to six inches long, cartilaginous, triquetrous, but laterally 
compressed, grooved above, very acute ; the colour a deep 
full green, with a reddish margin. Scape from the centre 
of these leaves, and about equal to them in length, slender, 
curved, purplish, bearing a few bracteas, and terminated by 
a raceme of ten to twelve, handsome, but moderately-sized 
flowers. Calyx of two opposite, broadly-lanceolate, pur- 
plish-green leaves, the lower one formed of two, combined 
and bidentate. Petals white, tinged with pale green, and 
variously spotted with purple; the two lateral ones ovate, 
the lower one, or labellum, cordato-ovate, the base on each 
side spreading into two rounded lobes : the central base or 
disk being occupied by a large, fleshy, orange-coloured 
eo which is’ confluent with the base of the column. 
olumn short, with a broad wing above on each side the 
stigma. Anther-case ovate, imperfectly two-celled. Pol- 
len-masses ovato-globose, attached to a slender rather long 
pedicel with a gland at its base. 
Fig.1. Back view of a Flower. 2. Labellum and Column, 3. Front 
view of the Column from which the Anther has been removed. 4. Anther- 
Case. 5. Pollen-masses :—magnified. 
