232 0ECHID3 OF THE SIEOM-HIMALATA.
not bciikcd; polUnia two, broadly ellipsoid or sub-globular, bifid; the caudicic slightly
tliickcucd near its apex, slender below; gland very large, 2-lobed. Ciipsuìc fusiforDi»
striato, 1 to 1-5 in. long. Hook. fil. iu Ann. 13ot. Gard. Cale. Vol. V, 53, t. 82.
Sikkim, common in tropical Talleys; in flower dm-ing August; Pantliug No. 175.
Assam.
T h e sepals aud petals are yellow with broad brown bands on the midribs and
edges ; the lip is palo buff, except the apical lobe -which is pm'c white.
PLATE 307.—C^e/mioma irevjjcs. Hook. fil. A plant, o/ iiafnrai sise. Fig. 1 a flower, 2 side TÌEW
of braot, ovaiy, column, antlier nnd lip, 3 section of the preceding, 4 tlio bifid cdlus at the base
of tlie column wliidi protrudes into tho mouth of the spur, 5 lower surface of imthcr, 6 apes of
column niter removal of the cap of the nather, stowing the pollen masses, the caudide and the
gliuid IU siiu, 7 pollen-apparatus after removal; all enlarged.
3. CLEISOSTOMA SPICATU.\X. Lindi, in Bot. Reg. 1847, under t. 32.
Stem pendulous, as thick as a swan's quill, 6 to l i in. long. Leaves coriaceous,
obloug, slightly contmcted at the slicathing base; the apex blunt, shortly unequally aud
b r o a d l y bifid, length 4 to 6 in., breadth 1-2 to l i in. In/lm-escence pendulous, Icafopposod,
about as long as the adult leaves; its peduncle stout, short, with a small wide
a n n u l a r slieath at the base; the raceme densely-flowered. Flowers -4 in. long aud -25 in.
across; Jloral Iract iaoceolate, much shorter than the pubei-ulous orary. Sipais sub-equal,
b r o a d l y elliptic, the dorsal concave; the lateral pair spreading like the smaller sub-obovateoblong
iTetals. L!p longer than the sepals, adnate wholly to the sides of the column,
consisting chiefly of au infundibidiform spur-, dilated, compressed and minutely 3-notched
a t the apex; the mouth with very narrow erose side lobes; the interior contracted at
two points by calli on the front and back M'alls ; the posterior callus divided into
two triangular recui-vcd teeth; doi-sal scale none; the apical lobe thick, triangular-ovate,
aeiite. AntJter depressed, long-beaked; polUnia two, globose; caudicle somewhat dilated
near the apex; the gland minute, elongate, emarginate. Hook. fil. Fl. Er. Ind. VI, 72;
i n Ann. Bot. Gai-d. Cale. V, 55, t. 83. Sarcanthm densijlorus, Par. and Reichb. fil. in
T r a n s . Liun. Soc. XXX, 136. Saccolabium densijlorum, Lindi, in Wall. Cat. 7311; Gen.
a n d Spec. Orch. 220; in Bot. Reg. 1838, Misc. 56. brides densijlorum, Wall MSS.
Sikkim, in the valley of the Teesta, at an elevation of 1,000 feet; in flower dming
J i m e ; Pantling No. 169. Tenasserim ; Parish. Penang ; "Wallich, liing. Perak ;
Scortechiui, No. 2075. Borneo.
The flowers are yellow, mottled and banded with brownish-purple ; the colunm is
white.
PÍATE 311.—Ckisosioma spicatim. Lindi. A plant, of naUiral size. Fig. 1 a flower, 2 bract, ovary,
column, anther and lip, seen fi-om the side, 3 section of the foregoing, 4 the callus on the dorsal
waO of the spur, 6 apes of the column with the anther in sita, the stigma (s), 6 the same with the
cap of the anther taken ofi, 7 the pollinia removed; all enlarged.
4. CLEISOSTOMA "WENDLANDOEUM, Reichb. fil. in Otto and Dietr. Algem.
G a r t e n z e i t , 1856, 219.
