FLOWERING PLANTS. 81 



CNICUS, Hoff. 



C. lanceolatus, Hoff. Spear Thistle. 7 9. Common on banks 

 and waste ground. 



C. palustris, Hoff. Marsh Thistle. 7, 8. Common in wet 

 meadows and damp woods. Frequently with white 

 flowers. 



C. pratensis, Willd. Meadow Thistle. 6 8. Very rare : 

 damp places, Wacton Common (T). 



C. acaulis, Hoff. Dwarf Thistle. 79. Rare : Balking 

 Hill, Harleston, E. Bank near Redenhall Grange, B. 

 Dickleburgh Moor (DC). Sandpit, St. Cross (EAH). 

 Wacton Common (T). 



C. arvensis, Hoff. Creeping Plume Thistle. 7, 8. Common 

 by waysides and in cultivated ground. A variety with 

 weaker spines by the side of Starston .Rectory wall, F. 



ONOPORDON, L. 



0. Acanthium, L. Scotch Thistle. 7, 8. Frequent in meadows 

 and waste places : field adjoining the White House, Har- 

 leston ; Spurkett's Lane ; near Mendham Mill. Alburgh, 

 Brockdish (T). This Thistle, though adopted as the na- 

 tional emblem of Scotland, is quite a southern-type plant, 

 and a doubtful native north of the Tweed. 



SILYBUM, Gaert. 



*3. Marianum, Gaert. (Carduus Marianus, L.). Milk 

 Thistle. 7, 8. Frequent and well established : fir copse 

 near Homersfield Church : between Mendham and Shot- 

 ford Bridge (Norfolk) ; Brockdish. Alburgh (T). 



CENTAUREA, L. 



C. nigra, L. Slack Knap-weed. 7 10. Common in fields 

 and by waysides. 



C. Scabiosa, L. Greater Knap-weed. 6 9. Not common : 

 JSTeedham Alder Carr Pit, and beside footpath from Gun- 

 shaws Hall to the Waveney, D. Mendham Gravel Pit, H. 



