22 
The vegetable SYSTEM. 
arc of a fine green. The Stalk is often brown ; the Flowers are of 
a very delicate crimfon. . 
The Thirties hitherto defcribed have all welted Stalks: There 
follow many which have them naked. The One-flowered Fair 
Thirtle naturally leads to thefe, for the w’eltings of its Stalk are flight 
and inconfiderable. 
GENUS VL 
PIN-THISTLE. 
I X I N E. 
Ckarader of the Genus. 
The Cups are cylindric, and their Scales are broad, but 
terminate in fine Spines, like the Points of the fmallefi: 
Pins. 
PI. 14. 0 a b. 
I. WAY-SIDE PIN-THISTLE. 
Plate 14. Fig. i. 
Common-way Thistle 
Character of the Species. Carduus Arvenfis. 
The Leaves are linear, waved, and deeply pinnatifid. 
This is a Perennial, a weed very hateful to our farmers, common 
among corn, as well as on warte grounds by way-fides ; and flowers 
in Augurt. Its creeping root renders it difficult to be dertroyed, and 
its light downy Seeds fpread it almort univerfally. It grows to a 
yard high j leafy, and full of thorns. The Leaves are of a good green. 
The Stalk is often redifli, and there ufually is a ruddy tindl upon the 
Cups. The Flowers arc crimfon. 
2. THISTLE- 
