THE FLORA OF THE MALAY· PENINSULA

30 CXXXVI. ORCHIDElE. [ Desmotrlchum.
(2) D. Kelsalli Ridl. Dendrobium Kelsalli Ridl. Journ. Lin1t.
SOC. xxxii. 237.
Stems much branched, IS in. long; pseudo bulbs fusiform, I in.
long, '12 in. through. Leaf lanceolate sub-obtuse, 1'5 in. long,
'25 in. wide. Flowers'5 in. wide. Upper sepals ovate blunt,
laterals much larger; mentum large blunt. Petals smaller lorate,
pale green. Lip side-lobes broad blunt greenish, disc crimson purple
with 3 keels, midlobe horseshoe-shaped orange. Hab. On trees in
mountains, Johor, Pulau Aor (Feilding). Pahang, Gunong Tahan
at 3000 to 6000 ft. altitude; Kluang Terbang (Barnes). Malacca,
Mt. Ophir. Perak, Thaiping Hills. Kedah Peak.
(3) D. Ardeni Ridl. Dendrobium Ardeni Ridl. Jaunt. As.
Soc. 50, p. 132.
Stems slender branched; pseudo bulbs cylindric, slightly flattened
olive-green, 1'5 in. long, '26 in. through. Leaves lanceolate-linear,
3 to 4 in. long, '25 to '5 in. wide. Flowers nearly '5 in. wide.
Sepals oblong, laterals recurved blunt cream faintly purple-veined.
Mentum short broad conic. Petals linear acute. Lip as in Kelsalli
but side-lobes short round pink; midlobe clawed with a round
bilobed limb, disc and claw violet pink, limb creamy yellow, 2
large fleshy semi-elliptic deep purple cushions on disc. Column
lemon yellow. Hab. Rare, Johor, Kukub; Tempayan River
(Ridley).
(4) D. criniferum Lindl. Bot. Reg. Misc. 41.
Large plant, 2 ft. tall, much branched; pseudobulbs linear
oblong flattened, 2 in. long, '25 in. through. Leaf elliptic or ovateelliptic
blunt, 3 in. long and wide. Flowers in pairs; pedicel and
ovary '75 in. long. Sepals '36 in. long, lanceolate acute, pale
yellow; mentum short and broad. Lip as long, side-lobes falcate
acute yellow with crimson lines, midlobe spotted purple, keels 2,
crimson running to midlobe and there sinuous, midlobe linear
waved, tip covered with yellow filaments. Column short, white
spotted purple. Hab. Mangrove trees, common, Singapore, Kranji;
Changi. Johor, Batu Pahat. Negri Sembilan, Siliau (Williams).
Distrib. Rhio, Java. Borneo, Papua.
This may be the plant intended by Blume under Dendrobitlm comattlm,
which would be its earliest name, but J am not sure of this.
(5) D. flIIlbriatum Bl. Bijd. 320. Dendrobium flabellum Rchb.
/il. Xenia Orch. ii. 75, t. lI8; Ridl. Mat. i. 36. D. Kunstleri
Hook. fil. F.B.I. v. 714.
Large much-branched plant; pseudobulbs ovate flat, olive or
purplish, 4 in. long, I in. wide, '5 in. thick. Leaf ovate to lanceolate
blunt, 5 to 6 in. long, 2 in. wide. Flowers I in. wide; pedicels
'5 in. long. Bracts 2 ovate-Ianceolate soon broken into fibres.
Sepals lanceolate acute, mentum conic sub-acute as long. Petals
linear, all cream, spotted pink. Lip base linear, side-lobes narrow
acute, straw colour, tips rosy, midlobe pandurate oblong, sides