[ lOO ] 



in krge fields, and fcarce to be performed even in 

 an inclofed garden. 



EXPERIMENT FIRST, 



^0 a/certain the cffeEls of mowing the Seratula Arvenfts* 



The Hon. Daines Barrington, who is ever anxi- 

 ous to promote ufeful enquiries, defired me to try 

 whether this kind of thiftle could not be deftroyed 

 by mowing. A fmall patch of them, about two 

 feet fquare, was accordingly planted in a good gar- 

 den, in the year 1777. In the courfe of the fum- 

 mer they were mown three feveral times, but with- 

 out any other good effe6t than that of preventing 

 their feeding : for inftead of being deftroyed, the 

 next fpring they came up extremely vigorous, not 

 Only on the bed where they were firft planted, but 

 all around it to the diftance of fix feet. 



EXPERIMENT SECOND, 



To of certain the annual Increaje of the Root of the 

 Seratula Arvenfts. 



April I, 1778, I planted in a garden a piece of 

 the root of this thiftle, about the fize of a goofe- 

 quill, and 2 inches long, with a fmall head of leaves, 

 cut off from the main root, juft as it was fpringing 



out 



