ON THE STRUCTURE OF BUDS 



153 



CONIFERS 



The buds of Conifers are constructed on a very 

 different plan. 



That of the Scotch Fir (Pinus sylvestris) (figs. 274, 

 275) is covered by brown, elongated scales, which are 



FIG. 270. Fio. 271. 



END OF SHOOT OF THE HOP. 

 FIG. 270. Stipules in their natural position, x 3. 

 FIG. 271. Lower stipules turned back, exposing a protected leaf (i,) with its 



axillary bud (6) on each side of the stem ; st\ st*, st 3 , stipules at successive 



nodes. 



spirally arranged on the axis, and represent the primary 

 leaves . They rest on a pedestal or base (fig. 273), which 

 in the winter is green, and from which they are easily 

 stripped off, leaving a whitish scar. 



THE 



UNIVERSITY ] 



OF J 



