The margin is thin and marked by deep furrows and ridges, so that it is deeply striate, or the terms sulcate or pectinate sulcate are used to express the character of the margin.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson
pectinate, like the teeth of a comb.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson