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-lanceolate 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). Distrib. Sumatra. 
Formerly very abundant in Singapore, but largely exterminated by forest 
destruction. 
(n) 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 1 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, 1 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. 
PI. 251; Hook. fil. F.B.I. v. 855; Bot. Mag. t. 4714. Limatodes 
gracilis Lindl. Fol. Orch. 1. 
Stems ascending leafy, 1 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 linear 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 acuminate. The flowers of the Indian 
form are usually yellowish green. A very abnormal species of the genus. 
31. PREP TAN THE , 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. 
