154 



BUDS AND STIPULES 



The bud may be divided into three parts. The 

 lower, which occupies from one-fifth to one-tenth of 

 the length, is somewhat narrower than the rest. No 

 needles are developed on this part of the bud. The 



Sc 



Fig. 272. 



o 



Fig. 273. 



Scotch Fir (Pinus sylvestris). 



Fig. 272. Fragment of terminal bud representing seven tiers of scales of the winter- 

 bud, x 6 ; He, three scales with their fringed membranous margin, the rest have 

 been removed ; 6, persistent bases of scales ; I, buds of secondary leaves in the 

 axils of the primary. 



Pig. 273. A detached scale-base. 



middle portion is the longest, and when the brown 

 portion of the primary leaves has been stripped off 

 has, from their spiral arrangement, very much the 



