LUISIA. 139 
subequal, spreading, incurved at the apex, lateral obliquely obovate. Petals smaller, 
cuneate oblong, blunt. Тір much longer than the sepals, adnate to the foot of the 
column by a long broad claw, the claw with a rectangularly bent sub-cylindric spur 
at its junction with the apical lobe; side lobes shallow, sub-quadrate; apical lobe with 
three lobules, the two lateral recurved and pectinate, the central triangular, entire or 
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; rostellum 
forked; stigma circular, surrounded by a hairy rim. Anther oblong; pollinia 2, sub-globose, 
caudicle very broad, obcuneate, gland large.—Species 1 or 2, Indian or Chinese. 
ORNITHOCHILUS Fuscus Wall. in Lindl. Gen. and Sp. Orch. 242. 
Leaves 75 to 15 cm., oblong or ovate-lanceolate, obliquely tapering to the acute 
apex and narrowed to the sessile sheathing base, fleshy, shining on both surfaces 
when young, nerves inconspicuous. Jnflorescence two or three times longer than the 
leaves, Flowers 1 em. across; floral bract lanceolate, much shorter than the long- 
stalked ovary. Sepals and petals greenish-yellow, the former with four, and the latter 
with two, broad brown vertical bands. The two pectinate lateral lobules of the mid- 
lobe of the lip are also brown passing into purple below. Capsule fusiform, 2°5 cm. 
long. Hook, f. Fl. Br. Ind. vi, 76; King & Pantling in Ann. R. Bot. Gard, 
Cale. уш, 200, t. 268; Rolfe in Journ. Linn. Soc. xxxvi, 38. 0. eublepharon Hance in 
Journ. Bot, xxii (1884), 364.  Aerides difforme Wall. in Lindl. Gen. and Sp. Orch. 242; 
Sert. Orch. frontisp. fig. 7; Reichb. f. in Gard. Chron. (1865), 698; Lindl. in Journ. 
Linn, Soc. iii, 41; Walp. Ann. vi, 899. A. Hystriz Lindl, in Journ. Linn. Soc, iii, 
42 (not of Gen. and Sp. Orch.). 
Dehra Dun and up to 3,000 feet on the adjacent Mussoorie range, Mackinnon’s, 
collector (Duthie's No. 24190); near the village of Chamussoorie below Landour, Vicary ; 
Garhwál, Falconer; Gori Valley in Kumaon, Duthie’s collector No. 21121. Flowers т 
July. It extends eastwards to Sikkim, Bhutan, the Khasia Hills and Burma. It is 
found also in Moulmein and in China. 
20. Luisia Gaud. 
Epiphytes with rigid terete sheathed stems woody below and usually erect. Leaves 
terete, fleshy, distant, spreading. Flowers usually small and dull coloured, in short extra- 
axillary spikes with stout axes; floral bract short, scarious, persistent. Sepals sub-equal, or 
the decurved dorsal one, smaller. Petals equalling the sepals or much longer, spreading. 
Lip sessile on the base of the column, divided into two parts; the Aypochile saccate 
concave or flat; the epichile decurved, broad and ridged, entire crenate or undulate, more 
or less blunt. Column much shorter than the lip, stout. Stigma usually large. Anther 
broad, 2-celled ; pollinia 2, ovoid or subglobose, attached by а broad caudicle to а sub- 
quadrate or elongate gland. Capsule narrow, ridged, suberect.—Species about 15, mostly 
in Tropical Asia, a few Australian :— 
Leaves long and stout, about 5 mm. in thickness. 
Flowers 10 mm. log وو .^ 9 ¿ ہے‎ « ^» s L Бы 
Flowers 6 mm. long. . . itn S лары у یں‎ MN. 
Leaves slender, 9 mm. or less in chicka 
Flowers 7 mm. long, lip nearly flat .. . сео о. 8 7. brachystachys, 
Fiowers 4 mm. 9m lip with а saccate 2 نے ا سس نے‎ ВЕ o. a 
Ass. Roy. Вот. Gard., Carc, Vor. IX. 
