94 



PEACTICAL BOTAKY 



the number of lateral twigs on the six-year-old portions of the 

 branches ranged from to 9 and averaged 3.2.1 q^ ^\^q north 

 side of the tree, and somewhat inside its circumference, only 



Fig. 76. Development of leaf bud of pear 



A, a leaf bud of pear in autumn ; B, a leafy shoot derived from A, as seen in 



the middle of the following summer, with flower bud at tip ; C, the fruit spur 



(B) in autumn, after the falling of the leaves. After Percival 



Fig. 77. Fruit bud of pear (same as G of Fig. 76), showing its development 



A, opening in spring; B, later, developing flowers and leaves; C, later still; only 



one flower has produced a fruit, the rest having fallen off. Below it, is a lateral 



bud which will continue the spur next year. After Percival 



1 Average of ten counts. 



