Some recent Suffolk plant records

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SOME RECENT SUFFOLK PLANT RECORDS

compiled by E. M. HYDE and F. W. SIMPSON For each record the following information is given: locality and habitat, Ordnance Survey 10 km. Square, vice-county, finder's name or initials (see key at end of article) and date of record. The comments are those of the Compilers, based in some cases on information supplied by the Anders. The nomenclature and order of the species are with very few exceptions those of Flora Europaea. The Compilers wish to thank the specialists who determined, or confirmed the identity of, specimens, especially Eric Clement, who, over the years, has generously given his time and expertise. Simpsons Flora of Suffolk is used as the authority for claiming first and second County records. Gymnocarpium robertianum ( H o f f m . ) Newm., Limestone Fern. Campsey Ash, four specimens on mid-19th. Century brick wall, TM35, v.c. 25, FWS, 1983. Other ferns on this wall: Asplenium trichomanes L., A. adiantum-nigrum L., A. ruta-muraria L., Phyllitis scolopendrium (L.) Newm. and Dryopteris filix-mas (L.) Schott. A n Ipswich site for this fern recorded in Simpson's Flora of Suffolk has now been destroyed by demolition. This was a factory wall in Tower Ramparts. Also destroyed was the fine colony of Adiantum capillus-veneris L. and Phyllitis scolopendrium (L.) Newm., illustrated in the Flora. Polypodium spp. Though now absent from certain areas, Polypody in the aggregate is a comparatively common fern in Suffolk. It has been recorded from almost all the 10 km. squares in the County, but the actual distribution of the two species so far recorded, and of their hybrid, is not yet fully known. It has, however, long been clear that Polypodium vulgare L. is rare, whereas P. interjectum Shivas is more frequent. Simpson (1982) records the former from two squares only since 1950, while P. interjectum has eight such records. Because of the difficulty of identifying the species, a number of specimens were sent early in 1983 to Mr. R . H. Roberts, who had kindly agreed to determine them. The account which follows includes all these determinations and a few separate records made by IMV, F E and G W M . Polypodium vulgare L., Polypody. (i) Polstead, small colony on roadside verge near Stack Wood, TL94, v.c. 26, E M H , 30/1/83. Conf. R H R , 4/83. Hb. E & M H . The second record for West Suffolk. (ii) Bentley, one large clump on the edge of Dodnash Wood, TM13, v.c. 25, E M H , 1/1/83. Conf. R H R , 4/83. Hb. E & M H . The second record for East Suffolk. (iii) Boyton, hedgebanks just north of village and near Boyton Hall, TM34, v.c. 25, I M V and F E , Sept. 1983.

Trans. Suffolk Nat. Soc. 20


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