192 NEW YORK STATE MUSEUM 



PLATE 70 



Lactarius subpurpureus Pk, 



Purplish Lactarius 



FIG. 



I Plant with cap partly expanded 



2, 3 Plants with caps fully expanded 



4 Vertical section of the upper part of a mature plant 



5 Transverse section of a stem 



6 Four spores x 400 



Lactarius deceptivus Pk. 



Deceptive Lactarius 



7 Young plant with gills concealed by the veil 



8 Immature plant 



9 Mature plant 



10 Vertical section of the upper part of a mature plant 



1 1 Four spores x 400 



PLATE 71 



Russula brevipes Pk. 



Short stemmed Russula 



I Immature plant 



2, 3 Mature plants 



4 Vertical section of a plant 



5 Four spores X 400 



Russula nigricans {Bull) Fr, 



6 Immature plant showing reddish color of wounds 



7 Mature plant 



8 Vertical section of the upper part of a plant 



9 Four spores x 400 



PLATE 72 



Russula abietina Pk. 



Fir tree Russula 

 I, 2 Young plants 



3 Immature plant 



4-7 Mature plants with the caps differing in color 



8 Vertical section of the upper part of a young plant 



9 Vertical section of the upper part of a mature plant 



10 Color of spores in mass 



1 1 Four spores X 400 



