108 TALKS AFIELD. 



climbing plants. They include such plants 

 as the briers and brambles, which scramble 

 over bushes by means of hooks or bracing 

 leaves. The root-climbers send out roots, 

 which adhere to trees and walls. These 

 roots shun the light and dive into crevices, 

 where they attach themselves. The poison 

 ivy is a familiar example. The leaf -climbers 

 are not numerous in the Northern States. 

 The most familiar example is the common 

 clematis or virgin's bower, which coils its 

 leaf-stalk about a support, as in Fig. 82. The 

 most interesting of the climbers, however, 

 are the twiners and tendril-bearers, and to 

 them we will turn our attention in a more 

 particular manner. 



Tunner'S. — We will commence with a 

 young plant of the hop. The first two or 

 three " joints," or, more properly, the inter- 

 nodes, as the plant rises from the ground, 

 are upright and stationary. The space be- 

 tween one joint or node of the stem and 

 another is termed an internode, a term which 

 it will be convenient to use. If we watch 

 the young internodes as they grow, above the 

 second and third, we shall notice that they 

 do not stand upright, neither do they remain 

 long in one position. At different times we 



