THE SEEDLING AND YOUNQ PLANT 



73 



young shoots which have by that time ceased to 

 elongate to any considerable extent further they may 

 be seen as small, green, hairy bodies. During the re- 

 mainder of the summer the chief changes going on in 



FIG. 19. A. End of a branch of oak showing the charac- 

 teristic winter buds. B. A group of buds (slightly mag- 

 nified) ; a, bud-scales ; d, leaf -scars, c. The same, in 

 longitudinal section : a, bud-scales (stipules) ; b, young 

 leaves ; c, vascular bundles ; d, leaf -scars. (Prantl and 

 Hartig.) 



these buds is a slow swelling, due to the gradual storing 

 up of nutritive materials in the pith and growing-point 

 and to the slow division of the cells. 



A vertical section through the bud at the end of the 

 autumn shows the following structures (fig. 19, c). A 



