ON THE FOKMS OF STIPULES 165 



quite leafy, and supplement the area of the foliage. 

 This is, doubtless, an advantage, as the leaves them- 

 selves do not by any means utilise the area at their 

 disposal, as do those of the Lime, Beech, or Elm. 



FIG. 291. KIBES SANGUIXKUM. 

 A fourth stage, showing stipules reduced to an adnate sheath, S. 



Only smaller leaves and stipules have any relation 

 to the winter-bud, the small size of which implies that 

 relatively few leaves can at this time be developed. The 

 nower-buds in the members of the Roscwece are usually 



