THE FLORA OF THE MALAY· PENINSULA

122 CXXXVI. ORCHIDE...E. [Calanthe.
7'5 in. long. Scape I to 2 ft. long; raceme dense. Flowers
numerous, orange with red lip. Bracts lanceolate acute, caducous,
1'5 in. long. Pedicels with ovaries '25 in. long. Sepals and
petals ovate-Ianceolate acute, '5 in. long. Lip as long, adnate to
column base, side-lobes waved erect, blunt, midlobe oblong acute,
spur '25 in. long, slender, tip hooked. Hab. In low wet woods to
2000 ft. altitude. Singapore (Wallich), Bukit Timah; Selitar.
johor, Kwala Tebing Tinggi; Gunong Pulai (Ridley). Perak,
Maxwell's Hill (Wray). Distrtb. Sumatra.
Formerly very abundant m Singapore, but largely extermmated by forest
destruction. :
(II) C. monophylla Ridl. Journ. F.M.S. Mus. iv. 70.
Leaf I, ovate acute slightly narrowed at base, 6 to 7 in. long,
3 in. wide; petiole 3 to 6 in. long. Scape lateral, 7 to 9 in. tall,
glabrous. Flowers 4 to 5, nodding. Bracts lanceolate acuminate,
'12 in. long. Ovary and pedicel nearly I in. long. Sepals and
petals ovate cuspidate, '5 in. long, rosy. Lip 3-lobed, side-lobes
oblong acute, midlobe narrow spathulate bilobed lobes rounded, spur
very short straight. Fruit elliptic, base narrowed, I in. long.
Hab. Very rare. Mountain woods at 4000 ft. altItude. Pahang,
Telom (2 plants only seen) (Ridley).
The pendent flowers do not expand, and it appears to be self-fertilised.
(12) C. gracilis Lindl. Wall. Cat. 7341; Gen. and Sp. Orch.
Pl. 251; Hook. fil. F.B.I. v. 855; Bot. Mag. t. 4714. Limatodes
gracilis Lindl. Fol. Orch. I.
Stems ascending leafy, I ft. tall or more. Leaves glabrous
elliptic lanceolate narrowed at both ends acuminate, 5 or 6 on a
stem, 7 in. long, 1'5 in. wide. Scape lateral, 2 ft. tall, slender
pubescent. Flowers about 15, distant. Bracts linear caducous;
pedicel and ovary pubescent, 1'25 in. long. Sepals and petals
narrow linea,.- acuminate, white, '5 to '75 in. long. Lip oblong,
'25 in. long, side-lobes lanceolate acuminate, yellow, midlobe longer
oblong, crisped, tip wider rounded retuse, 2 velvety patches on
disc, no spur. Column free from lip. Hab. Mountains, Kedah
Peak, at 3800 ft. altitude (Robinson and Kloss). Distrib. Indo-
China. '
Our form has a much more pubescent inflorescence than the Indian one,
and the side-lobes of the lip are more acummate. The flowers of the Indian
form are usually yellOWish green. A very abnormal species of the genus.
31. PREPTANTHE, Rchb. fil.
Epiphytic or rock plants; pseudobulbs large conic grey. Leaves
appearing before flowers on the top of the pseudobulb, several
broad lanceolate herbaceous. Scape tall, hairy from side of the
leafless pseudobulb. Flowers numerous, at the apex pink or white.
Bracts conspicuous. Sepals and petals broad, lanceolate spreading.
Lip 3- or 4-lobed, adnate to column at base, spurred, no callus.