BUDS AND BRANCHES 99 
flower bud contains a good many blossoms, only one fruit is 
generally produced from each bud. In cherries a single bud 
produces a cluster of fruits. Why ? 
Fic. 88. 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 as 
it appears in autumn, after the falling of the leaves 
Fic. 84. Fruit bud of pear (same as C of fig. 83), 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 without maturing, 
and below is a lateral mixed bud which will continue the spur next year 
