FLORA OF OXFORDSHIRE. 55 
First record, Sib. 1794. 
The segregate A. spherocarpa, Ten. is the plant which usually occurs ; 
the variety A. leptoclados, Guss. is not unfrequent. 
1. Stour. Tadmarton. 
3. Swere. Adderbury, A. Fr. Broughton, Miss Rousher. Drayton. 
4. Ray. Beckley, Rev. Moyle Rogers. Elsfield, etc. 
5. Isis. North Leigh. 
6. Thame. Thame, Hb. Fr. Dorchester, Drayton. 
7. Thames. Goring, Caversham, Newb. Maple Durham. 
Berks, Hinksey, Marcham ; Northants, Warwick, Bucks, Gloster E. 
A. trinervia, L. 
Mehringia trinervia, Clairv. Top. Bot. 77. Syme, E. B. ii. 101. 234. 
Nym. 112. 
Native. Moist woods, shady places. Not uncommon. A. May, June. 
Is noted for all the districts except the Stour. 
It is plentiful in suitable localities round Oxford. 
ALSINE. L. 
A. tenuifolia, Wahl. 
Top. Bot. 76. Syme, E. B. ii. 112. 243. Nym. 117. 
Native. Glareal. Dry stony ground, chalky cornfields. Local and 
rare. A. May—July. 
First record, Blackstone MSS. 1737. 
1. Stour. Tadmarton Heath, 7. Bees. 
83. Swere. Bretch, very rare, Gulliver. Not found in 1842, Bees. 
Found in 1864, 4. Fr. Railside betn. King’s Sutton and Banbury, 
W. Patey. 
5. Isis. In Cornbury Quarries, but very rarely, Blackstone. Rewley 
Abbey, Charlbury Stone Quarries, Sib. Minster Lovell! A. Robert- 
son, M.A. Stonesfield. 
6. Thame. Cheney Lane, on a bank after crossing a stream of water 
between the Asylum and the Windmill, With Trifolium scabrum 
very rare, Ba. MSS. 1832, also in Walk. Under the shade of a 
hedge-bank near Shotover and Wheatley, Phyt.n.s. 4.101. Spec. 
in Hb. Br. Mus. Col. H. Boswell. Shotover, 1849, 7’. Westcombe, 
H. Bos. 1859, 1866. Headington, R. Walker. 
7. Thames. Cornfields near Nettlebed, Sib. Betn. Nuffield and Monge- 
well, Watlington. 
Berks. Streatley, Watson. Moulsford. 
Bucks, Northants, rare. Gloster, Warwick, casual only. 
SAGINA. L. 
S$. nodosa, (L.) Fzl. 
Top. Bot. 72. Syme, E. B. ii. 118. 246. Nym. 120, 
