46 



OrHRE.E. 



Chap. II. 



to the air, instead of lying almost hidden at the base of 

 the anther, as in Orchis, and thus kept damp. Never- 

 theless, when a pollininm is removed, the caudicle 

 bends downwards in the course of about six minutes, 

 and, therefore, at an unusually slow, rate ; the upper 



Fis;. 5. 



... \ A 



Ophrys muscifeua, on Fly Opiirys. 



a. author. s. stigma. 



;•,/•. rostella. /. labellum. 



A. Flower viewed in front : the two 

 upper petals are almost cylin- 

 drical and hairy : the two ros- 

 tella stand a little in advance 



of the bases of the anther-cells ; 

 but this is not shown from the 

 foreshortening of the drawing. 

 B. One of the two ]i(illinia removed 

 from its anther-cell, and viewed 

 laterallv. 



end still remaining curved. I formerly thought that 

 it was incapable of any movement, but have been con- 

 vinced by Mr. T. H. Farror of my error. The ball of 

 viscid matter is bathed in lluid within the punch formed 

 by the lower half of the rostellum, and this is necessary. 



