98 TWENTT-THIRB ReFORi OX THE S'TATE CABINET. 



I 



subdecurrent, whitish, then purplish-brown ; stipe stout, solid, 

 rough, with squarrose scales below the annulus, sliglitly 

 striate above, white or pale yellow ; sj)ores purplish-brown. 



Height 4-6', breadth of pileus 2'- 4', stipe 6" thick. 



Ground in woods. Sandlake and Catskill Mountains. Octo- 

 ber. A fine species. 



93. Agaricus Johnsoxianus n. sp. 



Pileus fleshy, soft, brittle, broadly convex or expanded, 

 smooth, white, the disk yellowish, the margin thin, sometimes 

 purplish-stained, and, when moist, striatulate ; lamellae close, 

 rounded at the inner extremity, nearly free, white, then brown ; 

 stipe equal, smooth, annulate, solid, slightly striate at the top ; 

 annulus white, tumid, stained by the brown spores. 



Height 2-4', breadth of pileus 2'- 4', stipe 8"- 5" thick. 



Grassy ground in pastures. Knowersville. September. It 

 has a sweetish nutty flavor. 



Dedicated to Hon. A. S. Johnson, a worthy patron of natural 

 science, who has communicated to me specimens of some tine 

 species of fungi. (Plate 3, figs. 4-6.) 



94. Agaricus semiglobatus BatscJi. 



Pileus thin, hemispherical, sometimes convex, siiiooth, 

 glutinous when moist, white or pale yellow ; lamellcG very 

 broad, loose, attached, becoming black ; stipe slender, smooth, 

 tall, hollow, concolorous, annulate, viscid ; the annulus slight, 

 stained by the purplish-black spores, at length disappearing. 



Heiglit 3'- 5', breadth of pileus 6"- 12". 



On dung. Very common. May-September, 



95. Agaricus stercorarius Ft. 



Pileus thin, fleshy, convex, then expanded, smooth, viscid, 

 yellow ; lamellae broad, attached, brownish or brownisli-black ; 

 stipe firm, viscid when moist, stuffed with a whitish pith. 



Height 2'- 3', breadth of pileus 6"- 9". 



On dung and rich soil. West Albany. June. 



Differs from the preceding by its stuffed stem, and expanded 

 pileus. 



Subgenus — Hypholoma. 

 Veil woven into a fugacious web, whicli adlieres to the margin 



of the pileus. — Bei'lc. Outl. 

 In this subgenus the stem is not annulate. 



Synopsis of the Species. 



Pileus smooth, not hygrophanous 96. 



Pileus tomentose, hygrophanous i>7. 



