Oenanthe silaifolia Bieb. Conservation status: N First record: Relhan, 1795 (Not in Ray or Lyons) Oenanthe ? [Smith asked for]..I now send you, and an Oenanthe...Newmarket, 21.8.1795. Relhan in litt. Sowerby,47:43. The illustr. of O. peucedanifolia in Smith,Eng.Bot. (1796)5:348 appears to be of O. silaifolia, but neither Relhan nor Cambridgeshire are mentioned. Oenanthe silaifolia First found by Relhan, Bab.ann. 37 'Mr Newbold thinks that he found it in Over Fen: he certainly gathered it on the opposite side of the Ouse in Huntingdonshire. Being an early plant it is usually cut with the grass when just in flower.' Bab 1860,97. Over Fen; WWN. is nearly sure he found it there, certainly on the other side of the river in Hunts. Bab.MS.Fl.1.312. Over, WH Mills, 1946. Riverside meadow, opposite Holywell, 345.703, SM Walters, 30.5.1953, CGE. Swavesey Locks, Over, AS Shrubbs, 7.1903, CGE and Shrubbs ann. Wet meadow between Swavesey and River, ME Smith, 1974. Middle Fen, Swavesey, 358.701, R Payne, 1981. 3350+ fl. in 3 hay meadows, Middle Fen, Swavesey, 358.701, 359.702, on north of track to R. Ouse, (none south of track) CJ Cadbury, 30.5.1993. 1480 fl. Middle Fen Swavesey, 359.703, JCA Rathmell, 18.5.1997. sketch map and directions in litt. 20.5.1997. c.4000, field partly flooded, Middle Fen Swavesey, 359.702, an exceptionally good year, JCA Rathmell, 17.5.1998. 45 Oenanthe peucedanifolia Sulphur–wort Water Dropwort. Granchester Meadow. Relhan,1802;1820. Cambridge, in the first meadow by the footpath to Grantchester, CC Babington, 5.1833, CGE. Oenan silaif Granchester Meadow. Bab.ann.Relhan,121. 'At the Cambridge end of the Grantchester fields, 1833. This is the original and only station.I have not again found it there.' Bab 1860,97; add Grantchester meadows. omit: At the Cambridge..it there. Bab.MS.Fl.1.312. Extinct in Grantchester Fields, 1911, Evans,1911,227. 47 Oenan pimpinelloides Wilburton, H Baber, Hb JA Power, 7.1838, 'I call this pseudanifolia, Poll. CE Salmon', & pimpinelloides crossed out. RTE. 100 ft Cradge Bank, 1877, AF.ann. Distr. VII. Sutton Parish, Cradge Bank of the 100ft, edge of high water mark, nearly opposite Sutton Chain, A Fryer, 24.6.1879, CGE. Edge of high water of 100 foot nearly opposite Sutton Chain in Sutton parish. A Fryer. Bab.ann. Sutton Chain, AF.cat. Sides of Bedford R., Sutton Chain, Fryer. Bennett,1899,244. ...still found on Sutton Washes, Evans,1911,227. Sutton WH Mills, 1946. 3 plants. Ouse Washes hay meadow, Sutton Gault, 425.796, CJ Cadbury, 3.6.1980; former hay meadow, heavily grazed– not seen 1993, CJ Cadbury. 48 Washes near Mepal, CJ Cadbury, 1971. Small number in 2 small washes, [455.826], CJ Cadbury, 1972, [R]. Mepal, rare as in 1971, 200m from Cradge Bank, Mepal, 456.827 CJ Cadbury, 4.6.1973. Mepal, rare, 455.826, CJ Cadbury, 4.6.1973. Ouse Washes, 455.826, C Carson & D Allen, 1979, [R]. Mepal, 273 fls. only in one v. small wash, 455.826, one of two adjacent washes of 1973. (NE–most of 6 small washes, adjacent to Cradge bank, NE of Willow Wood, 5km NE of Mepal– rather rough ungrazed wash, flooded for some time in winter 1992/93– was probably topped nettles and thistles in 1992.). CJ Cadbury, 26.5.1993. c.10fl. plants in the 3rd Singing Wash, 473.849, T Strudwick, 1994. 57 Stretham, Hb CM Lemann, 6.1833, CGE.
