983 NEW YORK STATIB MUSEUM 



PLATE 81 



Boletus pallidus Frost 

 pjQ Pale Boletus 



1 Immature plant 



2 Mature plant with convex cap 



3 Mature plant with cap more expanded 



4 Vertical section of the upper part of a plant 



5 Four spores x 400 



Boletus bicolor Pk. 



Two Colored Boletus 



6 Young plant 



7 Immature plant 



8 Mature plant 



9 Vertical section of the upper part of an immature plant 



10 Vertical section of the ujiper part of a mature plant 



11 Four spores x 400 



Bovista plumbea Pars. 

 Lead Colored Bovista 

 12, 13 Immature plants differing in size 



14 Plant nearly mature showing inner coat in three places 



15 Mature plant with part of outer coat remaining at the 



base 



16 Mature plant with outer coat wholly gone 



17 Small mature plant with inner coat nearly black 



18 Part of a branching thread of the capillitium x 400 



19 Four spores and their pedicels x 400 



