CXXXVI. ORCHIDE^E. 
Dendrobium.] 
47 
Batu Putih (Wray); Gunong Inas (Yapp). Kedah, Gunong 
Bintang (Kloss). 
(45) D. segle Ridl. Journ. Linn. Soc. xxxii. 260; Mat. i. 51. 
Stems slender, 2 ft. long. Leaves lanceolate sub-acute, 3 in. 
long, -75 in, wide. Racemes -25 in. long. Flowers many, *5 in. 
long, dark pink; pedicels *2 in. long. Bracts lanceolate acute. 
Upper sepal oblong blunt, *25 in. long, laterals lanceolate-ovate, 
blunt; mentum terete curved, blunt, *25 in. long. Petals shorter, 
broader. Lip spathulate, limb round toothed. Anther conic dark 
crimson. Hob. On trees, Johor, Batu Pahat. Perak, Thaiping 
Hills at about 2500 ft. altitude (Ridley). 
(46) * D. virescens Ridl. Journ. Linn. Soc. xxxii. 259; Mat. 51. 
Stems weak, over 1 ft. long, internodes 75 in. long. Leaves 
thin lanceolate acuminate, 4 in. long, 1 in. wide. Racemes lax, 
2- 5 in. long. Flowers 12, 1 in. long, greenish yellow, pedicels 1 in. 
long. Upper sepal ovate acute, -25 in. long, laterals wider; mentum 
75 in. long, cylindric, blunt. Petals shorter. Lip spathulate, claw 
narrow, blade round toothed, margins of claw thickened with a 
transverse bar. Hab. Perak, Thaiping (Curtis). Legeh, at Tomoh 
(Machado). 
(47) D. serpens Hook, fil. Ann. Bot. Card. Calc. v. 10, pi. 16; 
Ridl. Mat. i. 51. D. panduriferuin var. serpens Hook. fil. F.B.I. 
vi. 186. 
Stems 2 to 3 ft. long, flexuous weak, internodes 1 to 1*5 in. 
long. Leaves elliptic, tip very unequally lobed, 3 in. long, 1 in. 
wide. Racemes 1*5 in. long. Flowers 6 to 8, about 1 in. long. 
Sepals broad ovate, yellow streaked red; mentum twice as long, 
terete blunt, straight green. Petals wide obovate. Lip, claw long 
linear, blade pandurate with a callus across base. Hab. Rare. 
Perak (Kunstler); Ulu Temengoh on an island in the Kertai River 
(Ridley). 
(48) D. crocatum Hook. fil. F.B.I. vi. 185; Ann. Bot. Card. 
Calc. v. 9, pi. 14. D. pyropum Ridl. Trans. Linn. Soc . iii. 362. 
Stems 1 to 3 ft. through. Leaves lanceolate acute, unequally 
bilobed, 3 to 4 in. long, r in. wide. Racemes -5 in. long, 2- to 
3- flowered. Flowers 2 in. long, orange. Sepals lanceolate acute, 
•5 in. long; mentum straight cylindric acuminate. Petals as large 
as sepals. Lip spathulate, claw linear, blade ovate denticulate 
crisped, a double keel on the claw. Hab. On trees often high up, 
sporadic. Singapore, Chan Chu Kang. Pahang, Tahan River, 
Negri Sembilan, Seremban (Braddon). Selangor, Ulu Gombak. 
Perak, Larut (Kunstler). 
(49) D. Derryi Ridl. Mat. i. 52. 
Stem stout enlarged upwards red, 8 to 10 in. long, internodes 
i*5 in. long. Leaves oblong blunt, 3 in. long. Flowers on old 
stems 1 in. across; pedicel and ovary 75 in. long. Sepals oblong- 
lanceolate blunt, ochreous; mentum straight blunt horizontal, 
