Plate 1. Harebell Campanula rotundifolia (top lett), Meadow Saxifrage Saxifraga granulata (top
right), Crested Cow-wheat Melampyrum cristatum (bottom left) and Field Cow-wheat
Melampyrum arvense, now extinct in the county (bottom right) all © Charles Watson
See The changing flora of/he Essex countryside pp.15-17