198 Cincinyiati Society of Natitral History. 



wide above, taperinjj downward to a narrow nearly sessile base. This 

 and dcdlhdtKs are two fine new species first discovered by Mr. Lea. 



6. P. uousALis, Bosc. — Pileus fleshy coi-iaceous, at first resupinate, 

 afterward expanded, sessile, somewhat reniform, tomentose, luteous, 

 expallent. Lamellffi broad, ratlicr distant, orange-tawny. Spores 

 coloredjike tlie l;nni-lhT3. 



On stnmps and trunks. Pileus 1^-3 in. broad. Often imbricate and 

 sessile or sometimes slightly stipitate. This I have no doubt is the 

 same plant as Agnricus nidulaus, Fr. I have oliserved it carefull}' in 

 every stage and it agrees perfectly with tlie figure and description in 

 Fries' Icones, except the substance is leathery and persistent, not 

 putrescent. 



Genus XIII.— Trogia. Fr. 



Lamellre fold like, crisped, the edge obtuse. Spores white. 



1. T. cuiSPA, Pers. — Tough, cupular-reflexed, lobed, villous, reddish- 

 3'ellow, Lamellae fold-like, forked, crisp, whitish or lavender. 



Upon branches of beech, etc., rather scarce; late in autumn and 

 during the wintei'. Pileus ^-1 in. broad, sometimes whitish in color, 

 sessile. 



Genus XIV. — Schizophyllum, Fr. 



Pileus not fleshy, drv. Lamelh'c coriaceous, flabelliform-branched, 

 joined above by a tomentose pellicle, bifid, the edge longitudinally 

 split. Spores white. 



\. S. COMMUNE, Fr. — Pileus adnalc behind, somewhat extended, 

 sini))le and lobed. Laniellre £rray Www brown-pui'plish, the two 

 divisions of the edge spreading or revolute. Spores nearly globose, 

 very small, .0025 mud. in diameter. 



Growing upon trunks and branciies; very common, in this region, 

 seeming to flourish best in liie nilM wet weatiicr of winter. Pileus 1- 

 \\ in. broad, wiiitc or gray, tomentose, sessile or witit a short lateral 

 stipe; the in:iigin even dy variously lobed nnd split. It grows in all 

 the regions of the earth. 



Genus XV. — Lenzites, Fr. 



Pileus corky or co.iaceous; the texture dry, floccose. Lamelh\j cori- 

 aceous, lirni, of like texture with the pileus. Spor(^s white. 



1. L. HKTULiNA. Linn. — Pileus dimidiate, sessile, persistent, corky- 



