Hypericum tetrapterum Fries (H. quadrangulum sensu Bab.)
First record: Ray, 1660
Ascyron Ordinary St Peters-wort. Neare water courses. Ray,1660,16-17(45).
Ascyron Ordinary S. Peters-wort. Ray,1670:31.
Hypericum Ascyron dictum caule quadrangulo Martyn,1727,93.
[Hypericum quadrangulum Quadrangular St. John's-wort. Relhan,1785; Square St. John's-wort. St. Peter's-wort. Relhan,1802;1820.
Cambridgeshire, JS Henslow, 1826, CGE.
Wet places by ditches and streams. Probably common throughout the county, although I have very few stations recorded in the Fens. Bab.1860,42.
Common in Fens in Distr. 6 & 7. AF.ann.
There are also 74 records in Recorder, [R].
24
Guilden Morden; WWN. Bab.MS.Fl.1.134.
Gatwell End Spinney; WWN. Bab.MS.Fl.1.134.
Gatley End, 29-41-, Seccombe & Douglas, 1979.
Tadlow; WWN. Bab.MS.Fl.1.134.
25
Cuxton; WWN. Bab.MS.Fl.1.134.
Eltesley; WWN. Bab.MS.Fl.1.134.
Gamlingay, JS Henslow, 4.8.1826, CGE; Gamlingay. Bab.MS.Fl.1.134; RSA List.
26
Graveley; Rev. T York & WWN. Bab.MS.Fl.1.134.
Papley grove, O Rackham, 1979.
29
Lattersey Hill, Whittlesey, 28-96-, FH Perring, 18.5.1966.
34
Abington Pigotts, PD Sell, 1950.
Barrington. Bab.MS.Fl.1.134.
Bassingbourn, PD Sell, 1950; Along ditch between Poplar Field and Bull's Fen, near Fen Road, Bassingbourn, 317.454, PD Sell 90/343, 11.8.1990, CGE.
Malton; WWN. Bab.MS.Fl.1.134; Banks of River Cam Malton. Britten,1859.
Melbourn, 7.7.1914, Gregor,ann.
35
Bourn; WWN. Bab.MS.Fl.1.134.
Caxton; WWN. Bab.MS.Fl.1.134.
Eversden; WWN. Bab.MS.Fl.1.134.
Kingston; WWN. Bab.MS.Fl.1.134; Kingston Wood, HHT List.
Ditch one field away from NW border of Kingston Wood, 10.10.1926, Mills ann.
Longstow; WWN. Bab.MS.Fl.1.134.
Toft; WWN. Bab.MS.Fl.1.134.
36
Elsworth; Rev. T York & WWN. Bab.MS.Fl.1.134.
By ditch, W side of field inside Swansley Wood, n.d., Mills ann.
37
Earith. Bab.MS.Fl.1.134.
38
Chatteris. Bab.MS.Fl.1.134; AF.cat.
39
Doddington. Bab.MS.Fl.1.134.
44
Fowlmere, O 18, APD Jones, 1940.
Sawston; WWN. Bab.MS.Fl.1.134.
45
Cambridge. Bab.MS.Fl.1.134.
Coldham's Lane. Bab.MS.Fl.1.134.
Open Common. Bab.MS.Fl.1.134.
Sheep's Green, EF Warburg, 1937.
Barton; WWN. Bab.MS.Fl.1.134.
Coton. Bab.MS.Fl.1.134.
Dernford Fen, n.c., 8.1888, CGE; Dernford Fen near Durnford Mill, EM Walker, n.d., CGE; Dernford Fen, EA George, 1940.
Bourn Brook near Grantchester. Bab.MS.Fl.1.134.
Hauxton, E Allen, 7.1892, CGE.
Hypericum Ascyron dictum caule quadrangulo...] By Hinton moor July 13 1759. Th.M.ann.Meth.93; H. quadrangulum. Cherry-Hinton. In and about the Moor. Martyn,1763,Herbat.VIII; Cher: Hint. Moor Fisher ann.Berkenhout,213.
H. quadrangulum Paper Mills Stream, Cherry Hinton, W.L.P.G., 4.7.1839, 8.1839, SWN; Hinton Road. Bab.MS.Fl.1.134; Hinton. Bab.MS.Fl.1.134; Cherry Hinton, n.c., 1877, CGE.
46
Near Baitsbite, EA George, 1940.
Histon. Bab.MS.Fl.1.134.
Longstanton; Rev. T York & WWN. Bab.MS.Fl.1.134.
Milton Road, Cambridge, RJ Lynch, 19.8.1899, det. SM Walters, CGE.
Waterbeach. Bab.MS.Fl.1.134.
47
Sutton, AF.cat.
48
Honey, AF.cat.
49
Doddington Wood, CC Babington, 1.9.1853, CGE; Doddington, AF.cat.
Fire Lots, AF.cat.
Horse Moor, JSL Gilmour, 1930.
Wet marshy ground, Wimblington Common sand pits, 437.910, GMB Smith, 24.6.1969.
49F, GMS Easy, 1973.
54
Balsham wood. Bab.MS.Fl.1.134.
Hildersham. Bab.MS.Fl.1.134.
55
Fulbourn, EA George, 1940.
Gt Wilbraham. Bab.MS.Fl.1.134.
56
Adventurer's Fen, EA George, 1940.
Bottisham fen. Bab.MS.Fl.1.134.
Reach, EA George, 1940.
57
Upware Pits, CEM.ann.
Hypericum quadrangularum tetrapterum in list of plants...recently found growing in Wicken Fen.Appendix VIII. Bab.ann.312.
Wicken. Bab.MS.Fl.1.134; Wicken Fen, A S(hrubbs), 8.1886, CGE; Evans,1923; Wicken, 21.7.1910, Gray,ann.
58
Ditch running into Grunty Fen Drain, SE of Coldmoor Farm, 511.808, AC Leslie, 27.8.1983.
Littleport; LJ. Bab.ann.42; Hypericum quadrangulum Fens nr Littleport, Jenyns,1860.
West Fen, CEM.ann.
64
Langley Wood, HC Gilson, TG Tutin & EF Warburg, 1932.
65
Dullingham, A Shrubbs, (as H. dubium), 6.8.1885, det. EF Warburg 1940 & N Robson 1955, CGE.
Green Drove, Kirtling, n.d., Mills ann.
66
Chippenham. Bab.MS.Fl.1.134; Chippenham Moor, AF.ann; Chippenham Fen, CEM.ann; JL Crosby, 1938.
Snailwell. Bab.MS.Fl.1.134.
67
Fordham Woods, 67F, DR Donald, 1980.
75
Great Wood, GMS Easy, 1978.
40
Wisbech. Bab.MS.Fl.1.134.
40Y, GMS Easy, 1975.
41
H. quadrangulare In a ditch opposite ye first Mill on ye Lynn Road. [My Specimen from Breadalbane Scotland 1797.] Skrim.MS.
