HABENARIA. ] OECHIDACEM. 223 



R. Bot. Card. Calc. ix, part 2, 178, t. 128. H. gigantea, 

 Don. Prod. 24. Platanthera Susannse, Lindl. ; Cooke Fl. Bomb. 

 ft, 71 3. Orchis Susannae, Linn. 



Height of plant about 2 ft. Tubers elongate, 3-4 in. long. Stem stout 

 with many blunt funnel-shaped sheaths on its lower portion. Leaves 

 2-6 in. long, ovate-oblong, obtuse, the upper ones bract-like, acunmi- 

 nate, imbricate. Raceme 3-5-fld. ; floral bracts longer than the ovary, 

 cucullate, acuminate. Flowers subsessile, 3-4 in. in diam. white 

 tinged with gre3nish-yellow, fragrant. Sepals very broad, spreading, 

 the dorsal one suborbicular, about 1 J in. long and broad ; lateral 

 pair 1 J in. long, obliquely oblong, obtuse. Petals J in. long, linear 

 falcate, acute, fleshy. Lip 3-lobed, about as long as the sepals, 

 fleshy ; side-lobes very broad, truncate, deeply pectinate ; midlobe 

 linear-spathulate, with recurved margins. Spur slender more than 

 twice the length of the elongate ovary. Anther very broad, cells 

 divergent ; tubes long, adnate to the sides of the column. Pollinia 

 linear, curved, yellow, about as long as their white flexuous caudiclos ; 

 glands ovoid, white. Staminodes linear-oblong, with crisped margins. 

 Stigma on the front of the column. Capsule with pedical 2 in. long, 

 ellipsoid, beaked. 



Siwalik range (Royle). Flowers July-Sep. DISTRIB. : Outer Hima- 

 layan ranges in Garhwal and Kumaon up to 6,000 ft. ; Chota Nagpur 

 and in the hilly districts of Bombay and S. India, extending to 

 Burma, China and the Malay Archipelago. 

 3. H. longifolia. Buck.- Ham. in Lindl. Gen. & Sp. Orch. 324 ; 



F. B. I. vi, 141 ; Prain Beng. PL 1032 ; Duthie Ann. E. Bot. Gard. 



Calc. ix, part 2, 181. H. trapezoidea, Falc. mss. 



Stem 10-18 in. high, slender, leafy. Leaves 3-5 In. long, scattered 

 erect, linear, acuminate, smaller upwards. Spike 2-2J in. long, 

 few and laxly fld. ; floral bracts linear, acuminate, longer than the 



* slender beaked ovary. Flowers medium-sized, white. Sepals 

 minute, the lateral 'pair J in. long, oblong -lanceolate, 3-nerved, 

 larger than the dorsal one. Petals gibbously ovate, as long as the 

 dorsal sepal, 3-nerved. Lip flabelliform, J-f in. long and broad ; 

 side-lobes semicircular, entire ; midlobe linear, shorter than the 

 side-lobes. Spur slender, twice as long as the ovary, green. Anther 

 beaked, cells parallel ; tubes incurved. Stigmatic processes short, 

 clavate, incurved towards the mouth of the spur. Rostellum long, 

 erect, spathulate. 



Siwalik range, on the Mohand Pass (" Portus Kheree ") Royle. DIS- 

 TRIB. : N. Bengal at Nathpur in Purnea (Buch.-Hamilton). I have 

 seen no living or herbarium specimens of this plant. 



