BUDS 



121 



BUDS. 



April 20. The trees are fast coming into leaf. It 

 is a good time for observing the structure of buds, 

 and seeing how they expand. Let us begin by 



FIG. 36. Bud of Sycamore, expanding, with outer scales and inner folded foliage- 

 leaves. 



examining a Sycamore-bud, which is big and of 

 simple structure. 



I gather a Sycamore-bud which is bursting, and the 

 first thing which catches the eye is that it is enveloped 



