r f - i í ’îda ¡ íií'
í - i
\ í ni
i A‘ '' ii=
i - ' à
which, judging from P e r s o o n ’s brief description, I suspect to
be nothing more than a variety, or perhaps a young state of
T. Padi. P e r s o o n has introduced into his specific character
of our plant certain longitudinal plicoe, or folds which frequently
occur ; but he questions whether they be constant. They
appear to me to be often occasioned hy the epidermis of the
bark, which in several trees, as oak, hazel, birch, &c. separates,
and becomes revolute, being incrusted continuously hy the fungus.
Fig. 1. Th. Padi, natural size. Fig. 2. A portion renrnveff Fig. 3. A smaller
Fig. 4. The bristles remmed. Fig. 5. Sporidia; magnified.