Stem very short. Leaves crowdcd, pendulous, somewhat keeled, oblong, obtuse and
obliquely 2-lobed at the apes, slightly narrowed at the base, sessile, 5 to 9 in. long and
CLEISOSTOMA. 23 3
•9 to 1-35 in. broad. Panicles rigid, about half as long as the leaves, axillary, stout,
u s u a l l y 3-branched; the branches unequal, spikate. Floivers numerous, somewhat crowded,
•25 in. across; floral h-act minute, triangular. Sepah and petals sub-equal, obovate-elliptic
t o sub-orhicidar, bhmt, concave, spreading; the dorsal sepal arching over the column, and
t h e latei-al pair embracing the sac of the lip. Lip slightly longer than the sepals and
p e t a l s ; tho base with a wide short sub-globose spur as long as the ovary, its cavity
contracted at the mouth by two pointed Hesliy csilli, the ajaterior callus larger than tho
posterior (or columnar) one; side lobes naiTOw, truncate, obscm-e; apical lobe fleshy,
reniform. Column stout bearing a semi-oircular erose scale; rostellum large, pointed and
p r o j e c t i n g forwards; pollinia two, sub-globose, grooved; tlie caudicle strap-shaped, slightly
narrowed at each end, gland V-shaped. Capmle linear-oblong, -85 in. long, Hook. fil.
F l . Br. Ind. VI, 74; Hook. fil. in. Ann. Bot. Gard. Calc. V, 57, t, 85. C. calJomm,
Reichb. fil. m Booplandia {not of Blume). Pomatoealpa spicatum, Kulil and Hasselt ex
Reichb. fil. in Dietr. Algem. Gartenzeit, 1. c.
Silddm, in tropical valleys ascending to elevations of 1,500 feet; in flower diu'ing
May and Jime; Pantliug No. 135. Cachar; Keeuan. Tenasserim; Parish. Andaman
I s l a n d s ; Berkeley, Kiu'z, King's Collectors.
T h e groimd-colom- of the flowers is pale yellow, flushed with pink about the neck
of the spui-. The apical lobe of tlie lip has two bright red spots.
PLATE ZQd.—Cleisosloma Wcndlmnlorum, Reichb. fil. A plant, of natural me. Fig. 1 front view of
a flower, 2 floi-al bract, ovary, and flower in profile, 3 column, profile uaio, and lip with the anther in situ,
4 longitudiii.ll BOctiou of the pi'ece<ling, o empty anther, 6 and 7 views of the pollmia, the latter with the
caudicle flattened out to show the outline—uU enhnjud-, 8 young capsule; of natural size.
0. CLEISOSTOJIA BAMBUSAEUJI, King and Pantling.
Stem none or very short. Leaves fleshy, linear-oblong, acute, keeled and channelled,
s l i g h t l y narrowed to the base; length 1-5 to 4-5 in., breadth -25 to -3 iu. Inflorescence
pendulous, equalling or exceeding the leaves in length; its peduncle with three or fouis
h e a t h i n g bracts; raceme about 12-flowered, its i-aehis thiclcer than the peduncle. Flowers
•35 to -45 in. across; floral Iract lanceolate, more than half as long as the ovary. Sepals
sub-eqxml; the dorsal siib-orbicular, very concave; the lateral pair broadly ovate with broad
bases, sub-acute. Petals obovate-rotund, clawed, sliorter than the sepals. Lip with a wide
spur more than half as long as the ovary, its apex dilated and truncate; the dorsal plate
or scale tliin, its apex resting on the thickened callus on the anterior wall; the mouth with
short sub-quadrate erect lobes; apical lobe of Hp ver y thick, triangular-ovate, acute, with a
convexity in tho middle. Column short, with a short incuiwed fleshy arm on each side of
t h e rostellum; polUnia two, ellipsoid, compressed; the caudicle dilat-ed and bifid at the apex,
t a p e r i n g to the small minute cordate gland. Sarcanthus hambusarum, K i n g and Pantling
i u Joui-n. As. Soc. Beng,, Vol. LXV, Pt. 2, 124.
Bhotan, at tlie Rumpti Lake below Nimbong; elevation 1,500 feet; in flower dui-ing
May; Pantling No. 211.
T h e dorsal sepal is bro\vn extenially, flushed with yellow ; internally it is buff •
coloured; the lateral sepals and petals are buff; the lip is also buíí ou the upper sui-face,
w i t h some brown streaks on the side lobes aud a bold patch of yellow on the apical
lobe.
. Cov. BUT. GAKB., CAI.CCITA, YOL. VIII,