CH. II.] 



THE ROOT. 



115 



sea, and in the same parallel of latitude. I give 

 them, because they demonstrate that a soil equally- 

 light may be much less unproductive in the west 

 than in the east of England, o^^ing to its being better 

 supplied with moisture. 



January 

 Februaiy 

 March 

 April . 

 May . 

 June . 

 July . 

 August 

 September 

 October . 

 November 

 December 



Thetford. 

 0.13 

 0.76 

 1.40 

 0.50 

 1.Q3 

 1.70 

 3.08 

 0.64 

 ■2.90 

 1.43 

 2.53 

 0.75 



Hereford. 

 2.94 

 1.87 

 2.70 

 0.21 

 2.45 

 2.29 

 2.36 

 1.99 

 3.56 

 1.06 

 7.38 

 1.11 



17.05 



29.92 



The brake will not live upon a rich soil : but the 

 next plant to be mentioned, the furze, will live upon 

 rich light land, although it speedily reduces it to 

 steriHty. I think it is a greater exhauster of a soil 

 then any plant native of England. Xor is this diffi- 

 cult of explication ; for being almost destitute of 

 leaves, it has to derive its chief nutriment from the 

 soil, which it does by its widely extending and enor- 



i2 



