288 NAIADACE®. 
NAIADACEA:. 
TRIGLOCHIN 1. 
T. palustre 2. Marsh Arrowgrass, 
Native. B. Marshy meadows, by streams and pools. Local and not 
uncommon. P. June-Aug. 
First record, Glover, 1829. 
L. Miller’s Dale, West,J.B. Dovedale, Phyt, N.S., 1858, 538. Great Rocks 
Dale. 
Gl. Swamps up to 550 yards on Axe Edge, Baker, J.B. Stirrup, Fl. Ash- 
ton. Charlesworth, Whitelegg, C.D. Malcoff, Chapel-en-le-Frith; brook-side 
below Rowarth; near the Snake Inn. 
G2. Abney Clough; Umberley Brook, near Chatsworth. 
C. Ferriby Brook, Morley, Crewe d Whittaker. 
P. Near Clowne, Painter, Natt. Harlesthorpe, perhaps the same locality ; 
pool in wood, near the Walls, Whitwell. 
Tl. Osmaston-by-Ashbourne, Smith MSS. Peathays, and by the wood, 
Shirley ; marshes by the railway below Findern. 
T2. Ockbrook, Smith, MSS. Near the canal, Sandiacre. ‘ 
T3. Pond-side at Calke, Purchas, J.B. Burton, Hb. Mason! Stapenhill 
and Drakelow, N.H. Tutb. Repton Rocks, Wild Fl. Rept. 
POTAMOGETON J. 
_P. natans L. Floating Pond Weed. 
Native. Bb. Ponds, canals, ditches. Frequent. P. July-Aug. 
First record, Pilkington, 1789. 
L. Pond between Fryden Wharf and Bakewell; in a pond at Broad Close, 
Tissington; Heathcote, Purchas. Bradwell, Painter, Natt. Pond between 
Great Rocks and Fairfield Common; between Ashford and Taddington. 
G1. Ponds up to 400 yards, Baker, J.B. Chisworth; near Lee, Mellor. 
G2. Whatstandwell, B. & N., J.B. Cromford Canal, Rogers. Chatsworth 
Park; small pond near Hassop Station; between Cross 0’ th’ Hands and Shottle 
Gate; near Stony Middleton. 
C, About Renishaw, Waterfall. Kirk Hallam; Beighton; pool east of 
Killamarsh; Parkhall, Barlborough; New Stanton; Dale; Hardwick; Pebley 
Pond; Sutton Scarsdale; Tibshelf. 
P. Pool by Cresswell Crags; pool in Langwith wood. 
Tl. Kirk Langley, Bindley. Bradley; Yeldersley Lane; Wyaston; between 
Allestree and Quarndon; near the Dove, Sudbury. Moist Ground adjoining 
Radbourn Common, Pilkington. 
T2. Near Trent Station; Breadsall, Crewe d: Whittaker. Canal, Chad- 
desden ; Sawley. 
T3. Archer’s Pool, Purchas, J.B. Bretby, Nowe7s. Repton, Wild FI. 
Rept. Pond by the canal, Egginton. 
