large. Petals and sepals lanceolate, nearly uniform, and, as well 
as the labellum, erect, so as almost to close over the column of 
fructification, quite concealing it. Zip broad, oblong or oblong- 
spathulate, applied to the column, but scarcely connate with it, 
which is embraced and almost included in its involute sides; 
three-lobed, lateral /obes ovate, erect, middle or terminal one a 
little reflexed, cordato-subrotund, mucronate; the colour of the 
lip is yellowish-green, spotted or dotted in lines with purple 
within ; and, running nearly the whole length of the disc, are 
three /amelle, a little fimbriated at their termination. Spur 
short, blunt, compressed, incurved, yellow, didymous at the 
apex. Column \ong for the genus, semiterete, furrowed in front, 
yellowish, blotched with rose-colour. Anther-case sunk in the 
apex of the column. Pollen-masses eight, as in the genus. 
Fig. 1. Column ‘and lip in their natural position. 2. Column. 3. Pollen- 
masses. 4, Labellum :—magnified. 
