154 YORKSHIRE NATURALISTS* UNION. 



Mid W. — Stainer Wood, near Selby. 

 On trunks of various trees. 



1056. Fomes nigricans Fr. 

 N.W. — Helmsley igoo (H. Slater). On dead birch. 



1057. — Fomes salicinus Fr. 

 N.E.— Near Thirsk (*'Nat.', Nov. '82). Scarboro'. 

 Mid W. — By Myles Hill Beck, Meanwood, and Church 

 Fenton (Lees' Fl.). On old willow trunks, by streams. 



1058. Fomes fraxineus Fr. 



S.W. — Wentbridge ('Nat.', Aug. '77). On old ash trunk. 



1059. Fomes annosus Fr. 



Common. Distribution general. A most destructive tree 

 parasite ; preys chiefly upon conifers. 



1060. Fomes applanatus (Wallr.). 



S.W. — Seven Arches, near Saltaire (Lees' FL). 

 N.E. — Scarboro'. Egton Bridge (F.F., '02). 

 N.W. — Masham, spreading extensively over an old trunk in 

 saw-mill yard (' Nat.', Jan. '02). On tree stumps and trunks. 



1061. Fomes conchatus Fr. 



N.E. — Scarboro.' Bulmer (Tr. iv). On willow trunks. 



1062. Fomes ribis Fr. 



N.E. — Scarboro'. On old gooseberry bushes. 



1063. Fomes pesupinatus (Bolton) Mass. 



S.W. — " On dry decayed hazel bough near Burks Hall 

 (Hx.) Feb. 1790, This species is nearly related to the Boletus 

 cvyptamm of Bulliard, Texte, p. 350, No. 31, and probably may 

 be the same species" (Bolton, Tab. 165). Pecket Wood,, 

 Hebden Bridge (Fl. Hx.). Stainboro'. (F.F., '97). 



N.E. — Scarboro'., on old trunks. 



1064. Fomes ferruginosus (Fr.) Mass. {Boletus 

 cvyptamm Bull.). 



N.E.— Scarboro' (' Nat'., July '81). Mulgrave (F.F., igoo)^^ 

 Egton Bridge (F.F., '02). Helmsley ; Rievaulx (F.F., '03). 



Mid. W.— Ingleton (Lees' Fl.). Harewood (F.F., '98). 

 Stainer Wood near Selby 1903. Grassington (Exc. 1900). 



S.W— Edlington(F.F., '91). Owston ('99). Melton ('01). 



Trans. Y.N.U., 1904 (pub. 1904). Bot. Series Vol. 6. 



