54
cells (clear to yellowish), and the
P. vulgare 12 or more (orange tinged) annulus
cells.
KEN ADAMS
LANGFORD BRIDGE TO STONDON MASSEY,
11TH SEPTEMBER, 1988
Twelve club members braved the drizzle to walk
along the Roding from Langford Bridge to
Stondon Massey on the 11th September. While
waiting for the party to arrive, the brickwork
buttresses of the bridge were examined for
mosses and yielded Tortula latiiolla,
Rhynchostegium murale, Barbula vinealis,
Oxystegus sinuosus and Orthotrichum
diaphanum. On passing through the farm,
which David Bloomfield informed us specialised
in everlasting flowers and herbs, we diverged
to look at a field of garden mint and
discovered a plant of Pennyroyal, now extinct
in Essex as a native plant, last being seen on
Matching Green, although it must once, pre-
sumably, have grown along Pennyroyal Road at
Danbury. Also by the edge of the same field
were several plants of an albino form of
Marjoram. Among the farm buildings were
several plants of a small, bright yellow alien
Achillea, and a little further on the local
grass Apera spica-venti was found on some
waste ground. An increasing and troublesome
week of light arable fields in southern Essex.
The lake and associated marshy poplar plan-
tation proved particularly interesting. At