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 ? 



A B 



FIG. 83. Development of leaf bud of pear 



A, a leaf bud of pear iu 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 



FIG. 84. Fruit bud of pear (same as C of fig. 88), showing its development 



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



one flower has produced a fruit, the rest having fallen off without maturing, 



and below is a lateral mixed hud which will continue the spur next year 



