BRYOPHYTE NOTES FOR 1961
71
Campylium protensum (Brid.) Kindb. Growing with C.
chrysophyllum on steep bank close to Debden Water near New-
port. March 4th 1961. V.c. 19.
Brachythecium populeum (Hedw.) B. & S. From concrete
bank by Bourne Brook near Farnham, Sept. 9th 1961. V.c. 19.
Recorded many years ago by F. Y. Brocas but his specimen was
incorrectly named and proved to be Hypnum cupressiforme var.
resupinatum. It is now restored to its position in the Essex list.
Scleropodium caespitosum (Wils.) B. & S. From concrete
bank by Bourne Brook near Farnham, Sept. 9th 1961. V.c. 19.
Eurhynchium praelongum var. stokesii (Turn.) Hobk. From
a chalk bank by the Bourne Brook near Farnham, Sept. 9th 1961.
V.c. 19. A distinctive form of a very common moss, it is a darker
green than the normal form and of rigid growth. Seems to occur
in the chalk regions of N.E. Essex and will probably be found to
be present in the chalk pits at Grays in v.c. 18.
LIVERWORTS
Diplophyllum albicans (L.) Dum. Found with perianths
growing by a sandy ditch in Stour Woods near Wrabness on Oct.
7th 1961. V.c. 19. A common species of the more acid wood-
lands of southern Essex. This is the first Field Club record for
this species in V.c. 19.
Unusual Species Seen During the Year
Dicranella rufescens (Sm.) Schp. From a ditch near the Wake
Arms, Epping Forest, Aug. 1961. First recorded by Dr. Rose for
Monk Wood, Epping Forest, in 1951, this is a very small species,
the plants seen were dark reddish in colour. It has not been
recorded elsewhere from Essex.
Two members of the sub-genus Orthodicranum were found
in the Stour Woods on Oct. 7th 1961. These are: —
Dicranum montanum Hedw. and D. flagellare Hedw.
The first was also seen in the woods at Birch Hall earlier in the
year. All three members of this group can be found in the woods
in Hertfordshire just over the border. The third member, D.
strictum Schleich. has not yet been recorded in Essex, but in view
of its widely-spaced distribution in Hertfordshire it is probable
that it is also present in Essex. The writer has noted that all
these species may be found on the trunks of both living and dead
trees and although there may be a preference for one or the other
of these habitats they are certainly not confined to one of them
only.
Dicranella schreberiana (Hedw.) Dix. A new-comer to Essex.
Since 1959 members of the Field Club have located D.
schreberiana in vice-counties 18, 19 and 20. In Essex (V.cs. 18
and 19) it has now been found in 11 of the 10 Km. squares into
which this area is divided for the purpose of recording. It seems
to favour disturbed ground and has been seen in gravel diggings
at Fishers Green (Waltham Abbey), Bobbingworth (near Ongar)