4 0 ORCHIDS OP THE SIKEIM-HIAIALATA.
Seci. VI.—FoKuosiE.—Stems tu f t e d , erect, with, coarse deciduous black hairs oa the
e h e a t h s . Flowers solitary or in racemes, large, white, with faintly coloured
l i p ; mmtim usually long and fuunel-shaped or conical, acute, straight or
iucin-vod. Lip sessile, its middle lobo often fimbriate on the margin or
d i s c .
Lip fimbriate; flowers less than 1
Lip not fimlriate; flowers 3 to 5
aerosa 10. D. iongkornu.
. across 11. B. formosum.
Sect. VII.—EUDENDROBIUJI.—Stems el o n g a t e d , stout or slender, cylindric, olavato or
n o d o s e . Leaves membranous or coriacGous, persistent or deciduous.
Flowers usually large, in lateral pairs fascicles or racemes, very rarely
s o l i t a r y , variously coloured, white yellow or purple.
r with 5 usnally with many, but 1 s than two leaves.
Lip not calccolar.
L i p not couTohite, longer than broad.
Lip without side lobes.
Lip obovate 32.
Lip elliptic, abruptly acuminate . . . .13.
Lip with short up-turned side lohes, oblong,
sub-acute ii .
Posterior part oi the lip convolute into a tube, the
anterior part expanded into a more or less orbicular
open moufch.
Disc not puberulous, mentum entire.
Lip longer than broad, with broad convolute side
D. erepidatum.
D. aduncum.
Mentum bulbous, bracts small, sepals obtuse . 15. B. amwnum.
Mentum conical, braots large, sepals acute . 16. D. transparens.
Lip longer than broad, without side lobes . . 17. D. nobile.
L i p as broad as loag, without side lobes . . .18. D. Fierardi.
Disc of lip with a green-crested ridge, the anterior
lobe crisped; mentum notched at the apes . . 19. D. ramosum.
Diso papillose; anterior part of lip trowsl-shaped,
not lohed; mentum conical 20. D. hderooarpum.
Diso tomentose; anterior part of lip orbicular-
reniform, mentum blunt . . n . D. damtum.
l o p not convolute, the disc )
flmbriate.
Lip papillose (shortly fimbriate in NOB. 22 and 23).
L i p longer than broad.
L i p oblong or oblong-obovate, with two lateral
forward-pointing lobes; mentum bluut.
Flowers white; Hp with no ridge, but
its disc much thickened SS. D. sUcposum.
Flowers golden-yellow; disc of lip with
a central 3-grooved ridge . . . .23. D. pauciflorum.
Lip broader than long or orbicular.
Lip transversely oblong or reniform,
not lohed ; flowers in fascicles . . J), ch-ysanllnm-
DENDEOBrUM. 41
Lip orbicular or sub-orbicular; flowers in racemes.
Stems clavate.
Eacemes 3 or 4 in. long, flowers dingy
yellow ; lip slightly lobed 25. D. sulcaium.
Eacemea G to 10 in, long ; flowers brilliant
yellow or white; lip not lobed.
Racemes densely crowded SG. D. dens ¡forum.
Eacemes lax Sr. I). Fm-mei i.
Stems cj-lindric S8. D. Gibsoni.
L i p deeply fimbriafco.
Eacemes 7- to 12-flowered; lip with one purple
I'lotch S9. D. fimbriahm,
var. oculota.
Eacemes 2- to 4.flowered; lip with two purple
tlotehes 30. D. Uooheriamnn.
Lip calceolar 31. D. moschatum.
Leaf solitary—
The lip with a dark blotch 32. D. agorcgatum.
The lip without a blotch 32. J), aggregahm
tar. Jcnkinni.
Sect. VIII.—CADETIA.—iS/em branched, erect, the branches formed by chains of sessile or
s t i p i t a t e pseudo-bulbs. Leaf solitary, terminal, coriaceous, flat, persistent.
Flowers one or two from the base of the leaf, medium-sized, white or
p a l e ; mentum short, the edge of the lip plicate,
33. D. Macrcsi.
Sect. /Z.—SAECOPODIUM.—Fseuch-hulbs short, more or less ovoid, erect, spriugiug singly
f r o m a stout creeping (often branching) rhizome. Leaves two, coriaceous,
opposite, from the apex of the pseudo-bulb, flat, persistent. Flowers soli,
t a r y from betweeo the leaves, large ; vicntim short, rounded. Lip more or
less mobile.
Flowers 1-5 in. i n diam.
Anterior lobe of lip sub-reuiform, the disc with a largo triangular
fleshy thickening si. D. roiundatum.
Anterior lobe of lip orbicular-ovate, the disc with a broad central
^i^g® D. fusccsmn.
Flowers 3 5 in. in diam 36. D. amplum.
1. DENDROBIUM ANCEPS, Swartz in Act. Holm. 1800, 246.
Ste,ns compressed, 6 to 30 in. long and from -25 to '5 in. broad. Leaves fleshy
a n d without apparent nerves when fi-esh (striate when dry), lanceolate, acut^, with
s h e a t h i n g equitant bases; length 1 to 1-75 in., breadth from -25 to -5 in. Flowers
p r o d u c e d singly, -65 in. to "75 in. long, yel!owish-gi-een, axillai-y; floral Iract minute,
much shorter than the short pedicelled ovary. Sepah unequal, elliptic, the lateral
p a b larger than the dorsal, all obtuse. Petals much shorter than tlie sepals, broadly
e l h p t i c , blunt. Zy? cuneately oblong, concave, obscurcly S-lobed, the edges entire in
t h e lower part, crisped in the upper and especially at the broad 2-lobed apex; the
d i s c occupied by a shallow tliichened depression ending abruptly near the apex.
ANX, EOY. DOT. GAED., CALcurr^, VOL, YIIL