which is yellowish and keeled on the back; lobes semi- 
circular, each suddenly contracted into a narrow yellow 
obtuse rather flexuous tail about as long as the tube. Petals 
oblong, auricled at the base in front, equalling the column, 
obtusely toothed at the tip. Zp included, claw uncinate ; 
limb tongue-shaped, cordate at the base, apiculate at the tip, 
with two keels down the disk. Column with entire margins.— 
J.D. 
Fig. 1, Pedicel, bract, and flower ; 2, flower with the sepals recurved ; 3, column 
and claw of lip; 4, limb of lip :—all enlarged. 
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