1590. 
1594. 
1595. 
1596. 
1597. 
1598. 
1610. 
1611. 
1621. 
1622. 
THE FLORA OF BURTON AND NEIGHBOURHOOD. 137 
P. lucens, L. 
Common in the Trent; E.B. Old Trent; W.G. Frequent; F.L. 
var. acuminatus, Fr. 
Canal at Moira; F.L. 
P. preelongus, Wulf. 
Canal, near Burton; E.B. Willington Canal; W.G. River 
Trent; J.G.W. 
P. perfoliatus, L. 
Common. 
P. crispus, L. 
Common in the Dove; rarer in the Trent: pond at Hartshorne ; 
E.B. Millstream, Repton; W.G. Common, F.L. 
P. densus, L. 
Old Trent, Repton; W.G. 
P. zosterefolius, Schum. 
Trent, near Burton; E.B. Willington Canal; W.G. Frequent ; 
F.L. Branston Salt Marsh; J.E.N. 
P. obtusifolius, Mert. & Koch. 
Netherseal ; F.L. 
P. Friesii, Rupr. 
P. pusillus, L. 
Canals, near Burton; Rollestone Ponds; E.B. Brook near 
Repton; W.G. Measham; F.L. Near Walton: JEN 
P. pectinatus, L. 
Common; E.B. About Repton; W.G. Frequent; F.L. 
Bretby; Moira Reservoir; J.E.N. 
Zannichellia palustris, L. 
Moira Reservoir ; Canals near Burton, &c.; E.B. About Repton ; 
W.G. Frequent; F.L. 
Z. brachystemon, J. Gay. 
Branston ; Dunstall; J.E.N. 
LXXXV. CyprerRacez. 
Cyperus longus, L. 
Frequent at Hamstall Ridware ; Shaw. 
Eleocharis acicularis, R. Br. 
Moira Reservoir; E.B, Barrat Pool, Moira; Ashby Canal; F.L. 
