34 



GENEKAL PIIINCIPLES. 



old; C and Z>, spurs. Fig. 19 is a fruit-spur from older 

 wood. The wood-lnid in the centre of tliese groups of 

 buds on the spur enables them to increase m length every 



Fig. 16. 



Fi;,^ 17, 



Fig. 15, a slender fruit-branch of the peach ; all the buds except A and B, and 



the terminal one, are fruit-buds. Fig. l(i, branch of the cherry ; A, two-year-old 



wood ; B, oue year; Cand Z>, fruit-spurs. Fig. 17, fruit-spur of the cheriy; the 



bud A^ in the center of the group, is a wood-bud. 



season. New buds are produced to replace those that 

 bear, and so the spurs continue fruitful for several years, 



