202 NEW YORK S.TATE MUSEUM 



Lactarius chelidonium Pk. 



Celandine Lactarius 



i Young plant with marginal zones on the cap 



2 Mature plant with marginal zones on the cap 



3 Mature plant without marginal zones 



4 Old plant with cap fully expanded 



5 Vertical section of a plant 



6 Four spores X 400 



Lactarius distans Pk. 



Distant gilled Lactarius 



7 Young plant 



8 Mature plant with convex cap 



9 Mature plant with cap fully expanded 



10 Vertical section of a plant 



1 1 Four spores X 400 



Lactarius gerardii Pk. 

 Gerard's Lactarius 



12 Young plant 



13 Mature plant with convex cap 



14 Mature plant with cap fully expanded 



15 ■ Vertical section of a plant 



16 Four spores X 400 



