four inches long, linear-oblong, an inch to an inch and a 

 quarter broad, curved, unequally two-lobed at the apex, semi- 

 amplexicaul at the base where it joins the sheath, margins 

 recurved, keeled, obscurely striate, very pale glaucous-green. 

 Floivers leathery in consistence, one or two axillary at the 

 ends of the branches, two inches and a half in diameter, very 

 shortly pedicelled, flat, as if vertically compressed. Sepals 

 and petals nearly equal and similar, linear-oblong, green, 

 tinged and edged with faint red-purple ; upper sepal reflexed ; 

 petals rather twisted. Lip very large, orbicular, bifid at the 

 apex, two-lobed and embracing the top of the column at the 

 base, margin deeply cut into spreading, flexuous, subulate 

 fimbriae, dull purple, dirty green on the disk. Column green, 

 truncate. Pollen-masses at the top of a ligulate caudicle, 

 with an intervening glandular mass. — J. T). H. 



Fig. 1, Lateral, 2, anterior, and 3, posterior view of column. 4 and 5. 

 Lateral and anterior views of pollen-masses and caudicle : — all magnified. 



