THE FLORA OF THE MALAY· PENINSULA

A ppendieula.] CXXXVI. ORCHIDEiE. 197
lum long, bifid. Hab. Singapore, Bukit Timah road; Kranji;
Chan Chu Kang. Selangor, Sepang (Ridley). Distrib. Rhio,
Borneo.
(6) A. muricata Teysm. and Binll. Tljdsehr. Ned. Ind. xxiv.
322. A. echinocarpa Hook. fil. F.B.I. vi. 83; Ie. Pl. t. 2152.
Stems tufted, 6 in. tall. Leaves oblong blunt, '25 in. long,
'15 to 2'5 in. wide; sheaths very short. Flowers few terminal
white. Ovary hairy. Sepals lanceolate acute hairy; mentum
hardly any. Petals lanceolate narrower. Lip violet oblong dilate,
limb round with a short conic tooth. Column stout, arms long broad
acuminate; stigma crimson. Pollinia 4 lanceolate, pedicel spoonshaped.
Capsule '25 in. long, hairy. Hab. Mountains, Selangor,
Bukit Hitam (Kelsall); Sempang Mines, Semangkok. Perak,
Gunong Batu Putih (Wray); Bujong Malacca. Kedah Peak.
Distnb. Java.
(7) A. reflexa Bl. Bijdr. 30r. A. cordata Hook. fil. F.B.I.
vi. 83; Ie. Pl. t. 2148.
Stems over I ft. tall. Leaves thin coriaceous oblong-elliptic,
II in. long, '5 in. wide, equally bilobed; sheaths nearly '5 in. long.
Racemes axillary, '5 in. long, bracts at base lanceolate acuminate.
Flowers crowded very small. Upper sepal lanceolate-ovate blunt,
laterals larger ovate; mentum as long round. Petals linear smaller.
All light green. Lip white, sides adnate to column, base with a
horseshoe-shaped ridge, limb ovate acute recurved. Pollinia 6.
Capsule sessile oblong, '25 in. long. Hab. Not common. Johor,
Batu Pahat. Pahang, Tahan River (Ridley), Perak (Scortechini).
(8) A. rupestris Rldl. Journ. Linn. Soc. xxxii. 391. Podochilus
rupestris Mat. i. 194.
Stems tufted on a short stout rhizome, unbranched, 8 in. tall.
Leaves linear-Ianceolate, 1 in. long, '12 in. wide, minutely mucronate.
Racemes sub-terminal, 1 in. long or less. Bracts sub-acute deflexed.
Flowers very small, whitc. Upper sepal ovate-Ianceolate, laterals
larger, mentum short, blunt. Petals smaller lanceolate. Lip
oblong-elliptic blunt. Column short, no arms. Anther cordate
blunt. Hab. In clefts of rock in mountain streams. Pahang,
Tahan River (Ridley). Perak, Bujong Malacca (Curtis).
(9) A. densifolia Ridl. Podochilus densifolius Rldl. J ourn.
Roy. As. Soc. S. Br. 39, p. 86.
Stems over 1 ft. long. Leaves close-set distichous oblong blunt,
base broad, 1 in. long, '5 in. wide; sheaths '25 in. long. Raceme
terminal, 1 in. long, dense-flowered. Bracts ovate, reflexed.
Flowers '13 in. long, white. Sepals ovate blunt, mentum long.
Petals ovate. Lip ovatc acute, a fleshy callus in centre, and thickened
ridge to tip. Rostellum long acuminate deeply bifid. Hab. Rare.
Pahang, Tahan River (Rislley).
(10) A. robusta Rldl.
Stems 20 ft. tall, robust. Leaves coriaceous bronzed elliptic