4 4 OliCHIDS OP THE SIKKIM-HIMALiYA.
terminal or sub-torniinal, much shorter than tho leaves, solitary or two or three,
eieet, not more than 1 in. long. Flowers '5 in. long; floral hract equalling or
exceeding the ovary. Sepals oblong-lanecolate, the lateral pair deeurved, the dorsal
erect. Petals oblanceolate, falcate, sub-acute. Lip obovato-deltoid (when ilattenod out),
shortly clawed, dccurved at the apex of the side lobes; tho side lobes long, narrow,
entire, sub-acute, almost obtuse at their apices; terminal lobe broadly triangular, crisped;
t h e disc between the side lobes with a broad fleshy ridge emarginate at its apex.
Cokimn short, rather broad, the edges thickened; its foot long, straight, and spur-like
a t its extremity. Lip of anther very minutely pectinate. Lindl. Gen. and Spec.
Orchid., 85; Bot. Reg. 1845, Misc. 62; Hook. fil. Fl. Br, Ind. V, 717. D. pcguaniim,
Lindl. in Journ. Linn. Soc. Ill, 19.
Sikkim, at the base of tho hills, at elevations of about 1,000 feet. Pantling
No. 23; flowering during the cold season. Buvmab.
Except the Hp and anther, the parts cjf the flower are white. The lip is pale
brown, veined wicli a darker tint of the same colour, its anterior lobe and the
anther being amethyst.
Pi.ATE b^.—Dciidro'jUm p'jgmaum, Liudl. L tuft of pseudo-bulbs growing on a daad braueli of
a tree, of natural size. Fig. I a flower, 2 lip, 3 floral braot, ovavy, column aud lip, in profile,
4 column and its foot. 5 anther, C polliuia; all enlarged.
6. DENDROBIUM PORPIIYBOCHRLUM, Lindh iu Journ. Lion. Soc. ILL, 18.
Pseudo-hiilbs cylindric-conic, thiu, -5 to 1 in. loQg, narrowed into a short stem.
Leaves 1 to 3, linear-oblong, obtuse or obliquely notched at tlie apex, the base not
narrowed; length 1 to in., breadth '2 to -3 iu. Racemes solitary, terminal, nodding,
slightly longer than the leaves, 6- to 10-flowered. Flozuers '3 in. long; floral hract linear,
more than half as long as the stalked ovary. Sepals lancoolate, the lateral pair larger
than the dorsal. Petals shorter than the sepals, oblong, sub-obtuse, 3-nerved, Lip
elliptic, decurved from the base, flat, not lobed, its edges entire and apex sub-acute ;
the upper surface with a broad central thickened band terminating near the apex,
slightly grooved towards tho base so as to form three obscui-e ridges. Column short,
broad, its foot dilated, concave. Mcntuin oblique, rounded. AnUmr sub-orbieiilar, the
lip up-turned; pollinia elongate-clavate. Hook, fil. iu FL Br. Ind. V, 716. D. ccespiiosum,
King and Pantling in Joarn. As. Soc. Beng. LXtV, pt. 2, 332.
Sikliim; at elevations of from 5,000 to 7,000 feet; Pantling No. 363; flowering .
during April and May. Khgsia Hills ; Hooker, Mann, Oldham.
T h e sepals and petals ai-o pale green with red nerves. Tho lip is dull brownishpurple,
edged with pale green, and the column is white spotted with purple.
PLATE b^.—BeHdrohium porphyrochilmi, Lindl. A plant, of natural atse. Fig. 1 a flower, in
vrojik, 2 floral bract, stalked ovary, column and lip, mn from the side, 3 petals, 4 lip, 5 column and
its foot, 6 anther, 7 pollinia; all enkrged.
