INCONSPICUOUS AND RARELY CULTIVATED ORCHIDS. 149 



discoverea by Humboldt near Pasto at an elevation of 9,000 ft. The 

 flowers, which are borne singly on slender pedicels, are" nearly i in. in 

 length, the petals and dorsal sepal are lance- shaped, attenuated into 



Fig. 78. — Pledrothallis ornata. (Magnifikd eight times.) 



slender tails, which have a remarkable resemblance to the antenn* of 

 some butterfly. The conspicuous lateral sepals are coherent, boat-shaped, 

 and of a yellow colour, dotted with red-purple. Bcstrcpia clcgans is 



