19-22-23.] BOTANICAL SOCIETY OF EDINBURGH 175 



pp. 11-20 (January 1864) ; Annual Reports of the Botanical 

 Exchange Club of the British Isles ; "A new List of the 

 Flowering Plants and Ferns of Orkney," edited by W. A. 

 Irvine Fortescue, and published in " The Scottish Naturalist " 

 (1882-1884) ; " Supplement to Topographical Botany," ed. ii, 

 by Arthur Bennett, A.L.S. (1905) ; and " Flora Orcadensis," 

 by Magnus Spence, F.E.I.S. (1914). 



The nomenclature followed is that of the second edition 

 of Watson's " Topographical Botany " (1883), except in 

 the case of species and varieties which are not recorded in 

 that work. In the latter case the nomenclature adopted 

 is that of " The London Catalogue of British Plants," tenth 

 edition (1908), except where otherwise stated. Non-native 

 plants, which have become naturalised in Orkney, are dis- 

 tinguished by a * prefixed to the names, and the names of 

 casuals are printed in italics. 



Of the 23 species and varieties recorded from Orkney in 

 the following list, 10 are native, 1 is naturalised, 4 are mere 

 casuals introduced into Orkney through the agency of cultiva- 

 tion, and 8 were planted by man. 



Abbreviations. 



" Annals Scot. Nat. Hist." = The Annals of Scottish Natural History. 



Bennett, " Supj)]. To]). Bot." = Supplement to H. C. Watson's Topo- 

 graphical Botanv, second edition. By Arthur Bennett, A.L.S. 

 ("1905). 



" Bot. Exch. Club Rei)ort " (separate Reports by the Secretary and 

 Distributor) = Report of The Botanical Exchange Club of the 

 British Isles, at present called The Botanical Society and 

 Exchange Club of the British Isles. 



" Journ. Bot." = The Journal of Botany. 



" Lond. Cat." = The London Catalogue of British Plants. 



Neill, " Tour "=A Tour through some of the Islands of Orkney and 

 Shetland, in the year 1804. By Patrick Neill, A.M., Secretary 

 to the Natural History Society of Edinburgh (1806). 



" Scot. Nat." = The Scottish NaturaHst. 



Spence, " Flora Orcadensis " = Flora Orcadensis. Bv Magnus Spence, 

 F.E.I.S. (1914). 



Watson, "Top. Bot."=Topographical Botanv, second edition. By 

 H. C. Watson (1883). 



Corrections. 



In " Trans. Bot. Soc. Edin.," vol. xxviii, part ii, p. 56 (1921), 

 for " Fuchsia Riccartoni, Hort, Am. bor. Cult, (fide G. C. 



