322 



NEW YORK 8TATE MTJ8EUM 



Fig. 3 A mature plant with the cap fully expanded and the gills of a blackish- 

 brown color. 



' 4 4 Vertical section of the cap and the upper part of the stem of a young 

 plant. 



4 4 5 Vertical section of the cap and upper part of the stem of a mature 

 plant. 



f 4 6 Four spores, X 400. 



PLATE 9. 

 Agaricus Rodmani Peck. 

 Rodman's Mushroom. 



Fig. 1 A young plant. 

 44 2 A plant with the cap partly expanded, showing the pinkish color of 

 the gills. 



14 3 A mature plant with the cap fully expanded. 



* 1 4 Vertical section of the cap and upper part of the stem of an immature 

 plant. 



4 ' 5 Vertical section of the cap and upper part of the stem of a mature 

 plant. 



' 4 6 Four spores. X 400. 



Agaricus placomyces Peck. 

 Flat-cap Mushroom . 

 Fig. 7 A young plant with the veil just separated from the margin of the 

 cap. 



4 4 8 A plant with the cap partly expanded. 



* ' 9 A mature plant with the cap fully expanded. 



44 10 Vertical section of .[the cap and upper part of the stem of an immature 

 plant. 



4 4 11 Vertical section of the cap and upper part of the stem of a mature 

 plant. 



4 4 12 Four spores, X 400. 



PLATE 10. 



COPRINUS COMATUS Fr. 



Shaggy Coprinui 



Fig. 1 A young plant. 

 4 4 2 and 3 Immature plants with the cap beginning to split on the margin 



and the gills beginning to assume the pinkish and blackish hues. 

 4 4 4 A mature plant with the margin of the cap much split and recurved 



and the gills blackened, deliquescing and dripping with an inky 



fluid. 



4 4 5 Vertical section of the cap and upper part of the stem of a young 

 plant. 



4 4 6 Vertical section of the cap and upper part of the stem of a plant 



approaching maturity. 

 4 4 7 Four spores, X 400. 



