64 Twenty-fourth Report on the State Museum. 



AaAEICUS PYXIDATUS Ft. 



Ground in pastures. Greig. September. 



Agarioijs ulmaeius Ft. 



Elm trees. Trenton Falls. September. 



I have what appears to be a form of this species, with the pileus 

 destitute of spots and the lamellae deeply emarginate. It grows 

 in large tufts from the roots of maple trees. 



Agaricus porkigens Ft. 



Rotten wood in woods. Common in the North woods. Sep- 

 tember, October. 



Agaricus (Plitteus) admirabilis n. sp. 



Pileus rather thin, convex, broadly umbonate, glabrous, rugose- 

 reticulated, hygrophanous, obscurely striatulate on the margin 

 when moist, bright yellow ; lamellae close, broad, remote, dull yel- 

 lowish, then flesh colored ; stem slender, smooth, hollow, equal or 

 slightly thickened at the base, yellow, with a white mycelium; 

 spores subglobose, ^^^jVir' long. 



Plant 1.5'-2' high, pileus 6"-10" broad, stem scarcely 1" thick. 



Old logs in woods. Greig. September. 



Near A. chrysophlebius from which it is separated by the umbo- 

 nate, hygrophanous, uniformly yellow pileus, differently colored, 

 lamellae and stem not enlarged above. 



Agaricus seeicellus Ft. 



Ground in woods. Catskill mountains. Juty. 



Agaricus (Entoloma) Grayai^us n. sp. 



Pileus fleshy, convex, frequently wavy or irregular, hygropha- 

 nous, dull watery yellow when moist, smooth, shining and nearly 

 white when dry ; lamellae plane, close, flesh colored ; stem equal, 

 firm, solid, white ; spores subglobose, irregular 3 oV o' long. 



Plant gregarious, 2-3' high, pileus 1.5'-2' broad, stem 3"-5 " thick. 

 Ground in old roads. Sandlake. August. 

 Dedicated to Prof. A. Gray, in view of his eminent position as 

 a botanical writer. 



Agaricus (Entoloma) cuspidatus n. sp. 



Pileus thin, conical or subcampanulate, smooth, shining, bearing 

 an elongated papilla or cusp at the apex, the margin often irregu- 



