Dendrobium.] cxxxvi. orchide^e. 49 
(54) D. Foxi i Ridl. Journ. Bot. 1900, 70; Mat. i. 53. 
Stems slender, 3 ft. long, red. Leaves lanceolate acuminate, 
4 in. long, 1 in. wide. Racemes -5 in. long. Flowers 7 to io, rosy 
white, 1 in. across; pedicels 1 in. long. Sepals ovate acute, laterals 
more blunt curved, *6 in. long; mentum thick curved dilate towards 
the acuminate tip. Petals oblong obovate fimbriate, nearly *75 in. 
long. Lip, claw narrow, linear, limb abruptly pandurate bilobed, 
rounded fimbriate, white. Column arms short blunt, orange. 
Hab. Perak, Thaiping Hills (Fox). 
(55) D. clarissimum Ridl. Journ. F.M.S. Mus. iv. 65. 
Stem about 1 ft. long, flexuous, *26 in. through. Leaves thin 
lanceolate acute, 2 to 4 in. long, base round, *5 in. wide. Raceme 
sub-terminal of 4 or 5 flowers on a raceme 2 in. long, white, 1 in. 
wide. Pedicel 1-5 in. long. Sepals ovate acute, broad; mentum 
1 in. long, cylindric then dilate, tip acute. Petals obovate blunt, 
larger, tip slightly rosy. Lip, claw linear, limb quadrate, edge 
fimbriate. Column arms orange. Hab. Mountain forests, rare, 
Pahang, Telom near the cascade, only a few plants seen 
(Ridley). 
(56) D. chloroleucum Ridl. Journ. Roy. As. Soc. S. Br. 61, 
p. 38. 
Stem slender, 2 ft. long, -12 in. through, internodes 2 in. long. 
Leaves thin lanceolate acute, 4 in. long, -36 in. wide. Flower 1 on 
pedicels -75 in. long; peduncles 1 in. long. Sepals lanceolate, 
•5 in. long; mentum long, curved acuminate blunt, 1 in. long. 
Petals narrower, all cream colour, greenish at back, tip of sepals 
and mentum. Lip entire spathulate, 1*25 in. long, claw linear 
with a V-shaped keel at base, limb oblong narrowed into claw, 
edges undulate, -5 in. wide, canary yellow. Column base green, 
arms orange, Hab. Perak, Gunong Kerbau (Haniff). 
(57) D. subflavidum Ridl. Journ. Linn. Soc. xxxviii. 130. 
Stem slender, 18 in. long, -12 in. thick, internodes 2 in. long. 
Leaves lanceolate acuminate acute, 3 in. long, 1 in. wide, 5-nerved. 
Racemes from old stems, *75 in. long. Flowers 2, cream-colour 
spotted crimson, 1-5 in. long, *5 in. wide. Sepals, upper lanceolate, 
laterals triangular much wider; mentum horn-shaped, tip curved. 
Lip lanceolate, claw narrow, limb entire blunt, *5 in. wide, deeper 
yellow spotted red-brown. Hab. Local. Pahang, Gunong Tahan 
at 3000 to 6000 ft. altitude (Robinson, Ridley). 
(58) D. tropseoliflorum Hook. fil. Ann. Bot. Gard. Calc. v. 
pi. 17; Ridl. Mat. i. 62. 
Stem elongate flexuous thickened above, 1 ft. long. Leaves 
linear-oblong acute, 2-5 in. long, 1 in. wide. Raceme 1 to 2 in. 
long. Flowers 6 or more, 1 in. long. Sepals triangular-ovate 
acute, *25 to *5 in. long, deep purple; mentum 4 times as long, 
yellow. Petals obovate round acute, deep purple. Lip as long as 
sepals, claw linear gradually dilate to the lateral lobes, between 
F1.M.P., 4 . E 
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