LIKNEA.X SOClEXr OF LONDON. 73 



Hampshire and Isle of Wight. 



From the Flora of tlie above bv F. Townsend, 1904 : " Abundant 

 in Hants and Isle of Wight. Too common in many localities. 

 Introduced to lake in Leigh Park in 1847 with American aquatics 

 and discovered in Leicestershire the same year." 



Not recorded in Bromfield's ' Flora of Isle of Wight,' edited by 

 Sir W. J. Hooker & T. B. Salter, 1856. 



Sussex. 



Rev. E. Elmau, per Mr. T. Hilton : " About Lewes and the 

 •Cuckmere Valley and in man}'- other places in Sussex — cannot say 

 if less abundant than formerlv " (Brighton and Hove Nat. Hist. 

 Soc). 



Mrs. T. R. E. Stebbing, F.L.S., writes : " It used to be found in 

 Cold Bath Ponds at Rusthall, Tunbridge Wells, and the Lake at 

 Warberry House." 



'Flora of Sussex,' F. H. Arnold, 1887: "Ditches, pools, 

 rivers, common." By F. C. S. Roper, Eastbourne, 1875 : "Ditches, 

 locally abundant." 



Surrey. 



Mr. J. G. Baker, F.R.S., writes in 1909 : " In a pond in the 

 garden at Kevv it was once very plentiful and has now quite died 

 •down, its place being taken by Nitella." 



Holmesdale Nat. Hist. Club, Reigate : " River Mole and 

 various ponds and ditches in the district. Not quite so plentiful 

 as it used to be." 



Kent. 



" Now (1899) quite common in ponds, ditches, and slow streams 

 throughout the county." First record 1855 ('Flora of Kent,' 

 Haiibury & Marshall). 



River Beult, near Headcorn (A. O. W., 1910). Not seen at 

 Ulcombe. Lenworth Mill Pond, Maidstone, "grows alarmingly" 

 <not signed). [" Still abundant there." A. O. W., 24th Sept., 

 1912.] 



The Stour, " less abundant than formerly," Rev. C. H.Fielding. 



Middlesex. 



" Very common here in ponds and streams : rivers Brent, Colne, 

 and Paddington Canal " (Ealing Scientific and Microsc. Soc. per 

 Mr. Offord). 



" About the same in last 10 years, not increasing " (ditto). 



Herefordshire. 



" Very abundant in River Wye, canals, streams, and pools, 1865 

 to 1889. Since that date becoming more scarce. First observed 

 in Herefordshire about the year 1855 " (Rev. Augustin Ley). 



R. Lugg, by Mill Street ; marsh, Leominster ; pool at Sellark, 

 iloss ; mill sluice (Rev. A. L.). 



