126 YORKSHIRE NATURALISTS* UNION. 



843. Lactarius (Russ.) serifluus (DC). 

 S.E.— Market Weighton (* Nat., Oct. 1880). 



N.E. — Scarboro' (Nat., June '81). Castle Howard (F.F.,'92)^ 



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

 Horsforth (Tr. ix.). 



S.W.— Huddersfield (H.B.S.). Roche Abbey Valley;. 

 Bingley; Allerton ; Shipley Glen (Lees' FL). Goitstock.. 

 Hebden Bdge.; Luddenden and North Dean (Fl. Hx.). 



N.W. — Masham (Nat., May '03). In woods. 



844. Lactarius (Russ.) mitissimus Fr. 



Frequent in moist woods. Recorded for all the county 

 divisions. Distribution general. 



845. Lactarius (Russ.) subdulcis (Bull.). 



S.W. — " In woods about Hx. abundantly from Aug. to 

 Nov." (Bolton, Tab. 3). 



Common. Distribution general. 



846. Lactarius (Russ.) camphoratus Fr. 

 N.E. — Scarboro'. Helmsley (F.F., '03). In woods. 

 S.W. — In many woods in the neighbourhoods of Hebdea 



Bridge and HaHfax (Fl. Hx.). Huddersfield (F.F., '95). 

 Goitstock. Strines near Sheffield. 

 N.W.— Masham (Nat., Jan. '02). 



847. Lactarius (Russ.) cimicarius Batsch. 

 N.E. — Scarboro'. In woods. 



848. Lactarius (Russ.) subumbonatus Lindgr. 

 N.E. — Scarboro'. The first British record was based on 



specimens from Scarboro' fig. in Cooke's Illustr. pi. 986A. 

 Arncliffe, misprinted suhtomentosus in Nat., Nov. 1902.. 

 Helmsley (F.F., '03). On the ground in woods. 



S.W.— Sandal Beat (F.F., 91). HebdenBdg.,etc.(Fl.Hx.). 

 Huddersfield (F.F., '95). Owston (F.F., '99). Goitstock. 



Mid W.— Harewood (F.F., '98). 



849. Lactarius (Russ.) obnubilus Lasch. 

 N.E. — Scarboro'. In woods. 



Var. crenatus Mass. Variety founded on specimens 

 from Scarboro' (Cooke's Illustr. pi. 1014A). 



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



