THE FLORA OF THE MALAY· PENINSULA

228 CXXXVI. ORCHlnE...E. [ H abenaria.
dull olive green with white spots or plain. Scape 6 to 12 in. tall.
Bracts ovate-acuminate. Flowers 6 to 20, rose-pink or white,
1 in. wide. Sepals ovate. Petals ovate. Lip 1 in long, sidelobes
very broad round, midlobe reniform or nearly orbicular retuse,
base narrowed. H abo Limestone rocks. Lankawi, K wah; Terutau
(Curtis).
var. minor Rid!. is a smaller form with plain leaves and white
flowers. Dzstrtb. S. Siam.
(4) H. Susannre Br. Prodr. 312; Hook. fil. F.B.I. vi. 137.
H. gigantea Don. Prod. 24; Bot. Mag, t. 3374.
A tall stout plant, 2 to 4 ft. tall. Leaves ovate-oblong, 2 to 6 in.
long, 1'5 to 2 in. wide. Raceme 3- to S-flowered. Flowers 3 to 4 in.
across, white fragrant. Upper sepal broad rhomboid, laterals
blunt quadrate-oblong. Petals linear acute. Lip side-lobes very
broad pectinate, midlobe linear, spur twice as long as ovary, 4 in.
long, cylindric. Hab. Lankawi, Kwah (Curtis). Setul (Haniff).
Dzstrib. India, Burmah, China, Malay Isles.
(5) H. roseata Ridl. Journ. Rqy. As. Soc. S. Br. 49, p.
42 .
Stem slender, 2 ft. tall. Leaves few, distant linear-acute, 3 in.
long, '25 to '5 in. wide. Raceme lax, about 9-flowered. Upper
sepal ovate blunt, boat-shaped, forming a hood with the oblong
petals, pale rose pink, laterals oblique ovate blunt, 3-ribbed, spreading.
Lip trifid to base, lobes narrow -linear, white, middle one
longest, '5 in. long, spur slender, '75 in. long, slender geniculate
in middle. Hab. Rare. Setul heath among bushes (Ridley).
Distrib. Trang.
(6) H. acuifera Wall. Lindl. Gen. and Sp. Orch. Pl. 325; Hook.
F.B.I. vi. 146.
Rather slender plant, 6 to 15 in. tall, with scattered linearlanceolate
leaves, 1'5 to 2'75 in. long, '25 in. wide, passing into
narrow setaceous bracts. Spike short, 1'5 in. long, bracts longer
than ovary. Flowers yellow, ·6 in. wide. Sepals oblong, upper
one broad, laterals concave. Petals much smaller linear-oblong.
Lip as long as sepals, side-lobes short subuIate, midlobe linear,
spur slender slightly clubbed, half as long as ovary. Hab. Tringganu,
Ismail Rantau (Down). Jalor, Biserat (Gwynne Vaughan).
Distrib. Khasiya, Tavoy, Indo-China, China.
(7) H. Kingii Hook. fil. F.B.I. vi. 144; Ridl. Mat. i. 227.
H. Murtoni Hook fil. l.c.
Whole plant I to 2'5 ft. tall; stem rather stout, 4-angled ciliate
on angles. Leaves crowded towards base, lanceolate or ellipticlanceolate,
6 to 10 in. long, 1'5 in. wide, undulate, shining green.
Raceme 6 in. long, lax. Flowers numerous, whitish green. Bracts
'75 in. long. Upper sepal hooded. obovate, '25 in. long; laterals
deflexed cultrate triangular, falcate, base narrowed. Petals linear
blunt. Lip 8-lobed, lobes narrow linear equal, spur arched, slender