44 THE WOODLOT. 



FIGURE 8. 



Diagram of Stand ix Middlesex County, Mass. 



A stand of White Pine mixed with Gray Birch. Ago, 25 to 30 years; diame^e 

 4 to 7 inches; heights, 30 to 35 feet. The treatment is the removal of inferior tr< 

 which are crowding the better individuals. The Gray Birches, besides having aim* 

 reached their maturity, are crowding the more valuable Pines. White Pines 2, 

 and 5 should be cut to relieve 1, 4, and 6; 9 to relieve 8 and 10; 11, 12, and 14 becai 

 they are either overtopped or falling behind. Gray Birches 1, 2, and 3 should 

 taken out to release the better trees which they are crowding. 



