Algal species lists

During the joint meeting of the British Phycological Society and the Soci~t~ Phycologique de France held in the Channel Islands in September 1960 a number of excursions were made to various localities in Guernsey, Herm and Sark.Algal records collected during these excursions are listed below.It should be realised that these lists are by no means compline in that many of the plants collected have not yet been identified.The order of species and the nomenclature are based on those of Parke (1953, 1956, 1957, 1959).Because of the difficulties involved in determining tidal zones in the field, reference is made only to the following approximate regions : supra-littoral, upper and lower midlittoral, and sub-littoral.The names of the Guernsey localities are taken from the Ordnance Survey map, whilst for Herm and Sark the names are those in general use.The localities are numbered as follows :--