THE SEEDLING AND YOUNG PLANT. 73 



that time ceased to elongate to any considerable extent 

 farther they may be seen as small, green, hairy bodies. 

 During the remainder of the summer the chief changes 

 going on in these buds is a slow swelling, due to the 



FIG. 19. A. End of a branch of oak showing the characteristic winter 

 buds. B. A group of buds (slightly magnified) : a, bud-scales ; d, 

 leaf-scars. C. The same, in longitudinal section : a, bud-scales (stip- 

 ules); &, young leaves; c, vascular bundles; rf, leaf-scars. (Prantl 

 and Hartig.) 



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 

 conical growing-point, consisting of embryonic tissue, 



