76
THE ESSEX NATURALIST.
Sphaerocarpus Michelii Bellardi
18 or 19 C ; 19, Saffron Walden, 1926.
No satisfactory record for 18.
Riccia commutata Jack
19, Saffron Walden, 1926.
No record for 18.
Riccia glauca L.
18, "In Mark House Field" (Walthamstow), E.F. ; 19,
Kelvedon, E.G.V., 1863 ; 19 C.
No recent record for the county.
Riccia sorocarpa Bisch.
19, Saffron Walden, 1926.
No record for 18.
Riccia fluitans L.
18, "Hoghill Pond, Hainault," E.F. ; Epping Forest,
E.F.C. ; Still plentiful in ponds in Epping Forest. 19,
"Layer Marney," E.G.V., 1861.
No recent record for 19.
Ricciocarpus natans (L.) Corda
18, "Hoghill Pond, Hainault," E.F. ; Chigwell, P. Thompson
1917 ; Still plentiful in ponds near Chigwell, D. J.
Scourfield, 1926 ; 19 C.
No recent record for 19.
Conocephalum conicum (L.) Dum.
18, "Near Higham Hill," E.F. ; 18 C. ; 19, "Henham and
Titley," E.F. ; Great Canfield, Miss Armitage, 1923.
Lunularia cruciata (L.) Dum.
18, "Great Baddow," E.G.V., 1882 ; Epping Forest,
E.F.C. ; Grays ; 19 C ; Lower Forest, Epping, J. Ross,
1926.
Marchantia polymorpha L.
18, "Under a wall belonging to W. W. Langston, near
George Lane, Woodford," E.F. ; Epping Forest, E.F.C. ;
Often plentiful, especially on burnt ground, in Epping
Forest ; 19, "Kelvedon," E.G.V., 1844, and "Feering,"
1860.
No recent record for 19.
Aneura pinguis (L.) Dum.
18, (1) "On a bog in the Forest on the right-hand side
of the way from Salters' Buildings to the Windmill,"