170 ORCHIDS OF THE SIKKIM-HIMALAYA. 
8. CALANTHE ALPINA, Hook. fil in Lindl. Fol. Orch., 4. 
Pseudo-bulbs sub-cylindrie, tapering at the ends, with two or three annular markings. 
Pseudo-stem very short. Leaves unequal, the lower sheath-like, oblanceolate, sub-acute, 
tapering to the short petiole; length of blade of adult leaf 6 or 7 in., breadth 14 to 
1:8 in.; petiole: 1 to 1:5, (not developed in the younger leaves) Peduncle and raceme 
together longer than the leaves. Raceme 4- or 5-flowered, glabrous. Flowers (to the tip 
of the spur) “75 in. across; floral bract lanceclate, half as long as the stalked ovary, 
Sepals sub-equal, ovate-oblong, acuminate, concave. Petals elliptic-lanceolate, sub-connivent, 
shorter than the sepals. Zip shorter than the sepals, with a cylindric spur nearly as 
long as the ovary, joined to the column about the middle, without lateral lobes, the 
lamina semi-orbicular, its edges deeply incised-fimbriate. Column short, broadly-winged, 
the margin toothed; anther with a small truncate lip; pollinia 8, clavate, attached in 
fours to two caudicles inserted on an ovate gland. Walp. Ann. VI, 913; Hook. fil. 
Fl. Br. Ind. V, 850. | 
Sikkim; in the Lachen Valley, at elevations of 6,000 to 10,000 feet; Sir J. D. 
Hooker; Pantling, No. 388; in flower during July and August. 
The sepals and petals are white tipped with green; the lamina of the lip is dull 
red, its base and the spur being pale yellowish. 
Prate 229.— Calanthe alpina, Hook. fil. A plant; of natural sise. Fig. 1 a flower, 2 bract, ovary, 
column and lip with its spur, seen from the side, 3 lamina of lip, 4 apex of ovary, eolumn and 
anther, 5 anther, 6 pollinia; ай enlarged. 
9. CALANTHE ALISMJEFOLIA, Lindl. Fol. Orch., 8. 
Pseudo-bulbs thin, cylindric, tapering to the apex, with several annular rings, 
somewhat curved, 1 to 2 in. long. Leaves broadly elliptic, shortly acuminate, rather 
abruptly narrowed at the base into a very long channelled petiole, the edges undulate; 
length 5 to 7 in. breadth 2°25 to 3 in. Scape about as long as the leaves, with a 
few distant sheathing bracts; the raceme corymbose and only 1 to 2 in. long, puberulous. 
Flowers “8 in. across (vertically); floral bract large, cordate, acuminate, shorter than the 
shortly-stalked ovary. Sepals sub-equal, sub-orbicular, erecto-patent, externally with short 
coarse purple hairs. Petals sub-rhomboidal, about as large as the sepals, sub-acute. Lip 
obovate, adnate by its base to the column for quite the whole length of the latter, 
3-lobed; the basal lobes narrowly oblong-oblanceolate, obtuse, somewhat falcate, blunt, 
resting on the terminal lobe and pointing forwards; the terminal lobe broad with a large 
lobulate yellow callus at its base; the apex bilobulate, the lobules broad, rounded, and 
with crenulate edges, the sinus deep and apiculate at the bottom; the spur constricted. 
at the neck, long, cylindric, blunt, nearly as long as the ovary and lying parallel to it. 
Column very short, with the callosities of the lip closely applied to it. Anther acuminate. 
Pollinia 8, clavate, attached directly (without a caudicle) to an ovate, acute gland; stigma 
divided into two halves by the entrance to the spur. Capsule narrowly elliptic, °75 
to 1 in. long. Walp. Ann. VI, 918; Hook. fil. Fl. Br. Ind. V, 849. 
Sikkim; in the Terai and near the bottoms of valleys up to 2,000 feet; 
flower dae May and June; Pantling No. 316. Gharwal; Falconer (Kew Distrib » 
Nos. 1055, 1056, Khasia. Hills; неке. fil. and Thomson. 
