MODIFICATION OF THE ORGANS OF PLANTS 81 



terminates in a receptacle of complicated structure 

 which is adapted for the capture of carnivorous 

 nutriment. Degeneration has attended this change, 

 for the modified portion of the leaf is almost 



FIG. IZ.Utricularia intermedia (after Goebel, Pflanzenbiologische Schilder- 



ungen, vol. ii., p. 135). 



The plant has grown from a winter bud of which the remains are visible to the 

 left. The horizontal, assimilating branch bears two pendulous twigs with 

 carnivorous urns. 



entirely without chlorophyll. A carnivorous diet, 

 however, for these plants, is only supplementary to 

 the typical plant nutrition, and therefore the assimi- 

 lative function remains active. 



F 





