MASSEE AND CROSSLAND : FUNGUS FLORA OF YORKSHIRE. 155 



S.E. — Pocklington (F.F., '93). 



On trunks and branches. Usually effused like the previous 

 sp., then may be taken for a Poria on superficial examination. 

 The stratose arrangement of pores, however, reveals its true 

 character. 



PORIA Pers. 



1065. Popia vaporaria Fr. 



Very common on rotting branches in moist woodseverywhere. 



1066. Poria mollusca Fr. 

 N.E. — Scarboro.' On rotten wood. 



S.W. — Steeton. On decaying wood (Lees' Fl.). 



1067. Poria vulgaris Fr. 



S.W.— Hx. 1790 (Bolton, Tab. 166, figs. A & B). Roche 

 Abbey Valley (Lees' FL). Gomersall. Owston (F.F., '99). 



N.E. — Scarboro' (Tr. iv). Castle Howard (F.F., '92) 

 Mulgrave Woods (F.F., 1900). Stokesley (Exc, '99). On 

 dead branches, etc. 



Mid W.— Studley Royal and Harrogate (F.F., '81). 



1068. Poria medulla-pan is Pers. 



S.W. — " On the surface of wood or bark .... about 

 Halifax not unfrequently " (Bolton, Tab, 167. fig. 2). Green 

 Hurst near Hebden (Fl. Hx.). Sutton near Askern (F.F., '99). 



N.E. — Scarboro'. On rotten wood. 



S.E. — Pocklington (F.F., '93). 



Mid W. — Stainer Wood near Selby (' Nat.', April 1903). 



N.W.— Masham ('Nat.', June 1902). Bowes (*' Nat.', Sep. 



'03)- 



1069. Poria vitrea Pers. 



N.E. — Scarboro'. On rotten pine wood. 



1070. Poria Hibernica B. & Br. 



N.E. Scarboro'. Mulgrave. On dead pine wood. 



1071. Poria Gordoniensis B. & Br. 

 S.W. — Doncaster. On fir, rare (Lees' FL). 



1072. Poria blepharistoma B. & Br. 



Frequent on wood far advanced in decay ; also on moist 

 leaf mould. Recorded for all county divisions. 



