19
Dog Rose
Dogwood
Elder
Elm
Field Maple
Gorse
Guelder Rose
Hawthorn
Hazel
Holly
Hornbeam
Lime
Oak
Privet
Sallow
Spindle
Sycamore
Wayfaring Tree
Climbers such as blackberry were not included.
Immediately it becomes evident that the species
criticism was well justified. This apparent
list of 25 species could be significantly
increased by including more than one species of
rose, elm, hawthorn, lime, oak and willow.
Problems of identification result from
differing degrees of expertise in identifi-
cation of plants such as roses and willows.
After attempting the exercise I must admit that
the recent criticisms of the method were very
convincing.
Organising this meeting for the Field Club
fired an interest in other attempts to quantify
dating by botanical methods. Woodlands of
south-east Essex can apparently be compared in
age by adding together the indicator values of