[ '2 ] 



and favourable to the growth of moil 

 branches of the vegetable kingdom. The 

 value of thefe will be eafily found out, 

 by grov^ing on them whatever finds the 

 readieft and quickeft way to market. But 

 there is a much greater number of foils, 

 whofe nature muft be ftudied before any 

 great advantage can be derived from them j 

 and as they are frequently blended to- 

 gether, and in colour and appearance 

 much alike, tho' very different in their 

 quality, it is extremely difficult to de- 

 fcribe them fufficiently in writing. Their 

 temper, as I have hinted in my intro- 

 dud:ion, is beft found out by their own 

 natural produce; by the famples of 

 gralTes, and weeds, which are always to 

 be found on the borders and fkirts of the 

 fields, which always characterize them 

 truly. This makes it elTentially necef- 

 fary that every man fliould ftudy at leaft 



the 



