Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi / How to select and cook the edible; how to distinguish and avoid the poisonous, with full botanic descriptions. Toadstool poisons and their treatment, instructions to students, recipes for cooking, etc., etc.

by Charles McIlvaine; Robert K. Macadam

(a) Inner peridium stipitate, the outer remaining as a volva at the base of the stipe.

1. Polyplocium.

Inner peridium pileate, with aculeiform processes underneath; threads of the capillitium slender, hyaline, scarcely branched.

2. Batarrea.

Inner peridium circumscissile, the upper part coming off like a lid; threads of the capillitium with spiral markings.

(b) Inner peridium sessile, the outer splitting into segments which become reflexed.

3. Myriostoma.

Inner peridium dehiscent above by many mouths; columella —--; threads of the capillitium simple, tapering to each extremity.

4. Geaster. Page 580.

Inner peridium dehiscent at the apex by a single mouth; columella present; threads of the capillitium simple, tapering to each extremity.