scarcely attaining the size of poppy-seed, scattered, rarely
crowded or confluent, and, except in those instances, regularly
orbicular : their margin entire, black, generally
shining, inconspicuous when wet, from the swelling of the
disk; when dry, thickish and considerably elevated in
young patellulæ, in the older, thinner, and about level
with the disk, which is black, mostly opake, flat, or, when
old, rather convex, its internal substance likewise, as far as
we can discover, is black.—W . B.
