20 A I'RIMKR OK KORKSTRY. 



are of the same aire. At the end of thirty-five years, 

 when the whole woodlot has been cut over, the thirty- 

 live part> form a series of even-a^ed oToups of sprouts 



PH.. LI. Yellow poplar sprout fun-M in Mary la ml. 



from 1 to .\'t years old. Kvery year the sj)i > oiits on 

 part reach the a^e of :-\~> ye;irs and are ready for cult in^'. 

 Sini|>le Coppice is a very useful silvicultunil system, 

 and the ea-ic-i of all to ai>ply. The chief requirements 

 for it- SUCCessare ^-nod reproduction from the stumps, 



