CXXXVI. ORCHIDE^E. 
37 
Dendrobium.] 
lobe little longer bilobed, lobes rounded crisped, an orange spot 
in centre. Column narrow, an orange spot at base. Hab. Very 
rare. Malacca, Mt. Ophir district (Derry). Distrib. Assam, 
Burma. 
(9) D. atropurpureum Miq . FI. hid. Bot. iii. 644; Ridl. Mat. 
i. 40. D. concinnum Miq. l.c. Oxystophyllum carnosum Bl. 
Rmnphia iv. 41; PL 193, f. 4 and 198 c. 
Small tufted plant, 2 to 9 in. tall. Leaves lanceolate or linear- 
lanceolate acute imbricating, 1 in. long, -25 in. wide. Racemes 
•25 in. long. Bracts numerous. Flowers yellow dotted pink or 
deep red. Upper sepals lanceolate acute, laterals triangular 
larger, mentum short broad blunt. Petals linear. Lip entire 
oblong spathulate tip round, pubescent, a horseshoe-shaped callus 
on tip and a conical tubercle beneath. Hab. Common in man¬ 
groves, orchards, woods, etc. Singapore (Wallich); Kranji. 
Johor, Kwala Kahang (Kelsall). Pahang, Rumpin River; Pekan. 
Malacca, Sungei Rambei. Selangor, Kwala Lumpur. Perak, Ulu 
Temengoh. Penang Hill. Lankawi, Dayong Bunting (Robinson). 
Distrib. Tenasserim, Siam. Malay isles. 
(10) D. sinuatum Lindl. Walp. Ann. vi. 280; Ridl. Mat. 
i. 40. 
Stems pendulous, 8 in. long or more. Leaves lanceolate acumin¬ 
ate, pungent, imbricating fleshy, 1 in. long, *25 in. wide. Racemes 
•36 in. long. Bracts fewer than in D. atropurpureum. Flowers 
larger, orange. Upper sepals lanceolate, laterals larger triangular; 
mentum short thick. Petals much smaller lanceolate blunt. Lip 
fleshy cuneate, side-lobes small tooth-like, tip round, with a horse- 
shoe-shaped callus above dark red, a conical tubercle beneath. 
Hab. Common on mangroves, orchard trees, etc. At 5500 ft. 
altitude, Singapore, Kranji; Selitar. Johor, Batu Pahat; Tebrau 
River. Malacca (Griffith). Pahang, Gunong Tahan; Kluang 
Terbang (Barnes). Perak, Thaiping (Curtis). Penang (Maingay). 
Distrib. Borneo. 
(n) D. atrorubens Ridl. Journ. Linn. Soc. xxxii. 147; Mat. 
i. 41. 
Stems stout, sometimes branched, 1 to 2 ft. long. Leaves 
imbricating lanceolate acute, 1 in. long, *75 in. wide. Racemes 
sub-terminal and lateral. Bracts very numerous lanceolate acute 
forming a tuft -5 to -75 in. wide. Flowers *25 in. wide, deep red. 
Upper sepal lanceolate acute, laterals larger triangular. Lip 
linear, obcuneate, side-lobes tooth-like acute, tip thickened fleshy, 
a tubercle beneath. Hab. Mountains at 3000 to 5000 ft. altitude, 
on stumps and low trees, Pahang, Kluang Terbang (Barnes). 
Perak, Thaiping Hills. Kedah Peak (Ridley). 
(12) D. leonis Rchb. fil. Walp. Ann. vi. 280; Ridl. Mat. i. 4r. 
King. Ann. Bot. Gard. Calc. v. pi. 10. 
Stems tufted, 4 to 8 in. tall. Leaves thick cultrate or ovate 
