Bulbophyllum.] cxxxvi. orchide^e. 59 
1-5 in. long, laterals as long, ovate acuminate. Petals nearly 1 in. 
long, ovate, acuminate, all olive yellow. Lip stipitate cordate 
acuminate, fleshy, tip recurved, crimson, beneath whitish. Column 
broad; arms short blunt. Hab. Hill forests on trees, Pahang, 
Gunong Tahan. Selangor, Sempang Mines, Semangkok; Gunong 
Mengkuang Lebah (Robinson); Bukit Hitam (Kelsall). Perak 
Thaiping Hills (Kunstler). 
(6) B. polystictum Ridl. Journ. F.M.S. Mus. iv. 65. 
Rhizome long rather stout; pseudobulbs distant cylindric, 
3 in. long. Leaf elliptic-oblong petiolate, base narrowed, 8 to 
12 in. long, 2*5 in. wide. Peduncle 4 to 6 in. long, 3 or 4 oblong 
cuspidate sheaths at base. Flowers solitary. Upper sepal 3 in. 
long, -5 in. wide, lanceolate acuminate, back yellow thickly spotted, 
red - edges maroon red, front pale ochre yellow, laterals 2*25 in. 
long, 1 in. wide at base, lanceolate acuminate, greenish on back 
spotted black, red at tip, in front reddish dotted black. Lip ovate- 
cordate, lobes round, tip acuminate fleshy curved pinkish, orange 
spot at base, beneath pinkish spotted purple, black at tip. Column 
1 ft. long, orange red spots, arms obscure orange. Hab. Rare, in 
forests on tree-trunks. Pahang, Telom near Gunong Berumbun 
(Ridley). 
(7) B, variabile Ridl. Journ. Roy, As, Soc. S, Br. 39, 
P- 74 - 
Rhizome stout woody; pseudobulbs cylindric curved, 3 in. 
long. Leaf elliptic-ovate acute, 6 in. long, 2 to 3 in. wide; petiole 
1 in. long. Peduncle red, *4 in. long, sheaths spotted red. Bracts 
large, lanceolate acute spotted red. Flowers 1 or 2 showy, 3 in. 
wide. Upper sepal lanceolate acute, laterals falcate. Petals 
lanceolate yellow with lines of red dots. Lip tongue-shaped re¬ 
curved base broader, tip blunt yellow spotted red. Column short 
foot free twice as long, arms short round. Hab. Hill forests. Perak, 
Thaiping Hills (Curtis); Gunong Batu Putih (Wray). 
var. rubrum. Sepals and petals crimson spotted red at base. 
Lip dark crimson. Column yellow spotted red. Both forms grow 
together. 
(8) B. longiflorum Ridl. Journ. Linn. Soc. xxxii. 368; Mat. 
i. 66. (Fig. 164, p. 58.) 
Rhizome woody long; pseudobulbs cylindric thick, 2 in. apart, 
1*25 to 1-5 in. long. Leaf lanceolate, obovate or elliptic acute, 
6 to 7 in. long, 2 to 2*5 in. wide; petiole 1 in. long. Peduncle 
1 in. long; pedicel 1*5 in. long. Bract long. Flower pink with 
darker veins. Sepals lanceolate acuminate, 2 in. long, laterals wider. 
Petals longer, 2-5 in. long, linear-lanceolate. Lip *25 in. long, thick, 
curved, shortly stipitate, tip papillose, pale orange. Column 
greenish, foot long, crimson, arms long porrect sub-terete. Hab. 
Perak, Hermitage Hill (Cock). Penang Hill (Curtis).. Kedah 
Peak. 
35 
