174 GERMINATION 



There are, as you know, several kinds of Ivy. Most, 

 but not all, of the varieties have their leaves in Series. 

 Figure 116 is one common to our gardens : 



Ivy 1,eaves — in Series. 

 While the next is, I believe, an importation from Japan. 



Ivy Leaves — in Series. 



I daresay many other examples could be found, but the 

 Series connection is comparatively rare. This may be 

 owing to a greater quantity of current being necessary to 

 the tree or plant than the Series method would allow. 

 Series-parallel, on the other hand, offers facilities for adjust- 

 ment and it is therefore, not surprising to find it largely 

 exemplified in fruits, flowers, and leaves. 



The next illustrations are of Fuchsias, the first an old 

 favourite : 



