92
THE ESSEX NATURALIST
19: brackish ditch behind sea wall north of boating club-
house, Walton, 1957; ditch on chalky ground, Norton Mande-
ville, 1959, E.S.; roadside bank nr. Little Hallingbury. 1960,
E.S,; muddy chalky ground. Matching Airfield, 1960, A.J.P.,
J.H.G.P. & E.S.: sandy ground nr. Stour Woods, Wrabness, 1961.
E.S.; Sergeant's Green, Epping Forest (c.fr.), 1962, E.S.; sandy
ground and gravel pits, Nazeing Mead, 1963, E.S.; chalky road-
side, north of Finchingfield, 1963, E.S.; behind sea wall, Tolles-
bury, 1967, P.J.W.
Riccardia pinguis (L.) S. F. Gray
18: bog by path between Salter's buildings and Windmill,
Epping Forest, 1800, E.F.; bog nr. Hale End, Epping Forest,
1800, E.F.; Chigwell Row, 1949, L.N.; on mole hills nr. Pole
Hill, Epping Forest, 1967, K.J.A.
19: wet chalky ditch, Matching Airfield, 1958, E.S.; disused
airfield, Norton Mandeville, 1958, E.S.; Sergeant's Green, Epping
Forest, 1962, E.S.: abundant in gravel pits, Nazeing Mead; gravel
pits, Bobbingworth nr. Ongar, 1963, E.S.; coast at Walton-on-
Naze, 1964, E.S.; side of ditch, High Wood, nr. Langley, 1964,
E.S. abundant gravel pits, Fisher's Green, 1964, E.S. disused sand
pit. Gt. Sampford, 1965, E.S.: Great Bendish Wood & Little Ben-
dish Wood; Rowney Wood, 1967, K.J.A., A.J.H. & P.J.W.;
behind sea wall, Tollesbury, 1967. P.J.W.
Pelliaceae
Pellia epiphylla (L.) Corda
18: side of Snaresbrook Pond. 1800, E.F.; Woodham Walter,
1882. E.G.V.; Thorndon Park, Brentwood, 1958, K.A. & A.J.P.;
Weald Park, 1958. A.J.P.; Woodham Walter Common. 1958,
A.J.P.; Norsey Wood. Billericay, 1958, F.R. & B.T.W.; Poors
Piece Nat. Res., 1967, R.M.; Mores Wood, Navestock; Danbury
Common, 1967. K.J.A.
19: Lower Forest, Epping (no date), St J.M.; by stream,
Chaulkney Wood, nr. Earl's Colne, 1956, E.C.W.; ditch by Lodge
Road, nr. Wake Arms, Epping Forest, 1959, E.S.
Pellia neesiana (Gottsche) Limpr.
18: (Epping Forest, 1885. E.M.H. in Cardiff Mus.).
Pellia endiviifolia Dicks.
18: Grays; Purfleet (no date), W.R.S.; Cuckoo Brook, nr.
Chingford, 1958, A.J.P; plentiful, chalk pit, Grays, 1959, E.S.;
Ongar Park Wood, 1967. S.T.L.
19: sides of ditches & streams, Audley End Gardens, 1874,
F.Y.B.; Great Canfield, 1922, E.A.: by the Bourne Brook, nr.
Farnham: by Roman River, Birch Hall, Layer de la Haye, 1961,
E.S.; on banks of nearly every stream on the chalky boulder
clay, 1967, K.J.A.