THE FLORA OF THE MALAY· PENINSULA

IIO cxxxvr. ORCHIDEAJ:. [C eratostylis.
(3) C. erireoides Hook. fil. Ic. Pl. 2074 B; Ridl. Mat. i. lIO.
Eria pygmrea Hook. /il. F.B.I. v. 804.
Dwarf tufted plant; stems'5 in. long. Leaf I, linear-oblanceolate
blunt thick, 1'5 to 2 in. long, '25 in .. wide. Scape as long
filiform, I-flowered. Flower'5 to ·6 in. wide, tomentose. Sepals
ovate-Ianceolate; mentum short. Petals oblanceolate acute. Lip
much shorter, base saccate, limb tongue-shaped with 2 pubescent
keels. Hab. Selangor, Gunong Mengkuang Lebah (Robinson).
Perak, without locality (Wray and Scortechini).
(4) C. cryptantha Ridl. J ourn. Linn. Soc. xxxii. 309 ; Mat. i. IIO.
Dwarf tufted plant; stems '5 in. long. Leaves 2, linear subacute,
5 in. long, '12 in. wide. Scape filiform, '36 in. long, woolly.
Flower I, '25 in. long ; pedicel woolly. Bract minute ovate. Sepals
ovate blunt pubescent, white. Petals ovate mucronate oblique,
crimson, mucro and midrib white. Lip-claw long linear, side-lobes
blunt broad, midlobe reniform, cream colour with fleshy ovate
callus on disc. Column short, foot long slender; arms incurved
obscure. Capsule elliptic, '25 in. long. Hab. On trees at 2000 ft.
altitude. Selangor, Semangkok (Curtis). Perak, Thaiping Hills;
Hermitage Hill (Ridley). Penang Hill (Curtis).
(5) C. linearis Ridl. Journ. Roy. As. Soc. S. Br. 61, p. 40.
Tufted plant, a short rhizome with close tufts of 2 leaves.
Leaves linear, fleshy channelled, 2'5 in. long, '1 in. wide. Flower
'2 in. long on a pedicel '25 in. long, white hairy. Peduncle '25 in.
long. Bract long lanceolate acuminate. Sepals white pubescent
oblong, mentum cylindric blunt as long as ovary. Petals lanceolate
acuminate, white with purple blotch on tip. Lip base broad, sidelobes
short upcurved, midlobe ovate blunt white. Column short,
broad, top edged purple. Capsule elliptic, '25 in. long. Hab.
Rare. On mangrove and other trees. Singapore, Pasir Panjang.
Kelantan, Chaning Woods (Ridley).
(6) C. linearifolia Ridl.
Stems short, thick, I in. long, covered with pale reticulate
sheaths. Leaf I, elongate linear-Ianceolate coriaceous, 6 to 8 in.
long, '25 in. wide, tip unequally bifid, base long narrowed to a
petiole. Flower I, white on a pedicel '5 in. long, hairy. Bract
ovate acuminate, '08 in. long. Sepals narrow lanceolate long
acuminate, .3 in. long, spur scrotiform. Petals as long narrower.
Lip as long narrow, side-lobes round short erect, midlobe much
longer linear acuminate fleshy. Column short thick, arms roundoblong,
large. Hab. Pahang, Fraser Hill (Burkill and Holttum).
Lankawi, Gunong Raya (Haniff).
(7) C. robusta Hook. fil. F.B.I. v. 827; I c. Pl. t. 2103; Ridl.
Mat. i. III.
Stems stout branched, 8 to IO in. tall, sheaths '5 to '75 in. long,
reticulate silvery. Leaves 4 to 5 in. long, '5 in. wide, lanceolate
acuminate. Flower I, woolly, pale yellow, '5 in. long; pedicel