Chlorophyllum molybdites (G. Mey.) Massee ex P. Syd. 1900

Chlorophyllum molybdites Mass. Kew Bull. 1898: 136. 1898
Agaricus Molybdites G. Meyer, Fl. Esseq. 300. 1818.
Pholiota Glaziovii Berk, in Warming, Vidensk. Meddel. 1879-80: 32. 1879.
Agaricus Morgani Peck, Bot. Gaz. 4: 137. 1879.
Lepiota ochrospora Cooke & Mass. Grevillea 21: 73. 1893.
Chlorophyllum esculentum Mass. Kew Bull. 1898: 136. 1898.
Agaricus guadelupensis Pat. Bull. Soc. Myc. Fr. 15: 197. 1899.
Pileus fleshy, at first globose then convex and expanded or depressed, gregarious or in rings, 10-20 cm. broad; surface white beneath the cuticle, radiate-fibrillose, the cuticle at first continuous, buff to pale-umber, soon broken up, except in the center, into irregular scales and r
patches, which are gradually drawn apart and at length are more or less deciduous; context thick, firm, white, changing to reddish when bruised, poisonous to some persons; lamellae rather broad, ventricose, close, remote from the stipe, at first white then changing to a greenish hue, at length dullgreen; spores in mass at first bright-green, fading to dull-green and becoming sordid with age, subellipsoid, obliquely apiculate, uniguttulate, 7-11X5-7 mJ stipe hard and firm, tapering upward from the thickened base, fistulose, fibrous-stuffed, the surface glabrous, white or buff to paleumber, 10-20 cm. long, 1-2 cm. thick at the apex, 2-4 cm. thick at the base; annulus thick, ample, soft, subcoriaceous, movable, apical.
Type locality: Guiana.
Habitat: Meadows, pastures, cultivated grounds, and open woods.
Distribution: New Jersey to Iowa and southward to Arizona, Texas, the West Indies, and Brazil.