( 3i ) 



larger ftack than any quantity of hay that 

 could have been raifed from the fame piece of 

 land by the art and induftry of man. The roots, 

 in light foils, run in a moil aftonilhiag manner, 

 much more than I thought pofllble, until I faw 

 the above-mentioned field. I was told how- 

 ever, that it had been fown with what had been 

 called rye-grafs feed, and that the farmer had 

 likewife fold as fuch the feed produced from 

 it. No wonder twitch is fo common ! I do 

 not fuppofe one fingle acre of rye-grafs in the 

 kingdom is to be found without it; becaufe fo 

 little care is taken in felecting the feed, in the 

 choice of which much knowledge and great 

 circumfpection are neceflary. Rye-grafs is a 

 very fine grafs with a fmall bufhy root, full of 

 fibres, but fhort ; and, when the land is plough- 

 ed up and fown with corn, may be deftroyed 

 with as much eafe as clover. But as it feeds 

 every year, there will undoubtedly be much of 

 the feed flied, which will appear in the enfuing 

 crops. 



Rye-grafs is thought to impoverifh land ; 



but (allowing this to be true, which in many 



cafes may be owing to the quantity of twitch 



fown with it) the returns, and the great quan- 



Vol, I. L tity 



