D THE TREE PROPAGATOR AND PLANTER. 



plants to fill it. If the timber trees are left 12 feet 

 apart, there will be about three hundred of them on the 

 acre. If the young Oaks require trimming, it should be 

 done while they are very young, in the spring, and with 



Fig. 4. — A Dartmoor Oak. 



a keen-edged tool, cutting close to the stem, and smooth, 

 so that the cut may heal over in a few weeks, the same 

 spring. 



The Ash-tree. 



There are about 70 species and varieties of the xlsh. 

 It will be observed that some kinds never bear seed, 

 while here and there it is found in abundance on some. 

 This occurs on account of the tribe consisting of two 



