48 



ONCIDIUM. 



in other localities on the Andes of Ecuador and New Granada; in 

 the last named country it has been found on all the three Cordilleras 

 at 1,000 — 3j000 feet elevation growing on old trees more or less 

 exposed to direct sunlight. 



Oncidium Kramerianum. 



The flowers of Oncidium Kramerianum mucli resemble those of the 

 well-known "Butterfly Orchid'' On. Pajjilio, the peculiar structure of 

 which we have pointed out under that species, and from which On. 

 Kramerianum may be chiefly distinguished by the following characters 

 which, so far as our observations have extended, are tolerably 



