Abstract
IN order to incorporate the results of the systematic examination of the mosses, hepatics and lichens of the East Friesian Islands, Dr. Buchenau has brought out a fourth edition of his flora. The previous edition included the descriptive text of the phanerogams and pteridophytes and a highly interesting ecological account of the types of vegetation. A comparison of the flora of the islands and of the mainland brings out some curious points of difference. On this account the author rescinds his former opinion that the plants had travelled over from the continent; more probably, he suggests, the insular vegetation represents the remains of an ancient diluvial flora. No changes are made in the previous issue, the new edition consisting in the addition of some extra pages, which contain a list, without diagnoses, of the Muscineæ and Lichenes and an appendix giving corrections and addenda. Amongst the mosses it is interesting to find recorded a group of Bryums, represented by Bryum calophyllum, which are found locally in this country on sandhills near the mouths of certain rivers. The fungi of the islands are now being worked by Herr E. Lemmermann, and his results will be included in a future issue.
Flora der ostfriesischen Inseln.
By Dr. Fr. Buchenau. Fourth edition. Pp. iv + 213. (Leipzig: Wilhelm Engelmann, 1901.)
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Flora der ostfriesischen Inseln . Nature 66, 149 (1902). https://doi.org/10.1038/066149b0
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DOI: https://doi.org/10.1038/066149b0