126 



Moore : The study of winter buds 



season, H 



pushed out en masse, indicates that there are no new additions. 

 The organization of a terminal bud and axillary buds as soon as 

 the leaves unfold tends to substantiate this view. 



In a consideration of the number of leaves in the buds of 

 Qiiercus alba neither the gross nor the microscopic study was en- 



mm. 



N 



D 



Ja 



F 



Mr 



Ap 



My 



Je 



Figure B, Syringa vulgaris. Curves of growth of the buds in length and 

 diameter. 



tirely satisfactory. The leaves are not only exceedingly minute 

 but they are densely covered with hairs which render sectioning 

 difficult. Complete sections were too few to be of value in deter- 

 mining the actual number of leaves in the bud, but the unbroken 

 vegetative points were more often secured and their study would 

 indicate an approach, at least, to the full number of leaves. This 



