100 



BUDS AND STIPULES 



verse section (fig. 143) the young leaf-blades are pro- 

 tected by three stipules, two belonging to the outer leaf, 

 the third to that next following. 



Here, therefore, though the main protection is 

 afforded by stipules, the leaf-stalk and leaf-blade of an 

 older leaf sometimes take a part in it. 



Fig. 149. 



Fig. 150. 



Fig. 151. 



Magnolia Yulan, x 2. 



Fig. 149. Shows uppermost leaf with its stipules protecting the terminal bud 

 in autumn ; b, bud in tfce axil of the next lower leaf which has fallen. 



Fig. 150 . Second stage, shows aborted leaf, a, the stipules of which protect 

 the winter-bud. 



Fig. 151. Side view of same. 



The second pair of stipules (fig. 147) of the more 

 typical lateral buds are free, unequal, imbricate, and 

 completely cover their own leaf and two out of the three 

 sides of the more or less trigonous bud. The outer stipule 



