NATURAL HISTORY SURVEY 



globose spores and from the latter by its whitish color bei 

 clear and persistent. From both it differs in the more 

 decurrent lamellae, pungent taste and disagreeable odor. 



Under a cultivated spruce tree al Wilmette. September an 

 October, 1000 to 1001. Described by Prof. Peck, from specimci 

 collected by Dr. L. B. Watson. 



Clitocybe socialis Fr. 



Pileus pale yellowish with a reddish tinge, fleshy, convi 

 then expanded, acutely umbonate especially when young, even, 

 smooth, dry; flesh moderately thin, white. 



Lamellae plano-decurrent, scarcely crowded, becoming yellow. 



Stem solid, fibrous, commonly ascending, smooth, reddish, the 

 rooting base hairy. 



Pileus 2.5 cm. broad; stem 2.5cm. long, 4 mm. or a little n. 



thick. 



Gregarious among dead leaves, wooded hillside, < Men Ellyn, 

 September. The stems of our plant are frequently 3.5 to 6.5 cm. 

 long. Remarkable for the very acute umbo of the pileus. Spon 

 globose, echinulate, to 10 /x. 



Clitocybe odora Bull. 



Pileus greenish, fleshy, convex then flattened, obtuse or ob- 

 soletely umbonate, regular or repand, even, smooth, margin 

 pubescent; flesh rather thin, dingy-white. 



Lamellae adnate-decurrent, slightly distant, broad, entire. 

 commonly paler than the pileus. 



Stem stuffed, equal or enlarged downward and somewhat 

 bulbous, at first floccose-fibrillose, soon naked, commonly white- 

 villous at the base. Tough: with the odor of anise. 



Spores ellipsoid-sphaeroid, 6 x ~r />.. Pileus, 9 cm. broad; stem 

 5 cm. or more long, 6 to 8 mm. thick. 



Grassy places in woods; often growing on dead leave- and 

 twigs. August to October. Spores subglobose, 6 to 7 x It" 5 /*. 

 The beautiful greenish color of the pileus becomes paler a< 

 plants mature. The characteristic odor persists for several ; 

 in herbarium specimens. The species is edible. 



Clitocybe multiceps Pk. 



Pileus fleshy, thin except on the disk, firm, convex, sligh 

 moist in wet weather, whitish, grayish or yellowish-gray; flesh, 

 white; taste mild. 



Lamellae close, adnate or slightly decurrent, whitish. 



Stems densely caespitose. equal or slightly thickened at the 

 base, solid or stuffed, firm, slightly pruinose at the apex, whi 



Pileus 2.5 to 7.5 cm. broad; stem, 5 to 10 cm. Ibi 12 mm. 



thick; spores globose, 5 to 7.5 /j.. 



Bank among dead leaves, open woods and railroad station 

 grounds, Glen Ellyn, November. 



Pileus silky-shining, grayish-cervine when dry: st tan- 

 formed by mutual pressure. 



