176 FLORA OF OXFORDSHIRE. 
SERRATULA. L. 
S. tinctoria, L. Saw-wort. 
Top. Bot. 240. Syme, E. B. v. 28. 704. Nym. 417. Bx. 174. 
Native. Sylvestral. Woods and thickets. Local and rather rare. P. 
July, Aug. 
First record, Sib. 1794. 
3. Swere. Beyond North Newington, A. Bees. Farmington, towards 
Epwell, T. Bees. (French and Ward.) 
4. Ray. Wood near Begbroke, Headington Wick Copse, ‘Be. Copse 
near Marston Road, H. Ridley. Headington Copse, Stow Wood ! 
Blackthorn, H. Bos. 
6. Thame. Between Bullingdon Green and Shotover Hill, by foot- 
path, 1826, Ba. MSS. Magdalen Wood. 
Berks. Cumnor Meadows, Bz. Wootton, H. Bos.’ Bucks unre- 
corded. Northants, Gloster, Warwick. 
CENTAUREA. L. 
C. nigra, L. Knapweed. 
Top. Bot. 247. Syme, E. B. v. 31.706. Nym. 421. 
Native. Pascual. Meadows, heaths, banks, roadsides, ete. Common 
and generally distributed. P. July—Sept. 
First record (for the rayed variety), Dillenius, 1724. Ray. Syn. ed. iii. 
p. 199. The rayed variety has also been noticed in the following 
localities. 
1. Stour. Tadmarton. 
4. Ray. Stow Wood, Headington Wick, Beckley, Marston. 
5. Isis. ‘Inter Blaiden et Yarnenton copiose, Dill. South Leigh, 
Sib. North Leigh. The common form in river meadows from 
Wolvercote to Kelmscott. 
6. Thame. Shotover! $7b. Tetsworth, Albury, abundant by Wheatley 
railside. 
7. Thames. Near the ‘Flowing Spring, A. Fr. Ipsden, Mongewell, 
common on the chalk, Goring, Rep. of Rec. Club, 1883. 
Var. C. decipiens, Thail. 
7. Thames. On the bank of road in the Avenue, below Gravel Hill 
Colts W. of Caversham, plentiful and characteristic, the flowers 
have a bright rose-pink hue, very different from the purplish red of 
nigra var. radiata, The leaves too are narrower (not broader as 
said in Bab. Man.), and often sinuate dentate, as if approaching 
C. Scabiosa, varying much in stature, but usually with one terminal 
head only, F. A. Lees in corr. See also note in Rep. of Rec. Club, 
1883, p. 42. Crowell, North Stoke. 
Berks. Wargrave, Brit. 
