174 
Equal Polygamy. Polyg. iEq. 
Burr. Arctium. Gen. PL 1253. 
Cup globular, with hooked scales bent in at 
the point. 
570. Clot Burr. — A. Lappa. 
Leaves heart-shaped, thornless, on leafstalks. - 
Curtis. IV. 55. Woodville. 15. 
Road-sides, July, B. Common. 
Sawwort. 'Serratula. Gen. PI. 1264. 
Cup somewhat cylindrical, tiled, thornless. 
671 - Common Sawwort. — S. tinctoria. 
Leaves harp-shaped, winged, terminal wing 
the largest ; florets all alike. — Sowerby. 
38. 
Woods and Fields, July, P. Common. 
Obs : 
Stem 3 to \j-eet high^ with promimiit angles : bottom leaves 
ojten very entire, finely serrated. Cup closely tiled, smooth, with 
scales ofi an elegant brown color. 
572. Way llhistle. — S. arv.ensis. 
Leaves toothed, thorny. — Curtis. VI. 57. 
( Car duns arvensis. ) 
Cornfields, Way-sides, July, P. Common. 
Thistle. Carduus. Gen. PI. 1254. 
Cup ovate, tiled, with thorny scales. Recep- 
tacle hairy. 
Spea r 
