96 THE ESSEX NATURALIST Gymnocolea inflata (Huds.) Dum. 18. bog nr. Alder's Brook, Epping Forest, 1800, E.F.; Epping Forest, 1950, R.A.B.; Ongar Park Wood, 1958, E.S.; Mill Green Wood, 1958, A.J.P.; plentiful, marshy ground nr. Wake Arms, Epping Forest, 1959, E.S.; High Woods, Ingatestone, 1960, E.S.; pond by Whipp's Cross roundabout, 1967, K.J.A. 19: Tiptree Heath, 1863, E.G.V.; Lodge Road, Epping Forest, 1959 & 1962, and 1967, K.J.A. JUNGERMANNIACEAE Solenostoma crenulatum (Sm.) Mitt. 18: Epping Forest, 1950, J.H.G.P.; Norsey Wood, Billericay, 1958, F.R. & B.T.W.; Epping Forest, 1967, B.T.W. Hainault Forest, 1967, K.J.A.; Ongar Park Wood, 1967, S.T.L. 19: Tiptree Heath, 1862, E.G.V.; Quendon Wood, 1967, K.J.A & A.J.H. Nardi scalaris (Schrad.) 8. F. Gray 18: between Hale End and Woodford Row, Epping Forest, 1800, E.F.; nr. High Beach, Epping Forest, 1800, E.F.; Epping Forest, St J.M. (no date); Thorndon Park, Brentwood, 1958, K.A. & A.J.P.; locally abundant by roadside between Wake Arms and Theydon Bois (c.fr.), 1962 & 1964, E.S. Nardia geoscyphus (De. Not.) Lindb. 18: wet sandy path to Long Running, Epping Forest (c.fr.); plentiful on sides of gravel pit, Mill Green, 1962, E.S.; plentiful on side of pond by road, Little Monk Wood, Epping Forest, by ditch on road from King's Oak to Wake Arms, Sunshine Plain, Epping Forest, 1964, E.S.; just west of Home Guard ditch, nr. Jack's Hill, 1967, K.J.A. Plagiochilaceae Plagiochila asplenoides (L.) Dum. 18: nr. Muncombe, Epping Forest; ditch at edge of Hainault Forest, between Maypole & Claybury, 1800, E.F.; abundant at Wimbish Hall, sparingly in a wood nr. Little Walden, 1874, F.Y.B.; Danbury, 1926, St J.M. 19: Chaulkney Wood, 1860, E.G.V.; and 1942, P.W.R, & E.F.W. Plagiochilla asplenoides var major Nees 18: by pond in woodland, Curtis Mill Green, 1959, E.S.; Knightlands Wood, 1967, S.T.L. 19: Quendon Woods, 1950, E.C.W.; Hatfield Forest, Can- field Hart Wood. nr. Takeley, 1967, K.J.A.: Hales Wood, nr. Saffron Walden, 1967, K.J.A. '& A.J.H.