Pacnysroma. | ORCHIDACE A. © 191 
broad, its upper half winged. Pollinia clavate, attached in pairs 
to two small membranes. Capsule about { in. long, ellipsoid. 
Dehra Dun (Mackinnon, Gamble, Duthie). Flowers June-Aug. 
DistriB.: Outer ranges of the Garhwal and Kumaon Himalaya 
up to 4,000 ft., and eastwards to Nepal, Sikkim and Bhutan; also 
on the Khasia Hills, in Chota Nagpur, Chittagong, Konkan and 
Kanara, and south to 8. India and Ceylon; extending to the Anda- 
man Islands, Burma, Malay Pen., China, Pacific Islands and Aus- 
tralia. 
2. P. articulata, Lindl. in Wall. Cat. 1992, var. Griffithii, K.4: P. 
in Ann. R. Bot. Card. Calc. viii, 147, t. 204 ; Duthie id. ix, pt. 2. 
116. P. Griffithii, Hook. f. Ic. Pl. t. 1881; F. B. I. v, 845. 
Internodes of pointed stems terete, slightly furrowed, 3-5 in. long, the 
nodes bearing a few short broad scarious sheaths. Leaves 2, narrowly 
oblong-lanceolate, 3-4 in. long, tapering at each end. Racemes 
1-2 in. long, decurved ; peduncles from the top of the pseudobulbs ; 
rhachis flexuose ; floral bracts } in. long, oblong, obtuse, pale-brown. 
Flowers white tinged with brown and pink. Sepals } in. long, the 
dorsal one broadly ovate or suborbicular; lateral ovate-lanceolate, 
5-nerved. Petals elliptic-lanceolate. Lip cymbiform, with a didy- 
mous terminal lobe; side-lobes none; base with 5 lamellate nerves. 
Column suborbicular; rostellum ovate-acuminate. Pollinia sub- 
globose. 
Dehra Dun, on sal trees (Mackinnon Gamble). Duisrrisp.: Outer 
ranges of Garhwal Himalaya up to 4,000 ft. and eastwards to Sikkim 
and the Khasia Hills. This plant is similar in most respects to the 
type, but smaller in all its parts, and the leaves are much narrower. 
7, PACHYSTOMA, Blume; F). Brit. Ind. v, 811. 
Terrestrial herbs with rather thick rhizomes. Leaves solitary 
or in pairs, usually appearing after the flowers, long, narrow, 
many-nerved. Flowers rather small, pendulous, white or pale- 
purple, puberulous, in racemes or on long pale scapes with clasping 
striate sheaths; bracts often large and scarious. Sepals unequal, 
the dorsal one blunt, lateral subacute. Petals narrow, spathulate. 
Lip sessile on the footless column, erect ; side-lobes oblong, acute ; 
terminal small; disk with 3-5 deeply crested and fimbriate ridges. 
Column slender, clavate above. Anther dorsal; pollinia 8, pyri- 
form, waxy, adhering to a single membrane.—Species 6-8, in 
India, Malaya and Africa. 
