FLORA OF DUMFRIESSHIRE. 163 



Potamogeton rufeseens. Schrad. 



RECORDS: Dfs. J. Cruickshank, 1836. Kcd. J. Fingland, 1890. 

 Wgt.G. C. Druce, 1883. 



LOCALITIES : Nithsdale Lochar Moss, J. Cru.; Fingland Lane, J. 

 Fn. (Has been confirmed for three counties by Mr Bennet). 



Potamogeton lanceolatus. Sm. 



RECORDS: Dfs.W. Stevens, 1848. Kcd. P. Gray, 1850. 



LOCALITIES : Nithsdale Dumfries, P. Gr.; foot of Morton hills, 

 Locherben, Auchenbainzie Loch, W. St.* 



Potamogeton heterophyllus. Schreb. 



RECORDS : Dfs. Dr Davidson, 1886. Kcd. J. Cruickshank, 1836. 



t.G. C. Druce, 1883. 



LOCALITIES : Nithsdale Lochrutton, F. W. G.; Maxwelltown Loch, 

 J. Cru., P. Gr.; Guffockland Dam, Dr Dv. (Confirmed for three 

 counties by Mr Bennet). 



Potamogeton lueens. Linn. 



RECORD : $, acuminatus, Kcd. F. R. Coles, 1883. 

 LOCALITY : Tarff, F. R. C.* 



Potamogeton zizii. Roth. 



RECORDS: Dfs. P. Gray, 1850. Kcd.. R. Coles, 1883. Wgt. 

 G. C. Druce, 1883. 



LOCALITIES : Nithsdale Dumfries, P. Gr.* 



Potamogeton prselongus. Wulf. 



RECORDS: Kcd. F. R. Coles, 1883. Wgt. G. C. Druce, 1883. 

 LOCALITY : Tarff, F. R. C. (Confirmed by Mr Bennet). 



Potamog'eton perfoliatus. Linn. 



RECORDS: Dfs. and Kcd. P. Gray, 1850. 



LOCALITIES : Nithsdale Dumfries, P. Gr.; Lincluden, Hn., S.-E. 



* Require confirmation. 



