LISTERA. 255 
Flowers ‘25 in. long. 
Leaves close to the root, opposite . . . . . 5, Т. brevicaulis. 
Leaves close to the raceme, sub-opposite or 
MM сар DO TS 6. L. alternifolia. 
The whole margin of the lip dentate-pectinate . . . . . . . 7. Д. dentata. 
DUM d ing UE лла oq quei RR os os. 4. „- 82 5 dinde 
1. LisreRA MICRANTHA, Lindl. in Journ. Linn. Soc. I, 176. 
Whole plant 3 to 5 in. high, slender, erect, the stem below the leaves an inch 
or more long, glabrous and bearing a single oblong blunt short sheath. Leaves 
opposite, orbicular-ovate or cuneate-ovate, blunt or sub-acute, sessile, “8 to :5 in. long 
and nearly as broad.  Peduncle twice as long as the stem, minutely puberulous; the 
raceme about half as long as the peduncle, sparsely 4- to 6-flowered. Flowers ‘2 in. 
.long; фгаеф ovate, acute, concave, half as long as the pedicel of the ovary. Sepals 
and petals sub-equal, elliptic, sub-acute, spreading. Zip as long as the sepals, quadrate, 
decurved from the somewhat auriculate base; the apex with three acute unequal lobules, 
the middle much longer than the lateral, upper surface smooth. Column very short, 
straight. Ат е” depressed, its anterior edge truncate, rostellum very short. Capsule 
ovoid-globose. Hook. fil Fl. Br. Ind. VI, 104; Ic. Plantar. t. 2171. 
Sikkim, Lachen and Lachoong Valleys, at elevations of 10,000 to 11,000 feet; 
in flower during July; Hooker, Pantling No. 377. 
The flowers are of rather a pale green, the column alone being whitish. 
Prate 836.—Listera micrantha, Lindl. A plant, of natural size. Fig. 1 front view of a flower, 
2 floral bract, ovary, column with anther in situ, and lip, 9 lip, 4 column with anther tx situ, front 
view, 5 anther, 6 pollinia; ай enlarged, 
2. LisrERA TENUIS, Lindl. in Journ. Linn. Soc. I, 176. 
Whole plant 4 to 6 in. high, the stem bearing a wide loose sheath about half 
way between the root and the leaves. Leaves elliptic-ovate, acute, inserted nearer the 
raceme than the root, sessile, "2 to ‘75 in. long. Raceme glandular-puberulous, 4- to 
8-flowered, about as long as the peduncle. Flowers ‘25 in. long; floral bract membranous, 
narrowly ovate, sub-acute, shorter than the stalked ovary. Sepals and petals sub-equal, 
oblong, sub-acute, connivent, the lateral sepals sometimes acute. Jip longer than the 
sepals and petals, cuneately obcordate, the lobules of the apex rounded, the sinus some- 
what blunt, the upper surface flat with a central dark line, the base with a small pit. 
Column slightly curved, short, rostellum obtuse. Anther papillose, its anterior edge obtuse. 
Hook. fil. Fl. Br. Ind. VI, 104; Ic. Plantar. t. 2169. 
Sikkim, in the Lachen Valley. Bhotan, in the Chumbi Valley; at elevations of 
11,000 to 12,000 feet; in flower during July; Hooker, Pantling No. 378. 
The sepals and petals are of a pale olivaceous green, the lip being pale brown with 
a dark midrib and faint oblique lines proceeding from it to the edges. 
Рглте 337.— Listera tenuis, Lindl. A plant, of natural size. Fig. 1 bract, ovary and flower, side 
view, 2 lip, upper surface, З apex of ovary, column with anther iw siw, the pollinia having been 
removed, 4 anther, 5 pollinia; ай enlarged. 
