Lactarius lignyotus Fr. 



SOOTY LACTARIUS 



1 Young plant 



2 riant of mediuni size showing crenate and striate margin of cap 



3 Large plant with fully expanded cap showing a small umbo and 



irregular radiating ridges ; also discolored wound of gills and 

 drop of milk issuing from it 



4 A^ertical section of upper part of a young plant 



5 \'ertical section of upper part of a mature plant 



6 Four spores x 400 



92 



