6^4 NEW YORK STATE MUSEUM 



Hypholoma incertum Pk. 

 Uncertain Hypholoma 



13 Three young plants united at the base 



14 Immature plant showing the young gills 

 15, 16 Two mature plants showing the gills 



17 Vertical section of the upper part of a young plant 



18 Vertical section of the upper part of a mature plant 



19 Transverse section of a stem 

 •20 Four spores X 400 



PLATE 59 



Lactarius Chelidonium Pk. 



Celandine Lactarius 



1 Young plant 



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 



11 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 



