We have bellowed on this plant the harft 
not bei,kely * getnd s 
pelts* which can affea their corn-fields and paftures. 
Of the Thiftle tribe the greateft part are annual or biennial, prefrat' ■ 'fib ^pulling this plant out o£ 
pemniS, but have power&ly creeping roots -d rf/wholf of it 'hut if thofe 
the ground, we draw up „ a ‘“it^Jroot's fo dra™“p, they will find every one of them broke off at the end, 
p*s"« S\TreXrr -d the y n branches out horizontally under ground. 
To give an idea of its aftonilhing increafe, T e » ° n when 1 ^s > *pape^wa^ delivCTe^to^e^bd^r 
doefft’ p^ene^ate^hat^^^o^era^n^are^he^nly 1 ones which^can well be applied to its dellruaion, and if 
they do not effeaually overcome, they will greatly enfeeble it. 
This fpecies is feen every where by road-fides, too frequently in corn-fields, and more rarely in paftures; i, 
flowers from June to Augujl. 
The Papilio Cardui feeds on its of’ a deep brown 
Xtas if ^ ^ “* ° f WlUCh ^ “ e M yCt 
unacquainted. 
It varies with white flowers, and the leaves have fometimes few or no fpines on dram. 
• April ill, 1778, I planted in a garden a piece of the root of On* ThrOde abooUhe^ae of a {olIowi „ g *j, Urnali root had 
head of leave., cat off from the mam root Jldt » > ■ ™ “I f h= d i" e ff eigh , Jt, feme had even thrown up leaves five feet from the 
thrown on. Ihoot., fe.eral of which had ex. “^‘“1'] .“erfdv^m shout fix inche. under ground, other, had penetrated to the depth 
original root 1 molt of the (hoot, which had thui far “J'S, , h e earth weighed four pounds. In the fpnng of 1779, contrary to my 
of two feet and a half; the whole together when. du | o J ^ b ”Xf°S where the fmfll piece ia, originally planted; there were between so 
=■““ “*= * in “' s tocl ’ tho ” 8h hew “ p “““ My 
extra&ing them. 
