Botany. 147 



866. C. arvensis, Rob. 7, P. Fields and roadsides ; very common. 



var. d.) setosus, Bess. 9, P. A soft downy form without 

 spines ; it has migrated to the South of England since 1886. 



1. West of Mottingham. Dod. 



2. Roadside, Beckenham, in two places, '97. Sc. 



3. Occasionally by side of footpath, bordering Lang's 



Nursery, near Bellingham Railway Station, '06. 

 W.H.G. 



var. argenteus, Buch.- White (see Babington's Manual). 

 Buchanan White in Flora of Perthshire, mentions it as 

 var. argenteus (Vest.). The plant agrees with var. Vestent 

 in Reichenbach's Deutschland Flora. 



1. E. Wickham brickfield, very abundant (NEW COUNTY 

 RECORD), '07. J.F.B., W.H.G. & B. T. Lowne 



867. ONOPORDON acanthium, L. (COTTON THISTLE ; cultivated in 



Scotland, not wild ; the national emblem), 8, B. Native in 

 the South of England, but generally a garden escape. 

 Stamens with sensitive filaments. 



1. Bexley ; Isle of Grain. Jackson. 



2. Border of Darenth Wood ; Hailing. Dod. 



3. Cliffe Creek. H. 



4. Lane by farm at Crofton, '03. W.H.G. 



5. On wall in Hayes Village, '97. Playfair. 



6. Hayes' Gravel pit, '07. W.H.G. 



868. SILYBUM marianum, Gaertn. (CARDUUS MARIANUS, L. ; 



MARIANA LACTEA, Hill), MILK THISTLE, 6 7, B. Alien or 

 denizen ; waste ground ; frequent. 



1. Sandy field between Avery Hill and Eltham Park. Dod. 



2. Plumstead Marshes. Reeves. 



3. Dartford Brent. H. 



4. Higham ; below Shornemead Fort. Dod. 



5. Road to Green Street Green, Dartford, '05. R.H.C. 



It is this Thistle which has spread over the South American 

 pampas. 



870. SERR ATULA tinetoria, L. 8, P. Woods, heaths, grassy places ; 

 rare. 



1. Keston Common. Reeves. 



2. Woods south of Cliffe. M. 



3. Hedgebank by field footpath, Crofton, '04. W.H.G. 



4. Near Eltham. J.D.R. 



