22 BOTANICAL RECORDING IN ESSEX I would haue liked in this centenary year of the Field Club to haue surveyed the changes that haue taken place in the flora of Essex ouer the last 100 years. Unfort- unately however, there are large gaps in our knowledge of the flora during this period which will have to be filled by further researches before this can be done with any authority. The first Flora of Essex, by George S. Gibson published in 1846, attempted to compile all the records of Essex plants then available from the earliest times. Between 1846 and 1930, the starting date for the second vascular plant Flora of Essex by Stanley T. 3ermyn, however, a period of 84 years remains largely undocumented. With the formation of the Field Club in 1880, a steady stream of records began to accumulate in the Essex Naturalist, but these have never been collated and published in one volume. Furthermore, the majority of the herbarium material in the Essex Museums has never been catalogued or fully authenticated, and many thousands of herbarium sheets of material collected in Essex occur in museums dotted around the country. Apart from the historical value of these early records, they can often give a clue to the localities for plants that still remain to be rediscovered. A further reason for cataloguing and authenticating these herbarium records is that in many museums curation leaves much to be desired and material is being irretrievably lost. In 1968, A.G. Pettifer attempted to do for the bryophytes what Gibson had done for the higher plants, a daunting task. His Bryophyte Flora of Essex lists all the moss and liverwort records known at that date. Although the first record of a bryophyte from Essex, Lunularia, collected by Dale and described new to science by Ray in 1686, would suggest a long line of recording, the main spate of records begins in the 19th century. Never- theless herbarium material, again largely uncatalogued, is scattered in museums all over the country and in private collections, and new records are still being made from these herbaria.