FLORA OF OXFORDSHIRE. I21 
C. stagnalis, Scop. 
Native. Inundatal, lacustral. Ditches, ponds, etc. Common and 
generally distributed. P. May-Aug. 
First record, Baxter, about 1840, sub nom. ‘ verna autumnalis.’ 
Ouse. Mixbury. 
- Swere. Somerton, Bloxham. 
Ray. Marston ditches, Otmoor. 
- Isis. Burford, Handborough, South Leigh, Kingham, Port Meadow. 
. Thame. Thame, Hd. Br. Albury, Dorchester, Iffley. 
. Thames. Sanders’ Green, Stoke Row, Woodcote. 
Berks. South Hinksey, Abingdon Canal, Marcham, etc. 
Var. platycarpa, Kitz. 
3. Swere. Clattercut. 
4, Ray. Marston, Otmoor. 
5. Isis. Side of river near Medley Lock, see Rep. of Ex. Club, 1880. 
Berks. Radley. 
C. obtusangula, Le Gall. 
Native. Lacustral. Streams, ditches, ete. Not uncommon, May-Aug. 
First record, the Author, in Journ. of Botany, Sept. 1884. 
2. Ouse. Mixbury. 
3. Swere. Broughton. 
4. Ray. Kirtlington, Marston. 
5. Isis. Evenlode near Handborough Station, Port Meadow, Clanfield, 
Kelmscott. 
7. Thames. Brook between North and South Stoke, see Journ. Bot., 
Sept. 1884. 
Berks. Moulsford. 
A form with much narrower upper leaves (?), C. Lachii, Warren, occurred 
in some brooks at Marston. 
In all the border counties. 
Cc. hamulata, Kitz. Syme, E. B. viii. 120. 273. 
Native. Lacustral. Streams, etc. Local. Not common. P. May- 
Aug. 
First record, Sir Jos. Banks, 1760, sub nom. ‘ C. autumnalis, prope Oxon. 
in Hb. Brit. Mus. 
2. Ouse. Mixbury. 
4. Ray. Near Bicester, Marston. 
5. Isis. Port Meadow, Druce, see Rep. of Rec. Club, 1880. 
C. autumnalis of Walker’s Flora is this. 
The true autwmnalis is very different, and is only found in the northern 
counties and Scotland. 
