The distribution of the Oxlip Primula elatior (L.) Hill in Essex Fig. la. Distribution map showing the current distribution of the Oxlip in Essex Fig. 1b. Distribution map showing the changes that have occurred since 1974 Maps produced using DMAP, software developed by Dr Alan Morton Key: A solid circle denotes a site with Oxlips in 1974 and where the plant is still present; an open circle denotes a site that no longer has Oxlips present; a circle with a dot denotes a new site for the plant recorded since 1974. 126 Essex Naturalist (New Series) 19 (2002)