AGARICINI.

227

Batsch’s figure, sometimes shaded very slightly, if at all, withpink.

2. P. conchatus, Fr.; pileus fleshy, but tough, thin, un-equal, excentric and dimidiate, cinnamon, then turning pale,at length squamulose; stem short, unequal, pubescent at thebase; gills decurrent, forming lines on the stem, somewhatbranched, pinkish-white, then ochraceous.— Bull. t. 298, 517

O, P.

On trunks of trees. Rare. Margate, etc. Not always somuch coloured, or so much inclined to be scaly, as is inti-mated by the specific character, or by Bulliard’s plate. Al-ways, however, easily known, by its conchate form and toughersubstance, from similar species of the genus Agaricus. A. in-constans, P., is merely a form of this species.

3. P. styptieus, Fr.; pileus kidney-shaped, coriaceous,cinnamon, turning pale; cuticle breaking up into mealyscales; stem short, lateral, dilated upwards; gills determi-nate, thin, crowded, connected by veins, cinnamon.— Soiv.t. 109.

On stumps, dead trees, etc. Extremely common.

15. XEROTUS, Fr.

Ilymenopliorum confluent with the stem. Gills tough orcoriaceous, dichotomous. Edge obtuse, entire.

1. X. degener, Fr.; pileus coriaceo-membranaceous, piano-depressed, flocculose, hygrophanous, striate when moist; stemslender, solid, velvety; gills fold-like, branched, very distant,pale.— Sow. t. 210.

In peat-mosses. I am not acquainted with this plant.

Q 2