178 FLORA OF OXFORDSHIRE. 
Gulliver recorded 8. palustris, L. from Banbury Canalside. Respecting 
this Mr. H.C. Watson says, ‘ certainly not palustris, probably arvensis, but 
one specimen is imperfect.’ ? is annexed to it in Gull. herb., T. Bees. 
The plant was certainly not palustris, but the marsh form of arvensis. 
Var. glabra, E. B. West side of Shotover, 1884. This appears only to 
differ from arvensis in having glabrous peduncles. A large marsh form 
sometimes occurs in damp ground with very showy flowers. 
S. asper, All. Sowthistle. 
Syme, EH. B. v. 154. 812. Nym. 434. 
Native. Agrestal, etc. Cultivated and waste ground. Very common. 
A. May-Sept. 
First record, H. Boswell, in Phyt. iv. n.s. 100, 1860. 
An entire leaved form occurs. The outline of the leaves and auricles of 
the typical plant is very beautiful. A form with glandular peduncles has 
been noticed. 
S. oleraceus, L. Sowthistle. 
Top. Bot. 227. Syme, E. B. v. 153. 810. Nym. 434. Bx. 147. 
Native. Cultivated ground and waste places. Abundant throughout the 
county. A. May—Sept. 
First record, Sib. 1794, with Uredo Sonchi, Grev. Bu. 
A form with very pale yellow flowers occurs. The leaves of this species 
vary remarkably in leaf cutting. 
LACTUCA. L. 
L. virosa, DL. 
Top. Bot. 225. Syme, E. B. v. 145.805. Nym. 345. Bx. 315. 
Native. Viatical. Waysides, under hedges. Local and rare. A. or B. 
Aug., Sept. 
First record, Sir Jos. Banks, 1760. 
4, Ray. Marston Lane, Sid. Headington Hill, Banks. Between 
Marston and Elsfield! H. Bos. Marston Road, between Marston 
and Wood Eaton, Noke. 
6. Thame. Near Menmarsh Farm, A. Fr. Not uncommon under 
hedges, inside of old foot-path leading from back of Roman 
Catholic Chapel to Asylum, Bx. 
Limited to the base of the Coralline Oolite plateau. 
Berks. On hedgebank going from Botley to Eynsham, about 200 or 
300 yards before you come to the bridge, Bx. 1831, Maidenhead, 
Grit. Northants, near Warkworth, Purston. In all the border 
counties, ‘ 
L. muralis, DC. 
Top. Bot. 226. Syme, E. B. v. 150. 808. Nym. 435. Bs. 27. 
