MASSEE AND CROSSLAND : FUNGUS FLORA OF YORKSHIRE. I23 



817. Lactarius (Piper.) flexuosus Fr. 

 Mid W.— Harewood (F.F., '88). 

 S.W.— Bingley. Goitstock. Hebden Bridge (Fl. Hx.). 



8i8. Lactarius (Piper.) pyrogalus (Bull.). 

 Frequent in woods. Distribution general. Poisonous. 



819. Lactarius (Piper.) squalidus Kromb. 



S.W.— Ovenden. Halifax (' Nat.', Dec. '90) ; Cooke's 

 Illustr. pi. 1004 a). Among moss in open beech wood. 



820. Lactarius (Piper.) chrysorrheus Fr. 



(Ag. zonarhts, Schaeff.). 



S.W. — Woodhouse Wood, Halifax, 1790 (Bolton, Tab. 144). 

 PecketWood, Hebden Bridge (Fl.Hx.). Edlington(F.F., '91). 



N.E. — Scarboro'. Arncliffe (F.F,,'94). Rievaulx (F.F.,'03). 



Mid W. — Beckwithshaw (F.F., '81). Langstrothdale. 

 Bolton Woods (Fl. Skipt.). 



S.E.— Blackwood, Selby (F.F., '84 and '96). 



821. Lactarius (Piper.) acris (Bolton). 



S.W.— Woodhouse Wood, Halifax, 1788 (Bolton. Tab. 60). 

 Goitstock (Fl. Skipt.). 



Mid W. — Ingleton (Lees' Fl.). 



822. Lactarius (Piper.) glaucescens Crossl. 



S.W. — On the ground in Wade Wood, Luddenden Dean, 

 and North Dean Wood, Hx. ('Nat.', Jan. 1900, pp. 5-6, figs. 1-3). 



823. Lactarius (Piper.) pergamenus Fr. 

 S.W.— Maltby Wood (T. Gibbs). 



N.E.— Arncliffe Woods (F.F., '02). Helmsley (F.F., '03). 



824. Lactarius (Piper.) piperatus (Scop.). 



Mid W. — " The earliest noticed West Riding Fungus 

 recorded in 1677 by Ray, in Cat. Plant. Angl. ed. ii., as found 

 by one Martin Lister, in Morton Woods, under Pinno Moor, 

 Craven. Well described by Dr. Lister in a letter to Ray, 

 Oct. i2th, 1672, in Derham's Letters" (Lees' FL). Bolton 

 Woods (Lees' FL). 



S.W. — "In woods about Halifax" (Bolton, Tab. 21). 

 Pecket Wood, Callis Wood, etc., near Hebden Bridge. 

 Roche Abbey Valley (Lees' FL). Goitstock (Fl. Skipt.). 



