T. intumescens is not rare in West Virginia, or where beech logs are in plenty, though it does not confine itself to beech. It occurs on maples and some other woods.

It resembles the T. mesenterica in taste, but is sweeter. It is not as large, but is equally good.

TREMEL´LODON Pers.

Tremo, to tremble.

Gelatinous, pileate, prickly below, spines awl-shaped, equal. Fries.

The members of this genus resemble in form the section Mesopus of Hydnum and have the same awl-shaped spines, but differ in their gelatinous consistency and fructification.

(Plate CXLV.)

Tremellodon gelatinosum.

T. gelatino´sum Pers.—gelatina, jelly. Pileus covered with a greenish-brown bloom, gelatinous, tremulous, dimidiate, somewhat stipitate, covered with small pimples. Spines soft, glaucous.