INTRODUCTION 



31 



nettle, one of them in flower. So close is the resem- 

 blance that after getting the photograph I went back to 

 the spot on which they were growing to assure myself 

 that there was no mistake. 



There is a remarkable point about some of our 

 forest trees and shrubs, which Vaucher ^ seems to 

 have been the first to notice, namely, that the 



Fig. 15. — Twig of Lime. St, terminal bud ; B, lateral buds. 



terminal buds die, and that very early. Fig. 15 repre- 

 sents a twig of Lime drawn at the end of May ; the 

 terminal bud and stipules (st) are very small, and 

 easily drop off. If a branch be examined a little later, 

 it will be found to be terminated by a scar, left by the 

 true terminal bud, which has dropped away, so that the 

 one which is apparently terminal is really axillary. 

 Fig. 16 represents the end of a shoot of Hornbeam 

 (Carpinus Betulus) taken in July, and shows how 



1 Mim. Soc. de Phys. d d'Hist. Nat. Genkvc, i. 296 (1822). 



