First record: Peter Dent or Dr Heberden, 1690
Cambridgeshire, JS Henslow, 4.7.1823, CGE.
15
Introduction in remade pond near Woodbury Low Farm, 195.533, R Payne, 24.7.1987.
36
Childerley Hall, pond, 356.616, SM Walters, 12.6.1974.
37
By road bridge over New Bedford River (Cambs bank!) SM Walters, 12.8.1949.
Acorus calamus A large patch in the New Bedford River at its tidal outlet at Earith, Cambs, 12.8.1949. No sign of its having flowered this year. DE Coombe, Card Index.
Earith, SM Walters, 7.1951, CGE.
R. Gt Ouse, 394.745, in flower, PH Oswald, 19.7.1953.
Ouse Fen Wash, Earith, 387.745, and near bridge by lock, CJ Cadbury, 5.1977.
Abundant, NE of Earith bridge, AC Leslie, 8.1978.
Ouse Fen Wash, Over, AC Leslie, 9.1978.
Ouse Wash Drain north of barrier bank, 385.746, R Payne, 8.1981.
R. Ouse, Over, 364.717, David Curtis & K de Courcy, 1991.
Ouse Fen Wash, Over, 37R, PH Oswald, CD Preston, 13.8.1994, [R].
45
Acorus verus sive Calamus Officinarum The sweet-smelling-flag or Calamus. Mr Dent also sent me fair Juli of it, [sic] gathered somewhere near Cambridg. Ray,1690,84; Ray,1696,132; Ray,1724,437.
Cambridge. Dove-house close. It was planted there by Dr Heberden, and flourishes very much. Martyn,1763 Herbat.I.
Sweet smelling Flag or Calamus. In Dove-house Close near Jesus Green, first planted there by Mr Dent. Lyons,1763,30-31(58).
Dove house Close Mr Dent. planted. Fisher ann. Berkenhout,93.
A. calamus Sweet Acorus, or Calamus. Sweet-smelling Flag. Sweet Cane. Dove-house Close, near Jesus Green. ... Relhan,1785.
Planted in a ditch by Dove-House Close near Jesus College by Mr Dent (Lyons) or Dr Heberden (TM). ...Bab.1860,245.
In a Ditch by Great Founders Closes, near the House in the Fields. Relhan,1785;1802;1820.
In a ditch by Great Founder's Closes near House-in-the-fields, Cambridge; Relhan. Bab.1860,245.
In the Ditch opposite to the great Gates of Trinity College Walks. Relhan,1802; 1820.
On the river-bank in Chesterton parish, opposite to the Barnwell Gas Works; Henslow. Bab.1860,245.
46
Swampy ground by the river side at the N end of Chesterton below the ferry. ... 1833,Coleman(a),13.
On the left bank of the Cam near Chesterton Ferry. Coleman(b).
Marshy ground by river at Chesterton. Bab.ann.Relhan,142.
Marsh by the river at Chesterton. Bab.1860,245.
On the Milton side of the Cam a little below Fen Ditton...1833,Coleman(a),13.
Nearly opposite Fen Ditton. Coleman(b); Rev. WH Coleman. N.B.G.
By the river nearly opposite Fen Ditton; WH Coleman. Bab.ann.Relhan,142.
...At the Cambridge end of the short reach next above Bat's bight sluice. 1833,Coleman(a),13; Coleman(b).
... and above Baitsbite lock. Rev. WH Coleman. N.B.G. Bab.ann.Relhan,142.
Leyland Water, Landbeach, 483.653, water's edge, 1 large clump, ?planted, L Brown, E Norman, 1991, [R].
47
Washes SW of Sutton Gault, 417.783, CJ Cadbury, 5.1977.
Sutton, Ouse Washes, 415.780, CJ Cadbury, 1977, [R].
Sutton, Ouse Washes, 415.780, CJ Cadbury, present (see record 5743), 1982; ditch cleaned, 1991, not seen 1992, [R].
SE of Flat Bridge Farm, by R. Ouse, AC Leslie, 9.1978.
Sutton, 47D, C Turner, 22.9.1991, [R].
55
The Poplars, Gt Wilbraham River, O Vaughan, 11.1964.
56
Newbould, Hiley, and I walked by Fen Ditton and Horningsey to North Hill Farm, over the bridge at the Lode, along its north side to the Cam. Visited the station of Acorus, on the Wash-way. 1.7.1856, Bab.Mem.180.
Newbould, Stratton, and I went by rail to Waterbech, ... A man told us there was plenty of the Acorus calamus on the wash on the east side of the river above Upware. 14.7.1856. Bab.Mem.181.
On the wash of the river Cam
a mile below Waterbeach, CC Babington, 14.7.1856, CGE.Acorus In the wash by the Cam
mile from Railway Station towards Upware. Bab.ann.Relhan,141.By the side of the Cam
– mile from Waterbeach Railway Station towards Upware. Bab.ann.Relhan,142.On the wash of the river Cam
a mile below Waterbeach, CC Babington, 14.7.1856, CGE.On the wash of the Cam, half a mile below Waterbeach. Bab.1860,245.
On the wash by Cam half a mile below Waterbeach Railway Station Bab.MS.Fl.3:773.
Wash of river above Upware. Bab.1860,245.
Wash by river Cam above Upware. Bab.MS.Fl.3:773.
Upware, CE Moss, Evans,1913,230.233.
River-bank below Barraway. Bab.1860,245. Bab.1860,245.
58
Ely – common, HD.ann.
Lately found at Roswell Pits by AH Evans, Evans,1911,242.
Abundant at Ely, 1924, FB ann.Bab.
Roswell Pits, CEM.ann.
Roswell Pits, H Gilbert Carter c. 1932.
Roswell Pits, large patch, CNT exc. 15.6.1957, [R].
Frequent in River Ouse by Roswell Pits and occasional in pits, G Crompton & R Payne, 10.1976.
By Littleport Bridge. Potter. Bab.ann.246.
From Littleport
Denver, abundantly, HD.ann.58Z, JO Mountford, 20.8.1989, [R].
Ouse just below Adelaide bridge, Ely, E side, 2.8.1925, Mills ann.
Littleport, abundant on W margin of R. Ouse, 576.873, R Payne, 1981.
Littleport, west bank of R. Great Ouse, 583.885, K Tucker, 1991, [R].
Littleport, FP29 , 58T, C Turner, M Hardy, 17.5.1997, [R].
59
Littleport, R. Gt Ouse near Plantation House, 59-90-, JO Mountford, 12.[?22].8.1989.
68
In River Little Ouse at bridge, Lt Ouse (Vc 28), MG Rutterford, 1976; 621.892, G Crompton & R Payne, 1982.
20
Thorney, village centre, 20X, R Payne, 14.7.1990, [R].
