REPRODUCTION BY SPROUTS. 



43 



very valuable quality. Young- stumps, as a rule, are 

 much more productive than old ones, although some 

 l)rolitic species, like the Chestnut (see fig. 40), sprout 

 plentifully in old age. Other species, like the Beech, 

 furnish numerous sprouts from young stumps and very 

 few or none at all from old ones, and still others never 

 sprout freely even in early youth. 



