Studies and Illustrations of Mushrooms: T. 7 



picture, is convex. (See figure 94 "^ The surface is usually white, 

 though sometimes brownish, and usually is covered by a thin layer of 

 very dehcate threads, while the flesh or inner portion is more com- 

 pact, and is white also 



On the under side of the cap are numerous thin plates or *' gills " 

 (lamellae), which radiate from near the stem to the margin of the cap. 

 These are shown in figure 96 as fine radiating lines. They do not quitL' 

 reach the stem, or, when they do, they are not attached to it. \\ hen 



88 — Agaricus campcstns. '■''Buttons^' peeping through the sod. 

 Some spawn at the left lower corner. Soil removed fro >n front. 



the plant is very young the gills are first white, but soon become a 

 bright pink color, and in age change to a dark brown. The substance 

 of the stem is less compact at the center, but the stem is not really 

 hollow, though in some instances there are slight indications of it. 



The parts of the common mushroom, then, are cap [pileus), gills 

 (lamellcE), stem {stipe), ring {annulus). We must bear in mind, how- 

 ever, that there are many other plants which possess just these same 



