,
drawings only).
(5) S. stenoglottis Hook. fil. F.B.I. Yi. 34; Rldl. Mat. i. 175;
Hook. Ann. Bot. Card. Calc. v. 41, pI. 62. S. sigmoideus Rldl.
Journ. Linn. Soc. xxxi. 298.
Stem stout, 3 in. long. Leaves oblong lorate broadly blunt,
8 in. long, 1'5 in. wide. Raceme 3 in. long, thickened upwards.
Flowers '5 in. wide, white. Sepals oblong obtuse, laterals broader.
Petals lanceolate blunt, all white, base yellow with transverse
crimson streaks. Lip shorter sigmoid, flattened laterally, side-lobes
low with 2 short points, mid lobe ovate, spur long curved upwards,
white. Column foot short. Pollinia reniform, caudicle oblanceolate,
disc shield-shaped. Hab. Perak (Scortechini). Dis/rib.
Borneo, Sumatra.
(6) S. virescens Ridl. Joum. Roy. As. Soc. S. Br. 37, p. 85;
Mat. i. 176.
Stem very short. Leaves lanceolate sub-acute, 1'5 in. wide or
less. Raceme 1 in. long. Flowers I in. wide. Sepals ovate acute.
Petals narrow lanceolate. All light green. Lip very short white,
side-lobes short rounded, midlobe represented by an orange
callus, spur short broad conic. Column foot as long as column.
Anther orange, beak triangular. Hab. Rare. Perak, Tapah
(Aeria), a drawing only seen; Tanjong Malim (Williams).
(7) S. tanyphyllus Ridl. Trans. Linn. Soc. iii. 372. _
Stem hardly 1 in. long, stout. Leaves 4 or 5 lorate, 1 to 2 ft.
long, 1'5 in. wide, unequally blunt bilobed. Racemes 4 to 5 in.
long, hardly dilate. Bracts lanceolate. Flowers white large on
pedicels 1 in. long. Sepals lanceolate acuminate. Petals broader
lanceolate. Lip shorter, clawed, side-lobes lorate falcate large,
midlobe shoe-shaped blu!!t, a large keel at base. Rostellum long
bifid acuminate. Capsule oblong, 1'5 in. long. Hab. Rare on
limestone rocks. Pahang, Kota Glanggi (Ridley).