The annulus is quite characteristic, being very thick, with a short limb, and double, so that it often appears as two distinct rings on the middle or lower part of the stem as shown in Fig.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
The annulus is thick, and the under side marked by loose threads or scales.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
The veil is very handsome, and the way in which the annulus is formed from it is very interesting.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson