222 



YANDEX. 



Chap. YII. 



but it cannot be predicted whether they alight on the 

 surface which is uppermost in the drawing (fig. 33) and 



Fig. 33. 



Cycnoches ventrhcosum. 

 Flower viewed in its natural dependent position. 



c. column, after the ejection of 

 the pollinium together with 

 the anther. 



/. filament of anther. 



s. stigmatic cavity. 



L, labellum. 



pet. the two lateral petals. 



j sep. sepals. 



then crawl over the margin so as to gnaw the convex 

 surface, and in doing so touch with their abdomens 



