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 



st* 



Fig. 270. Fig. 271. 



End of Shoot of the Hop. 

 Fit;. 270. Stipules in their natural position, x3. 

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



axillary bud (ft) on each side of the stem ; st\ st'\ st\ 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. 



