SACCOLABIUM. ] ORCHIDACE&. 213 



2. S. calceolare, Lindl. in Wall. Cat. 7302 ; F. B. I. vi, 60 ; 

 K. d-.P Ann. R. Bot. Gard. Calc. viii, 225, t 300 ; Duthie id. ix, 

 part 2. 147. Gastrocbilus calceolaria, Don Prod. 32. 



Stem short, pendulous. Leaves 4-10 in. long, narrowly oblong, unequally 

 bifid at the apex, slightly narrowed towards the base. Racemes 

 much shorter than the leaves, corymbose, many-flowered ; peduncle 

 stout, bearing several short shepths. Flowers crowded, f in. across ; 

 floral bracts small, broad and blunt. Sepals and petals pale-grsen 

 with large brownish spots. Sepals unequal, spreading, the dorsal 

 one obovate-oblong ; lateral pair falcately oblong, narrower. Petals. 

 shorter than the sepals, oblong-obovate. Lip adnate to the lower 

 half of the column, the base forming a short wide yellow sac about 

 half as long as the ovary ; side-lobes none ; terminal lobe at right- 

 angles to the sac, semicircular ; its upper surface, except a triangular 

 yellow patch at the base, pure white and covered with hair-like 

 papillae. Column very short and thick. Anther depressed, shortly 

 beaked. Pollinia broadly ovoid-elliptic, attached by a slender 

 caudicle to a small cordate gland. 



Behra Dun (Mackinnon). Flowers in April and May. DISTBJB. : 

 Outer Himalayan ranges from Garhwal eastwards to Sikkim and 

 Bhutan ; also on the Khasia Hills, extending to Burma and the 

 Malay Peninsula. 



3. S. distichum, Lindl. in Journ. Linn. Soc. iii, 4 ; F. B. I. vi, 

 64 ; K. & P. Ann. E. Bot. Gard. Calc. viii, 227, t. 303 ; Duthie 

 id. ix, part 2, 148. 



Stems pendulous, 5-10 in. long, branching, slender, leafy. Leaves - 

 1 in. long, narrowly lanceolate, acuminate, with two or three fine 

 setae from the apex ; base sessile and slightly oblique. Peduncles 

 leaf-opposed, about equalling the loaves in length. Flowers 2-4, 

 in a lax raceme, about J in. in diam., green, irregularly spotted 

 with brown ; floral bracts oblong, subacute. Sepals and petals 

 subequal, oblong, elliptic, obtuse. Lip about as long as the petals^, 

 adnate to lower half of column, the base with a wide blunt sac at 

 right angles to the ovary, its inner surface without hairs or calli ; 

 side-lobes none ; terminal lobe yellow, semicircular, entire, smooth^. 

 flesh}' ; margins deflexed, the base with two blunt conical calli. 

 Column short, broad. Anther shortly beaked in front. Pollinia 

 elliptic ; caudicle long, slender, cylindric, the gland elongate, 

 bifid. Capsule fusiform, about f in. long. 



Northern Oudh, in the Bahraich district (Duthie's collector). Flowers 

 during April and May. DISTRIB. : Outer Himalayan ranges in 



