*)•}'} 



VANDE.E. 



Chai'. VU. 



but it cannot be predicted whether they alight on the 

 surface wliich i.s upj)ermost in the drawing (lig. oo) and 



Fig. 33. 



Cycnoches vextricosum. 

 Flower viewed in its natural dependent position. 



<. column, after the ejection of s. stigmatic cavitv. 



the pollinium together with L. labelluni. 



the anther. pet. the two lateral ))etals. 



/. filament of anther. scp. sepals. 



tlien crawl over the margin so as to gnaw the convex 

 surface, and in doing so touch with their abdomens 



