CXXXVI. ORCHIDE^E. 
45 
Dendrobium.] 
long from near top of stem, 6-flowered, Flowers crowded fragrant; 
pedicels -25 in. long. Bracts ovate acute. Upper sepal widely 
ovate, '5 in. long, laterals longer, ovate acute falcate; mentum 
shorter, thick. Petals lanceolate falcate, all white. Lip ovate 
cuneate spoon-shaped, fleshy, yellow with red streaks. Capsule 
1*5 in. long, oblong; pedicel and peduncle thickened. Hab. Man¬ 
grove trees. Singapore, Kranji; Sungei Bulu. Distrib. Borneo. 
{38) D. metrium Kranzl. Pfianzenreich l.c. 221. D. modestum 
Ridl. Joiirn. Bot. 1898, p. 211 ( not of Rchb. fil.). 
Stems slender, 7 in. long, flexuous purple. Leaf 1, rarely 2, 
terminal lanceolate-linear, 1 in. long, *25 in. wide, petiolate. 
Flowers in pairs on a short peduncle. Pedicel -5 in. long. Sepals 
lanceolate, *36 in. long, laterals base broader; mentum as long, 
acuminate acute, white tinted rose. Lip ovate acuminate, side- 
lobes indistinct, white with violet stripes. Column short; anther 
violet. Hab. Very rare, Penang Hill at 2500 ft. altitude (Ridley). 
(39) B. flavidulum Hook. fil. F.B.I. vi. 185; Ridl. Mat. i. 55. 
Stems slender, 12 to 18 in. tall, intemodes 1 in. long. Leaves 
lanceolate, 3 in. long, *5 in. wide. Racemes several, 1 in. long. 
Flowers 3 to 6, pale yellow or nearly white, -5 in. long. Sepals 
ovate acute; mentum very short, thick. Petals lanceolate acute 
as big. Lip oblong 3-lobed, side-lobes lanceolate acute, midlobe 
longer ovate-lanceolate blunt ciliate, a red spot on tip, 2 low ridges 
on disc. Capsule long elliptic, pear-shaped, -5 in. long. Hab. 
On mangrove trees, Singapore, Kranji, etc. Kelantan Kamposa, 
Parit (Haniff). Distrib. Rhio. 
Smith says this is D. exsculptum Teysm., the description of which is 
insufficient to identify it by, and the specimen so named at Kew by Smith 
seems quite different. 
(40) D. tetrodon Rchb. fil. Joiirn. Linn. Soc. iii. 10. D. viri- 
dicatum Ridl. Joiirn. Roy. As. Soc. S. By. 39, p. 72; Mat. i. 55. 
Stems slender, over 1 ft. long. Leaves lanceolate acute, 2*5 in. 
long, *5 in. wide, internodes -5 in. long. Flowers numerous on 
leafless stems, *5 in. wide, light green. Racemes of 2 to 3 flowers. 
Peduncles *25 in. long. Pedicels -75 in. long. Sepals lanceolate 
acute, laterals broader; mentum very short, blunt. Petals broader 
oblong lanceolate. Lip entire, lanceolate acute, *5 in. long. Column 
short with two thick yellow round arms. Hab. On tree in orchards. 
Perak, Ipoh (Goldham); Thaiping (Hobson); Ulu Temengoh. 
Distrib. Java. 
This appears to be always self-fertilised; the rostellum is absent in all 
my specimens. 
(41) D. hereoglossum Rchb. fil. Hamb. Gartenz. xlii. 558; Gard. 
Chron. 1886, ii. 487; Ridl. Mat. i. 56. D. aduncum Hook. fil. Bot. 
Mag. t. 6784. 
Stems very slender pendulous, 1 to 3-5 ft. long, internodes 1 in. 
long. Leaves narrow linear acuminate thin, 3 in. long, *5 in. wide. 
