THE STEM 



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PLATE 6. A white oak, one of the monarchs of the dicotyl type. The owner of 

 the ground on which this noble tree stands left a clause in his will bequeathing it in 

 perpetuity a territory of 8 feet in every direction from its base. Refer to 89 and 

 decide whether such an amount of standing room is sufficient to secure the preser- 

 vation of this beautiful object. 



