OUCIIIDS OF THE SIKKIM-HIMALAYA.
BIERMASNIA NIMACULATA, K i n g and PantHug,
Stem TOIY short. Leaves linear-obloug, narrowed to the base, sub-falcate, the
apex obliqiiely bifid, 2 in. long, and -JJo in. broad. Raceme stout, "75 in. long, compressed,
and with persistent triangular bracts. Flowers confined to the upper half of
the racliis, distichous, -35 in. in diam.; h-act broad, much shorter than the sessile
ovoi-y. Sepals sub-equal, oTate-lanccolate, apiculate, the lateral pair attached to the foot
of the cohimu. Petals shorter than the Bopals, ovate, sub-aeute. Lip springing at right
angles from the short foot and lying parallel to the column; its side lobes narrow,
elongate, falcate, erect, acuminate at the apex; apical lobe triangular, very fleshy and
•with two flat calli on its upper surftico at the base where the sido lobes end; the
disc between the side lobes with larger elongate calli near its liuion with the foot.
Styim large, llostillim short. 'Folhnia 2, ovoid, the caudicle oblaneeolate; the gland
yary small, ovoid. Capsnle l-ó in. long, triquetrous. Sarcochihis bimaculaius, King and
Pantling in Journ. As. Soc., Beng., Vol. LXIV, Pt. 2, ;340.
Silckim, iu the valley oE the Tecsta, elevation about 1,500 feet; flowering iu July;
Pantling, No. 209.
The flowers arc white with two blotches of brown on the ealli of the lip. They
OJK;!! singly, smell of almonds, and arc very fug-acious.
Pi,\TE 2G7.—BicniMiiiiia bimacukia, Kmg nud Pantling. A plant; of nalurnl size. Fig. 1 a floTvor,
Foeu from the side, 2 bract, ovary, column with imtker in sili< and lip, side view, 3 sopáis and petals,
sepai-ated, 4 lip, 5 column witli auther in situ aud stigma, 6 poUiuia, 7 capsule, 8 section of the capside;
ali enlarged.
42. Ornittochilus, Wall.
Epiphytal, without peudo-bulbs. Stem very short. Leaoes few, softly coriaceous^
broadly oblong, flat, crowded. Injlomcenee supra-axillary, racemose or panicled. Sepals
t!ub-eq\uil, spreading, incurved at the apex; the lateral pair obliquely obovate. Petals
nnich smaller, cuneate-oblong, blunt. Lip much longer than the sepals, adnate to the
foot of the column by a long brosid claw ; the claw with a rectangularly bent snbcyhndric
spui- at its junction with the apical lobe ; side lobes shallow, sub-quadrate ;
apical lobe with three lobules, the two lateral recurved and- pectinate, tlie central
triangular, entire and infolded ; the mouth of the spur closed by two calli projecting
from its back and front walls; the latter hairy. Column short, cylindric, stout, with
a short foot ; the rosteUum forked ; the sti¡jma circular, surrounded by a hairy rim.
Anther oblong. Pollinia 2, sub-globose; caudicle very broad, obcuneate, gland large.
S¡)ccies 1 or 2 ; Indian and Chinese.
ORNITHOCHILUS FUSCÜS, Wall, iu Lindl. Gen. and Spec. Orch., 242.
Leases sub-acute, narrowed to tlie se-ssile sheathing base, 3 to 6 in. long and 1'5
to 2 in. broad. hijlorescence two or thrcse times longer tliau the loaves. Flowers -4
iu. across; floral Iract lanceolate, much sliorter than the long-stalked ovary. Capsule
fusiform, 1 in. long. Hook. iil. Fl. Br. Ind. VI, 7(j 0. euhlepharon, Hancc iu Journ.
liot. XXII (1884), 3G4. M-ides difame, Wall, in Lindl. Gen. and Spec. Orch., 242;
«eit. Urch., Jrontisp. fig. 7 ; Reichb. lU. in Gard. ChroQ., 1805, ()Ü8; Lindl. in Joui-a.
LÜISIA. 20 1
Linn. Soc. Ill, 41; Walp. Ann. VI, 899. A. Mystnx, Lindl. iu Joum. Linn. Soc. Ill,
42 {not of Gen. and Spec. Orch.)
Sikkim, at elevations from 4,000 to 0,000 feet; iu flower during July and August;
Pantling, No. 38. Westward along the range to Ghaiwal and eastward to Bhutan.
Khasia Hills, Burma.
The ground colour of the flowers is greenish-yellow; the sepals and petals have
bold bauds of brown, and the pectinate lateral lobules of the Hp are also brown passing
into pm-ple below.
TLATE 2<iS.—0rmtlicchihi% /vscus, Wfdl. A. ilant; of •natural she. Fig. 1 a flower, side view,
2 vertical section of column spur aud lip, 3 apical lobe of Up, 4 colnnin with imtker in situ, 5 autlier,
0 and 7 pollinia before and aíter removal; ali enlunjcd, (iVos. & and 1 very miic/» so).
43. Luisia, Gaud.
Epiphytal, with a-igid terete sheathed stems woody below, usually erect (pendulous
in L. volv.eris). Leaves terete, fleshy, distant, spreading. Flowers usually small and dull
iu colour, in short extra-axillary spikes with stout axes; floral Iract shoit, scaaious,
persistent. Sepals sub-equal or the depressed dorsal, smaller. Petals equal to the sepals or
much longer, spreading. Lip sessile on the base of the column, divided into two parts;
the hypochilo saccate, concave or flat; and the epicliile decurved, broad aud ridged, entire
or crenate, undulate, more or less blunt. Column much shorter than the lip, stout. Stif/ma
usually laa-ge. Anther broad, 2-cellcd. Pollinia 2, ovoid or sub-globose, attached by a
broad caudicle to a sub-quadrate or elongate gland. Capsule narrow, ridged, sub-erect.
Species about 15; mostly tropical Asiatic, a few Australasian.
Sepals nnd petals sub-eq_ual.
L i p quite entire 1. L. indiiisu.
L i p lobed.
f l o w e r s "4 in. long ; spikes 4- or 5-fiowered 2. L. tñcl orhiía.
Flo-wers -25 in. long ; leaves 2-5 to G in. long S. L. ta-eHMia.
Flowers -15 in. long ; leaves not exceeding 2-5 in. in length . . . If L. incompicua.
Petals two or three times as long as the sepals; flowers 1-75 in. long from
tip to tip of the petals 5. L. xoluetis.
1 . LUISIA INDIVISA, neto specics.
Stem 5 to 7 in. long, rather stout, not branching. Leaves rather long, slender,
spreading, -15 to '2 in. thick, and 4-5 to 5-5 in. long, the intemodes -75 in. long.
Spikes about '2 iu. long, 4- to 5-flowcred. Flowers -4 in. long; floral iract minute,
triangular. Sepals sub-equal, oblong, blunt; the lateral pair somewhat broader and subcymbifoim,
not keeled. Petals narrowly oblong, falcate, sub-acute,. slightly exceeding
the dorsal sepal in length. Lip as long as the sepals, broadly oblong, quite entii-e
except for two triangular indentations near the base, the apes sub-acute; the upper surface
slightly concave at the base, the disc not fui-rowed. Column short, the stigma transversely
elHptic. , • • .
Sikkim, at the base of the range, collected by C. A. B. Anderson ; in flower
during March; Pantling's Drawing No. 470.
AKK. EOT. rOT. GAT.D., C.4LCVTTA, ToL, VIIL