Fungi with Gills 
Common Mushroom (Edible) 
Agaricus campestris (See PLates Facinc PAGES 74 AND 75) 
Cap or Pileus—Silky, or with fine fibres. The young plants— 
“‘buttons”—are hemispherical or almost globose. The 
mature plants are convex or nearly flat. White, or tinged 
with dingy browns. Skin separable. Margin extending 
beyond the gills. 
Gills or Lamelle—Delicate pink, then dark brown, covered by a 
veil in young plants. Crowded, rounded at the inner ex- 
tremity. Not attached to stem 
Stem or Stipe—White, smooth; stuffed; that is, softer within than 
without. Shorter than the diameter of the cap. 
Ring or Annulus—Delicate, often disappearing with age. 
Flesh—White. Much esteemed. 
Spores—Brownish, elliptical. 
Time—Late summer and autumn. 
Habitat—In pastures, lawns, and open places. 
Agaricus campestris is the mushroom ordinarily seen in the 
markets, either fresh from the growers or preserved in cans. 
Rodman’s Mushroom (Edible) 
Agaricus Rodmani 
Sections of A. Rodmani 
C4m-pés'-ttis Rdd-min'-3 
76 
