686 CXLVIII. ORCHIDEE. (J. D. Hooker.) [ Oberonia, — 
dorsal sepal orbicular, lateral ovate, petals linear, lip with two basal 
oblong cylindric obtuse ascending horns and a flat quadrate obtusely 
2-fid midlobe. 
PERAK ; at the Kinla River, King’s Collector. 
Stems 6-8 in., tufted, flexuous; roots fibrous. Leaves 1 in., membranous when 
dry. Spike 4-6 in., flowering to the base; flowers reddish, 4; in. 
INDETERMINABLE SPECIES. 
O. GARDNERIANA, Thwaites Enum. 296 (C.P. 593), closely allied to Wightiana, 
but flowers pale red, petals oblong denticulate.— Ceylon, Ambagamowa district, 
Gardner. . 
O. PLATYCAULON, Thwaites (C.P. 3913), in fruit only, is not Wight’s plant of 
that name. 
O. SPIRALIS, Griff. Notul. ii. 275, wants description and locality. 
2. MICROSTYLIS, Nutt. 
Terrestrial or epiphytic, pseudobulbous or not. eaves 1 or more, 
continuous with their sheath. Flowers small, in terminal racemes, resu- 
pinate. Sepals spreading or recurved. Petals as long, slender. Lip 
adnate to the base of the column, usually flat, sides often produced upwards 
beyond the column as broad or long auricles. Column very short, ar 
short spreading arms; anther subterminal, pollinia 4.—Species about 90, 
temperate and tropical. 
* Sides of the lip produced upwards into large auricles. 
T Apex of the lip entire or notched (not serrate or pubescent). 
l. M. Wallichii, Lindl. in Wall. Cat. 1938; Gen. & Sp. Orchid. 25 
leaves 2-4, bracts spreading shorter than the ovary, auricles of the lip acu 
or obtuse, blade with a rounded notched or bifid tip. Ridley in Jour’ 
T d xxiv. 337. Malaxis acuminata, Don Prodr. 29 (note t Herb. 
Q.). 
TEMPERATE and SUBTROPICAL HIMALAYA, alt. 4-7000 ft., from Simla - 
Sikkim. KnasriaA Mrs., alt, 5-6000 ft, J. D. H. T. T. ANDAMAN Lei 
x ura ' TuAYANCONRZ,;, on the Anamallay Hills, Beddome (Ridley). —D1st® . 
/ambodia. tps , 
Stem 2-3 in. Legit a, in., sessile or petioled, ovate-lanceolate, often 2 
coloured. Scape 3-8 in. Fiowers about i in. long, greenish purplish or yellow’ of 
sepals oblong, dorsal 1—3-nerved, lateral 3-5-nerved; petals 3-nerved ; aurie Jant 
lip very variable. The Andaman specimen has an acute lip.—A very variable pian 
if, as I think, the following are varieties, . f li 
Var. omphaloides, Parish; leaves more unequal at the base, auricles of "P 
rounded and overlapping, Ridley l. c. 338. —Moulmein, Parish. d below 
VaR. biloba; b „atf ually longer, pedicels shorter, blade of lip contracte Wall. 
the level of the colman, tip bifid, arms of column larger. M. biloba, Lindl. Ws 19 
Cat. 1940; Gen. & Sp. Orchid. 20; Ridley l. c. 337.—Nepal, &e.— Walhe 
is a mixture of specimens from Kumaon, Nepal and Burma. 
Var, brachycheila; leaves lanceolate, auricles acute, blade very 
forcipate tip.—Moulmein, Parish. 
short with a 
late, 
2. M. khasiana, Hook. f.; leaves 3—4 petioled ovate oF de LOB a o 
bracts spreading equalling the ovary, sepals broad hooded, & 
