lili
sessile, or somewhat immersed, and frequently seated on a pale
crust-like spot. F r ie s very correctly remarks, that they have
the habit of minute Lecidece, destitute of a border.
Agyrium rufum is not only new to Great Britain, but the
first of the genus published in this country.
’.'S. i; ^
, l.'U
J *
Fig. 1. A. rufum, natural size. Fig. 2. Plants. Fig. 3. A plant divided.
Fig. 4. The surface dissolving into sporidia /—magnified.
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