Vlll] 



VIRGINIAN CREEPER 



113 



are found on them : in such cases the imperfect irrita- 

 bility suggests that these are not fully specialised as 

 tendrils proper. Roots are employed as tendrils by some 



Fig. 50. Shoot of Ampelopsis, Virginian Creeper, climbing by means 

 of branch-tendrils, some of which twine round nails, &c. (Z>), others fasten 

 their tips to the bricks by means of sucker-like dilations (a and c) ; d and 

 e young tendrils (Sa). 



W. V. 



8 



