Journal of the Federated Malay States museums - Sabrizain.org

174 journal of the F.M.S. Museums. [Vol. VL
MONOCOTYLEDONS.
ORCHIDACEiE.
*i68. Oberonia condensata, Ridl. op. cit. p. 322. Epiphytic
on trees by streams on the Padang. The stem is
remarkable, being long and bare of leaves below and clinging
to the bark by numerous roots. The flowers are yellow.
Endemic.
*i69. Platyclinis gracilis, Hook. fil. Ridl. op. cit. p.
323. In woods on the Padang. Epiphytic, very fragrant.
Distribution. Perak and Borneo.
170. Platyclinis linearifdlia, Ridl. Very common
all over the rocks in all parts of the Padang exposed to full
sun. The bright orange pseudobulbs and bright yellow
flowers make it quite attractive. This was accidentally named
P. Kingii in the previous paper.
Distribution. Mt. Ophir, and Batang Padang and Gunong
Bubu in Perak.
*i7i. Dendrobium longipes, Hook. fil.; Ridl. op. cit. p-
323. On the top of Gunong Tahan and Ulu Riang.
Distribution. Ulu Batang Padang, Gunong Semangkok
and Gunong Kerbau, 6000—6,600 feet.
172. Dendrobium macropodum, Hook. fil. On trees in
the woods by the Camp stream.
Distribution. K'luang Terbang and the Larut Hills.
173. Dendrobium geminatum, Hoo^. 7?/. Rather scarce
on the Padang.
Distribution. Perak and Kedah at 4,000 to 5,000 feet
altitude, also Java.
*i74. Dendrobium Kelsalli, Ridl. op. cit p. 323. On
trees on the Padang. I did not see flowers of this plant,
which was scarce, and so am not quite sure Jis to the
identification.
*i75. Dendrobium sp., near D. gracilk, Lindl. Collected
by Robinson on the previous occasion ; I could not find
it again.
*i76. Dendrobium uniflorum. Griff, op. cit. p. 323.
Collected by Robinson at 5,000 to 6,000 feet altitude. On the
Padang.
Distribution. Mt. Ophir and the Larut Hills.
^177. Dendrobium rupicolum, n. sp.
Dendrobium bifarium, Ridley, op. cit. p. 324.
Stems six inches to a foot tall, erect, ^ inch through,
slightly undulate, the internodes ^ inch long. Leaves \ to
neiirly \ inch long, oblong-obtuse, obliquel}- bifid at the tip
and slightly dilated at the base, rather fleshy and bright green.
Flowers solitary, \ inch across; ovary and pedicel ver}- short.
Sepals oblong-lanceolate, pale ochreous-brown. Mentum very
short and blunt. Petals smaller than the sepals, and narrower,
3 nerved. Lip white or light yellow with a darker