FLORA OF OXFORDSHIRE. 31 
4. Ray. Riverside, Lower Heyford, Tackley, etc. 
5. Isis. Handborough, Charlbury, Osney, etc. 
6. Thame. Hb. Bx. Thame, Cowley fields, Iffley, Dorchester. 
7. Thames. Goring, Binfield, Whitchurch, etc. 
Berks. Kennington. 
B. Rapa, L. 
Var. sylvestris. Syme, i. 134.89. Navew. 
Native. River sides. Locally common. June-August. 
Frequent by the Thames from Sandford to Henley. See Journ. Bot. 
vii. viii. ix. 
Ouse banks near Mixbury. Cherwell, near Heyford. Isis, near 
Wolvercote. 
I suspect this to be the Brassica Napus, radice caulescente fusiform, 
Sp. Pl. of Sibth. p. 204. Cornfields and ditch banks. 
B. campestris, L. Summer Rape, Colza. 
Syme, E. B. i. 133. 88. Var. oleifera, DC. 
Alien. Sides of fields, waste places. Aor B. May-July. 
8. Swere. Betn. Cropredy and Morlington, Dr. Goodenough in Sim. 
Fl. Br. Milton, A. Fr. 
4. Ray. Marston, H. Bos. 
5. Isis. Wolvercote, Osney. 
6. Thame. Shotover. 
* B. Butabaga, DC. Swede Turnip. 
R. campestris, var. Napo Brassica, D C. 
Casual. Occurs as a waif from cultivation in various places. It is not 
permanent, 
First record, the Author, 1879. 
Kirtlington, Tackley, Shotover, Dorchester, Goring, Stonesfield. 
Hardly distinct from foregoing. 
SINAPIS. L. 
S. nigra, L. Black Mustard. 
Brassica nigra, K. Top. Bot. 49. Syme, E. B. i. 126.85. Nym. 47. 
Baxt. 336. 
Native. Viatical. Waysides and fields. Local. A. May-—Sept. 
First record, Sidth. 1794. Cornfields. No locality. 
3. Swere. Near Cropredy. 
4, Ray. Studley, towards Summertown, H. E. Garnsey. 
5. Isis. Port Meadow, near Duke’s Lock. 
6. Thame. Near Thame, Menmarsh Farm, A. Fr. Thame, Bz. 
Iffey, H. Bos. Cowley Marsh, Bx. MSS. 
Berks. Cotham, Iffley, Sandford Lasher. 
