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**) With a convex, smooth, or umbonate bossed/nippled cap.
Agaricus Acicula. The sewing-needle-shaped gill-mushroom. t. 222.
Agaricus atrorufus. The black-brown gill-mushroom. t. 234.
Agaricus aggregatus. The clustered gill-mushroom. t. 305-306.
Agaricus carneus. The flesh-colored gill-mushroom. t. 304.
Agaricus caryophyllus. Clove-mushroom. S. t. 77.
Agaricus chrysophaeus. The dark gold-yellow wood-mushroom. S. t. 253.
Agaricus clavaeformis. The club-shaped gill-mushroom. t. 308.
Agaricus clavus. Nail-shaped gill-mushroom. S. t. 59.
Agaricus coccineus. Carmine-red gill-mushroom. t. 302.
Agaricus collinus. Autumn meadow-mushroom. S. t. 220.
Agaricus conicus. The cone-shaped gill-mushroom. t. 2.
Agaricus fastigiatus. The pointed gill-mushroom. t. 26.
Agaricus fasciatus. The moss-mushroom with frosted stems. S. t. 223.
Agaricus fusipes. The spindle-footed gill-mushroom. t. 87 and 88.
Agaricus flavovirens. The green-yellow fleshy mushroom. t. 41.
Agaricus granulatus. Shagreen-like textured like sharkskin gill-mushroom. S. t. 21.
Agaricus griseus. The small grey moss-mushroom. S. t. 206.
Agaricus laccatus. Lacquer-red gill-mushroom. S. t. 13.
Agaricus leoninus. The lion-colored gill-mushroom. S. t. 48.
Agaricus luridus. The grey-yellowish gill-mushroom. S. t. 69.
Agaricus melleus. The honey-yellow gill-mushroom. S. t. 45.
Agaricus miniatus. The vermilion-red gill-mushroom. t. 313.
Agaricus multiformis. Many-shaped gill-mushroom. S. t. 14.
Agaricus niveus. The white gill-mushroom with decurrent running down the stem gills. S. 232.
Agaricus ochraceus. The ocher-brown gill-mushroom. t. 255.
Agaricus oedematopus. The thick-stemmed gill-mushroom. t. 259.
Agaricus pallidus. Pale yellowish gill-mushroom. t. 50.
Agaricus pascuus. The umber-brown meadow-mushroom. t. 229.
Agaricus pluteus. Roof-shaped gill-mushroom. t. 10.
Agaricus punctatus. The speckled gill-mushroom. t. 40.
Agaricus pusillus. The small gold-yellow gill-mushroom. S. t. 203.
Agaricus psittacinus. The parrot-colored gill-mushroom. t. 301.
Agaricus rubellus. Rose-colored gill-mushroom. t. 303.
Agaricus Russula (et roseus). The rose-colored false Russula. t. 58 and 75.
Agaricus rutilans. The fire-colored false Russula. S. t. 219.
Agaricus alliatus (Schaefferi). Schaeffer's garlic-mushroom. t. 99.
Agaricus squamosus. The scaly wood-mushroom. S. t. 29 and 30.