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

None tested.

IX.—Insiti´tiæ. Stem inserted.

None tested.

HIA´TULA Fr.

(Plate XXXIII.)

Hiatula Wynniæ.

Hio, to gape.

Pileus symmetrical, very thin, without a distinct pellicle, formed by the union of the backs of the gills, splitting when expanded. Gills almost or quite free, white. Stem central. Spores white.