6
One edition of the Bulletin was produced, the
second being in the later stages of production
at the end of the year.
The membership was 263 on the 31st December,
1989.
SHEILA LESWELL
THE INTRODUCED SOUTH AFRICAN WATER PLANT
LAGAROSIPHON MAJOR ('CURLY WATER-THYME')
This plant, which is like a large, stiff,
curly-leaved version of its relative the
Canadian pondweed Elodea canadensis (family
Hydrocharitaceae), is often grown in garden
ponds and aquaria, and owing to the
soft—hearted habit of tipping the unwanted
contents of the latter into ponds instead of on
the garden it has joined the British flora as
an alien. It was first spotted in a pond at
Arlesey, Bedfordshire, in 1944, has been
recorded from there several times since, and
was seen four years ago by one of the original
discoverers, Dr. John Dony, who says that for
all he knows it is still there. During this
time it has survived some bitter winters, such
as that of 1962-3.
In 1957 and on several subsequent occasions it
was recorded from the Hollow Pond at Whipp's
Cross, at the southern end of Epping Forest,
and Ken Adams told us it was still there,
though he thought that there may' have been