252 POLYGONACER. 
P. Hydropiper L. Water Pepper. 
Native. 5b. Ditches, streams, wet places. Common. A. July-Oct. 
First record, Pélkington, 1789. Arsmart. 
In all the districts. About 200 yards at Froggatt. 
P. minus Hus. 
Native. E. Damp places, sides of rivers and ponds. Rare. A. Aug.-Sept. 
First record, N.H. Tutb., 1863. 
T3. Ingleby; Walton, N.H. Tutb. Burton, Hb. Mason! Repton, Nowers. 
Drakelow, by the Trent. 
P. Persiearia L. Persicaria. - 
Native. b. Cultivated ground, waste places, waysides. Common. A. 
July-Oct. 
First record, Pilkington, 1789. 
Generally distributed. ‘Frequent up to 450 yards,’ Baker, J.B. <A form 
with pilose ochre occurred near Ford (see B.E.C. Rep. for 1897). 
Var. clatun Gren. & Godr. 
C. Beighton. 
Tl. Shirley Park. 
P. lapathifolium Jl. 
Native. BE. Cultivated ground, waste places, rubbish heaps. Common. 
A. July-Oct. 
First record, Top. Bot., 1873. 
Generally distributed. ‘‘ Nearly 400 yards near Corbar Wood, Buxton,” 
Baker, J.B. 
P. amphibium J. 
Native. B. Streams, canals, ditches, wet places. Frequent. P. July-Sept. 
First record, Pilkington, 1789. 
Including var. terrestre Leers, which appears to be merely a state resulting 
from situation. 
L. Wye Valley at Ashford, 200 yards, Baker, J.B. 3etween Thorpe and 
Fenny Bentley, Smith MSS. Bradwell, Painter, Natt. Hope. 
a1. Near Chapel Reservoir, Barker. Dinting. 
G2. Near the Derwent, above Allestree. 
C. About Renishaw, Waterfall. Shipley Hall; pool east of Killamarsh; 
Wingerworth; Hardwick. Pinxton, Pilkington. 
P. Pool by Cresswell Crags. 
Tl. Mickleover, Bindley. Shirley; Kedleston Park; Cubley; Marston-on- 
Dove; Sudbury; Radbourn, towards Etwall. 
T2. Ockbrook, Smith MSS. Breadsal] railway pit, Crewe d: Whittaker. 
Long Eaton; Thrumpton Ferry; canal at Chaddesden, and at Chellaston. 
T3. Calke, Purchas, J.B. Bretby Ponds; Repton Park Pond, Painter, 
J.B. & Natt. Trent by Tan-yard Lane, Repton, Wild Fl. Rept. 
