PRINCIPAL GROUPS OF PLANTS. 



FIG. 38. Fly Agaric (A manita muscaria), a very deadly mushroom. The cap is bright 

 red or orange, becoming yellow or even whitish in age, roughened with many thick, white 

 angular fragments of the volva; the stem is stout, white, scaly, bulbous, and hollow; volva 

 forming several concentric scaly rings on the bulb; gills free or touching, white or yellowish. 

 This is frequent in woodland, forest, or clearing from June to frost, and is deadly poisonous. 

 From monograph on Minnesota Mushrooms by Frederic E. Clements. 



