THE FLORA OF THE MALAY· PENINSULA

Dendrobium] . CXXXVI. ORCHIDElE. 35
long, ·5 in. wide. Flowers I or 2 from terminal tuft of bracts;
pedicels ·5 in. long. Upper sepal ovate-Ianceolate, laterals ovate;
mentum blunt curved, ·25 in. long. Petals narrower linear all
pale straw colour or veined with red. Lip oblong entire yellow
with red edges or red veined, tip dilate toothed with round orange
callus in centre. Hab. Common on orchard trees. Singapore;
Kranji; Selitar. Johor, Kwala Sembrong (Kelsall); Batu Pahat.
Pahang, Pekan. Selangor, Kajang. Negri Sembilan, Bukit Kupayiang
(Cantley). Perak, Thaiping (Curtis); Temengoh. Penang
Pulau Tikus (Curtis); Tringganu (Rostados). Kelantan, Kwala
Aring (Yapp), stems 3 in. long. Dlstrib. Burma, Borneo. Natwe
name: Sakat Kalumbai. Use: As a drug in dropsy.
(2) D. serra Lmdl. Journ. Linn. Soc. iii. 3; R1dl. Mat. i. 38.
Aporum micranthum GnfJ. Calc. Journ. Nat. Hist. iv. 376.
Stems tufted, flattened occasionally branched, 6 to 24 in. long,
base covered With leaves, tip with sheaths only. Leaves distichous
ovate acute laterally flattened articulate at base, ·75 in. long,
·25 in. wide, green or red. Racemes from the leafless part, rarely
below, covered with copious brown bracts. Flowers ·12 in. wide,
pure white. Sepals ovate-Ianceolate recurved; mentum long,
narrow blunt. Petals linear. Lip linear-oblong tip of 2 parallel
blunt linear lobes with a small forked callus at their base. Column
rather long. Capsule pear-shaped, ·25 in. long. H abo Common
in woods on trees, Singapore (Wallich). Changi, etc. Johor,
Batu Pahat. Pahang, Pekan. Perak, Uiu Temengoh. Distrib.
Borneo, Java.
(3) D. rhodostele Ridl. Trans: Lmn. Soc. Ser. ii. vol. iii.
360; Mat. i. 38.
Stem 12 to 15 in. long, like that of D. serra. Leaves lanceolate
or ovate-Ianceolate acute, ·75 to I in. long, ·25 in. wide. Flowers
very small, white. Sepals ovate blunt; mentum short broad
blunt. Petals linear acute. Lip linear-oblong, midlobe bilobed
rounded broader. Column rather larger than in D. serra, pink.
Pollinia narrow linear. Capsule pear-shaped, ·25 in. long. Hab.
Rare. Pahang, Tahan valley (Ridley).
(4) D. rosellum Ridl. J ourn. Linn. Soc. xxxi. 168; Mat. i. 39.
Habit of the two preceding. Stems branched, over I ft.
long. Leaves ovate acute rather distant, ·5 to ·75 in. long, ·75 in.
wide. Flowers pink, ·75 in. wide. Upper sepals ovate, laterals
wider, mentum long straight, tip thicker. Petals small ovatelanceolate.
Lip long narrow, side-lobes very short, midlobe obovate
with oblong grooved callus at base yellow, tip bilobed, lobes broad
round. Column rather long. Hab. Rare, Johor, Gunong Pantai
(Ridley). Dtstrib. Borneo, common.
(5) D. eulophotum Lindl. J ourn. Linn. Soc. iii. 5 ; Rtdl. Mat. i. 39.
Stems 4 to 16 in. tall, leafy to top. Leaves lanceolate acute,
·5 to I in. long, ·12 in. wide; sheaths·5 in. long. Racemes axillary,