38 cxxxvi. orchidEjE. \Dendrobum. 
sub-acute, -5 in. long and nearly as wide. Racemes terminal short 
broad. Bracts many. Flowers fleshy, yellowish spotted pink, 
vanilla-scented. Upper sepal short blunt, *25 in. long, laterals 
widely ovate larger, mentum short and broad. Petals lorate- 
spathulate. Lip oblong shorter than sepals, nearly entire, tip 
bilobed rounded ciliate, an orange yellow centre bar ending in a 
small callus. Column short yellow, an orange spot at base. Hob. 
Common on trees in woods, Singapore, Changi, etc., Johor, Batu 
Pahat (Kelsall). Pahang, Kwala Pahang; Kota Glanggi. Malacca, 
Jasin; Sungei Baru Ulu ; Tanjong Kling and Ayer Panas {Griffith). 
Negri Sembilan, Seremban (Williams). Selangor, Rawang (Kloss). 
Perak, Gunong Hijau (Scortechini); Ulu Leding (Wray). Disirib. 
Cochin-China, Borneo. 
{13) D. prostratum Ridl. Journ. Linn. Soc. xxxiii. 248; Mat. 
ii. 41. 
Stem creeping and rooting, branched flat. Leaves -25 in. long 
and nearly as wide, oblong triangular sub-acute or blunt fleshy 
deep green or red. Flowers as in D. leonis but smaller, pale yellow 
or dotted red. Upper sepal ovate blunt, laterals much larger 
ovate sub-falcate, mentum short broad curved. Petals much 
smaller spathulate. Lip oblong, tip dilate retuse; keel on disc 
orange with small erect quadrate callus. Hab. On branches of 
trees, mangroves and woods, Singapore, Kranji. Selangor, Sepang. 
Negri Sembilan, Perhentian Tinggi; Siliau and Port Dickson 
(Williams). Disirib. Borneo. 
(14) D. teres Lindl. Bot. Reg. 1840; Misc. 51; Hook. Ann. 
Bot. Calc. v. pi. 112; Ridl. Mat. i. 42. 
Stems few stiff, 10 to 15 in. tall. Leaves distant terete blunt, 
2 to 4 in. long, -12 in. through, sheaths 1-25 in. long. Flowers 
75 in. long, opening singly from tufts of bracts on the bare tip 
of stem, white; pedicel and ovary ’5 in. long. Sepals lanceolate 
acute sub-equal, -5 in. long; mentum over -26 in. long, blunt 
conic. Petals narrower. Lip shorter, 3-lobed, side-lobes ovate- 
oblong acute, veined orange, midlobe narrower lanceolate acumin¬ 
ate, keels 3, flame-colour. Hab. Not common, Singapore, Toas; 
Selitar. Johor, Kota Tinggi. Negri Sembilan, Gunong Angsi 
(Williams). Perak, Thaiping Hills (Curtis). Penang (Curtis). 
Disirib. Borneo. 
(15) D. acerosum Lindl. Bot. Reg. 1841; Misc. 86; R.'dl. 
Mat. i. 43. 
Stems slender flexuous, 12 to 15 in. long. Leaves recurved, 
laterally flattened pungent, 1 to 1*5 in. long, sheaths -5 in. long, 
mouth black. Flowers *25 in. long, solitary from the bare top 
axillary cream-colour with or without pink veins. Bracts ovate- 
lanceolate, small. Upper sepal lanceolate very small, laterals 
triangular blunt; mentum stout blunt, twice as long as upper 
sepal. Petals narrower linear. Lip spreading obcuneate-obovate, 
