POLLINATION: HETEROSPORY. 



361 



661. Cyprlpedium or lady-slipper. — One species of llie lady-slipper is 

 shown in fig. 465. The labellum in this genus is shaped like a shoe, as one 



Fig. 458. 

 A group of jacks. 



can see b}- the section of the flower in fiij. 465. The stigma is situated at st, 

 while the anther is situated at a, upon the style. The insect enters about 

 the middle of the boat-shaped labellum. In going out it passes up and out 



