4 INTRODUCTION. 



The following abbreviations of the various sources of 

 information as to records have been adopted : — 



(Bolton, Cat.) = A Catalogue of Plants growing in the 

 Parish of Halifax, forming pp. 729-764 in Watson's History 

 and Antiquities of the Parish of Halifax, 1775. 



(Bolton's Hist. Fung. ; Bolton) = Bolton's History of 

 Funguses growing about Halifax, 1788-1791. 



(Tab. ... in Brit. Mus. Nat. Hist, coll.) = Bolton's un- 

 published drawings in the British Museum, Natural History 

 collection, South Kensington. 



With very few exceptions, Bolton's figures represent either 

 new species or first British records. Most of the specific 

 names he gives vary from those at present in use, but it is 

 not considered necessary to give these synomyns in all cases. 

 (Grev. . .) = Grevillea, A Quarterly Record of Cryptogamic 

 Botany, 1872-1894: Cooke and Massee. 



('Nat.') = The 'Naturalist.' Yorkshire Naturalist Union — 

 Y.N.U. — Monthly publication, July 1875-June 1905. 

 (Tr.)=; Transactions of the Y.N.U. 



Tr. i. issued 1878 contains Botanical Report for 1877. 

 Tr. ii. „ 1879 ,, ,, ,, 1878. 



Tr. iv. ,, 1880-2 ,, ,, ,, ^879. 



Tr. ix. ,, 1886 ,, List of Fungi collected in 



1881. 

 The Botanical Report — Cryptogams — for 1880 is 

 printed in instalments in ' Nat.' June, July, 

 Aug., and Sep., 1881. 

 ("Nat. . .) = The species was seen at a Y.N.U. Excursion, 

 and the record published in the ' Naturalist ' on date given. 



(Exc. . .) with date = The species was seen at a Y.N.U. 

 Excursion in the year given, but no record published in 'Nat.' 

 (Exc. Circ. . .) with date of Y.N.U. Meeting = The species 

 was referred to in the Circular issued for the Excursion. 

 (Goole S. Soc.) = Goole Scientific Society. 

 (Hud. Bot. Soc. ; H.B. Soc. ; H.B.S.) = Huddersfield 

 Botanical Society ; Report, 1883. A. Clarke. 



Trans. Y.N.U,, 1905 (pub. 1905). Bot. Series, Vol. 6, 