7. DENDROBIUM EEI/EFLOKUH, Griff. Notul . HI , 316.-
Stems erect, many-leaved, tapering froui base to apex, 3 to 6 in. long, about -i in.
thick at the base. Leaves linear-lanceolate, tho apex blunt, oblique, sometimes
DENDEOBIUM. 45
notched; length I'o to 2*5 in,, breadth -25 to -35 in. liaeemcs numerous, leaf-opposed
axillary, slightly longer than the leaves, many-flowered, nodding. Flowers '5 in. across
and about '65 in. long; floral Iract lanceolate, minute, much shorter than the stalked
ovaiy. Sepals—the dorsal lanceolate, acuminate; the lateral pair larger, falcate, with
very broad bases, spreading only slightly. Petals linear, acute, lying parallel above the
column. Lip shorter than the sepals, curved from the narrow base, sessile, broadly
oblong-ovate when spread out, very concave, the side lobes narrow, elongate, pectinateserrate;
the middlo lobe shorter than the side lobes, acute, much recurved, undulate, a
mesial crest running along tlie disc from its base to the insertion of the terminal lobe.
Column long, ha%'ing its foot at a right angle; ncctary lanceolate, large, shallow.
Lip of anllier minutely pectinate. Griff. le. Plant. Asiat. t. 307; Lindl. in Journ.
Linn. Soc. Ill, 19; Hook. fil. Fl. Br. Ind. V, 715; in Ann. Roy. Bot. Gard,, Calc.,
Vol. V, pt. 1, p. 5, t. 7.
Sikkim; at elevations of from 3,000 to 6,000 feet, common; Pantling No. 194.
Ivhasia Hills, common; in flower during September and October.
Specimens from the Kbasia Hills are invariably smaller than those from Sikkim.
The colour of the flowers is of various tints of green, the lip and column being
slightly spotted with dull purple.
PLATE 61,—Dendrobium oriceflorum, Grili. A plant, of natural sise. Fig. 1 a flower, 2 side view
of bract, st-alked ovary, column and lip, 3 lip seen from the front, 4 column and its foot, 5 anther,
6 polliuia; all enlarged.
8. DENDEOBIUM DENUDAN.«, Don Prod. Fl. Nepal. 34.
Stems terete, sub-erect, many-leaved, the lower leaves sometimes early deciduous,
length 6 to 10 in. Leaves narrowly oblong, aeuto or sub-acute, sometimes obliquely
notched, not narrowed to the sheathing base; length 2 to 4 in., breadth -4 to -9
in. Racemes leaf-opposed, slender, decurved, longer than the leaves, many-fiowerod.
Flomrs -5 to -75 in. long; floral braot minute. Sepals subequal, not wide-spreading,
linear, acuminate, falcate. Petals similar to tlie sepals, but smaller. Lip much shorter
than the sepals, decui-ved from tho base, the lower part sub-quadrate (when spread
out) with two long narrow laciniate side lobes; the terminal lobe strongly recurved,
serrate, crisped; the disc with an obscurely 3-liued smooth surface with a triangular
apex ending at the terminal lobe. Column rather long, the margin of the clinandrium
denticulate; foot of the column long, cm-ved, stout, concave, hispid near its extremity,
without nectary. Anther with its lower margin ciHolate. "Wall. Cat. 2014 (U paré);
Liudl. Gen. and Spec. Orchid., 84; in Bot. Reg. 1838, Misc. 156 and 1844, 61; in
Journ, Linn. Soc. Ill, 19; Hook. fil. Fl. Br. ind. V, 715.
Sikkim, at elevations of 3,000 to 5,000 feet; Pantling No. 4. A common plant,
m flower during September and October. Distributed westward to Kamaon.
The flowers of this are pale green or whitish; the lip has a band of radiating
red lines round its crisped or serrate edges, and the foot of tho column is red.
PLATE G2.—Dendrohiu,)i. denudans, Don. A pluut, of mtiiral sise. Fig. 1
profile, 2 floral braot, stalked ovary, column and lip, in profile, 3 the lip, as
4 oolumn and its foot, o an empty anther, 6 pollinia ; all enlarged.
flower,, seen in
seen frcm aoovi-.