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teen quarts each, are sufficient, at a time, for a tree from 

 five-and-twenty to thirty feet high ; and the operation is 

 repeated every fourth day, while drought continues. It is 

 an easy matter to overwater plants, for example the beech : 

 an error, by which removed trees sometimes suffer, when 

 they might otherwise have succeeded, and of which I have 

 seen more than one instance, in the present year, 1827. 



On some occasions, I have attempted the watering of 

 entire plants, branches as well as roots, with a good garden- 

 engine ; by which means, it was easy to throw the water, in 

 copious showers, to the tops of our highest trees. But no 

 benefit adequate to the labour was found to result from it. 

 The absorption of dew by the leaves, even in the driest sea- 

 son, added to an absorption by the roots in consequence of 

 abundant waterings, appears quite adequate to continue veg- 

 etation, during the critical period of the first summer. If 

 the introsusception of their food by the roots is not prevented 

 from going forward, there seems little danger in the other 

 parts of the process. 



Gardeners usually recommend, that all artificial waterings 

 shoidd be performed with the watering-pan, as more accu- 

 rately imitating the genial rains, as they descend from the 

 clouds. That this is a superior method, cannot be doubted, 

 and for the nicer business of horticulture, it may in many 

 cases be indispensable. But in field practice, which is often 

 less delicate, and far more extensive, despatch is so vast an 

 object, that such implements as the watering-pan are quite 

 inadmissible. As a proof in how far our field practice has 

 been successful, it may be stated, that, during last summer 

 (1826,) when the severity as well as the continuance of the 

 drought was, it is believed, beyond all example, only one 

 removed tree m more than a hundred died at this place, 

 although several bushes failed, and particularly of the ever- 

 green species ; and to this it may be added, as a very 

 striking circumstance, that more than three-fourths of the 



