LISTERA. ai | 257 
5. LisrERA BREVICAULIS, King and Pantling in Journ. As. Soc. Bong. Ф 
| Vol. LXV, pt. 2, 126. 
. Whole duse 6 to 9 in. high; the rather stout stem bearing, quite close to the 
ground, a pair of unequal ovate-rotund acute leaves '8 to 1 in. long; the peduncle 
of the inflorescence as long as the raceme, sparsely puberulous and bearing two distant 
linear-lanceolate bracts “5 in. long. Маселе 3 to 4 in. long, puberulous, with 12 to 16 
scattered flowers ‘25 in. long; foral bract ovate-lanceolate, acute, longer than the pedicel 
of the ovary. Sepals and petals sub-equal, shorter than the lip, lanceolate, acute, 
sub-connivent. Lip fleshy, obcordate and with a thickened mesial line throughout its 
entire length; the apical lobes divergent, broad and blunt, their edges recurved and 
meeting underneath, the sinus wide, the base much narrowed and with two conical 
forward-pointing teeth at its junction with the short curved column. 
Sikkim, in the Lachen Valley; elevation 9,000 feet; flowering in July; Pantling 
No. 392. 
. The flowers are of a dull olivaceous green throughout, the central ridge of the 
lip alone being brown. 
Prate 340.—Listera brevicaulis, King and Pantling. A plant, of natural sise. Fig. 1 a flower, 
in profile, 2 bract, ovary, column with anther im situ and lip, side view, 3 lip, spread out, 4 lower 
surface of anther; all enlarged. 
6. LisrERA ALTERNIFOLIA, King and Pantling in Journ. As. Soc. Beng., 
Vol. LXV, pt. 2, 126. 
Height of entire plant 8 to 10 in. Siem glabrous, 4 to 6 in. long, sheathed at 
the base by & blunt oblanceolate bract nearly 2 in. long, and bearing near its apex 
two alternate or sub-opposite more or less obovate or elliptic leaves '5 to “б in. 
long.  Peduncle puberulous ; ; raceme bearing seven to nine. distant nodding olive- 
green flowers nearly ‘25 in. across; floral bract lanceolate, about as long as the 
slender pedicel of the ovary. Sepals lanceolate, spreading, sik O Petals narrowly 
oblong, blunt. Zip rather longer than the sepals, oblanceolate-oblong, with a thickened 
central line from base to apex, the apex blunt and shortly 2-lobed, the sinus short, 
the margins ciliolate, (Ше base broad and with a wart-like callus at each side. 
Column short, stout, curved. Anther depressed, blunt. 
Sikkim, Lachen Valley, elevation about 10,000 feet; in flower in July; Pantling | 
No. 390. 
A species of which the leaves are usually alternate, whereas in all other species 
of the genus they are invariably opposite. 
The flowers are of a nearly uniform green colour. 
Prate 341.—Listera alternifolia, King and Pantling. A plant, of natural size. Fig. 1 a flower, 
2 bract, ovary, column with anther in situ and lip, side view, 3 lip, 4 column with anther in situ, 
5 anther, 6 pollinia; ай enlarged. 
7. LasTERA DENTATA, new species. 
Whole plant 8 to 12 in. high; the stem forming three-fourths of the whole, 
glabrous, and bearing near its base two unequal sheaths “5 to 155 iu. long. Leaves 
Axx. Ror. Bor. Garn, Олісстта, Vou. VIII. 
