148 TENDRIL-BB4EERS. Chap. IV, 



week or two shriuks into the finest thread, withers and 



Fig. 11. 

 Ampelopsie liedera/cea* 



A. Tendril fblly developed, with a young leaf on the opposite side of the stem. 



B. Older tendrU, several weeks after its attachment to a wall, with the branches 

 thickened and splraUy contracted, and with the extremities developed into discs. 

 The unattached brunches of this tendril have withered and dropped off. 



drops off. An attached tendril, on the other hand, 

 contracts spirally, and thus becomes highly elastic, so 



