232 | ORCHIDS OF THE SIKKIM-HIMALAYA. 
not beaked; pollinia two, broadly ellipsoid or sub-globular, bifid; the caudicle slightly 
thickened near its apex, slender below; gland very large, 2-lobed. Capsule fusiform, 
striate, 1 to 1°5 in. long. Hook. fil. in Ann. Bot. Gard. Cale. Vol. V, 55, t. 82. 
Sikkim, common’ in tropical valleys; in flower during August; Pantling No. 175. 
Assam. 
The sepals and petals are yellow with broad brown bands on the midribs and 
edges; the lip is pale buff, except the apical lobe which is pure white. 
Piare 307.—Cleisostoma brevipes. Hook. fil. А plant, of natural size. Fig. 1 a flower, 2 side view 
of bract, ovary, column, anther and lip, 3 section of the preceding, 4 the bifid callus at the base 
of the column which protrudes into the mouth of the spur, 5 lower surface of anther, 6 apex of 
column after removal of the cap of the anther, showing the pollen masses, the caudicle and the 
gland in situ, 7 pollen-apparatus after removal; ай enlarged. 
3.  CLEISOSTOMA sPICATUM, Lindl. in Bot. Reg. 1847, under t. 32. 
Stem pendulous, as thick as a swan's quill, 6 to 14 in. long. eaves coriaceous, 
oblong, slightly eontracted at the sheathing base; the apex blunt, shortly unequally and 
broadly bifid, length 4 to 6 in., breadth 12 to 14 in. ` Inflorescence pendulous, leaf- 
opposed, about as long as the adult leaves; its peduncle stout, short, with a small wide 
annular sheath at the base; the raceme densely-flowered. Flowers 74 in. long and “95 in. 
across; floral bract lanceolate, much shorter than the puberulous ovary. Араз sub. equal, 
broadly elliptic, the dorsal concave; the lateral pair spreadiag like the smaller sub-obovate- 
oblong petals. Lip longer than the sepals, adnate wholly to the sides of the column, 
consisting chiefly of an infundibuliform spur, dilated, compressed and minutely 3-notched 
at the apex; the mouth with very narrow erose side lobes; the interior contracted at 
two points by cali on the front and back walls; the posterior callus divided into 
two triangular recurved teeth; dorsal scale none; the apical lobe thick, triangular-ovate, 
acute. Anther depressed, long-beaked; pollinia two, globose; caudicle somewhat dilated 
near the apex; the gland minute, elongate, emarginate. Hook. fil. Fl. Br. Ind. VI, 72; 
in Aun. Bot. Gard. Cale. V, 55, t. 83. Sarcanthus densiflorus, Par. and Reichb. fil. in 
Trans. Linn. бос. ХХХ, 136. Saccolabium densiflorum, Lindl. in Wall. Cat. 7311; Gen. 
and Spec. Orch. 220; in Bot. Reg. 1838, Mise. 56. rides densiflorum, Wall. MSS. 
Sikkim, in the vy of the T'eesta, at an elevation of 1,000 feet; in flower during 
June; Pantling No. 169. Tenasserim; Parish. Penang; Wallich, ne: Perak ; 
Scortechini, No. 2075. Borneo. 
The flowers are yellow, mottled and waded with brownish-purple; the column is 
white. 
Рілте 311.—Cl-isostoma spicatum, Lindl. A plant, of natural size. Fig: 1 a flower, 2 bract, ovary, 
column, anther and lip, seen from the side, 3 section of the foregoing, 4 the callus on the dorsal 
wall of the spur, б apex of the column with the anther in situ, the stigma (s) 6 the sarhe with the 
eap of the anther taken off, 7 the pollinia removed; all enlarged. 
4. CLEISOSTOMA WENDLANDORUM, Reichb. fil in Otto and Dietr. Algem. 
Gartenzeit, 1856, 219. 
Stem very short. Leaves crowded, NER somewhat keeled, oblong, fw and 
obliquely 2-lobed at the apex, slightly narrowed at the base, sessile, to 9 in. long and 
