Image from the Biodiversity Heritage Library.
Contributed by Harvard University Botany Libraries.
| www.biodiversitylibrary.org
Transcription
9
arolate, white. Apothecia in prominent clusters
wants, the disk at length open, black, membranous -
100-115.
neirs, Spores 2: about 70-60 um. commonly there
of P. praetexta. On slate, whitish
A rock plant from Shale Bay, somewhat similar
to the preceding, is labelled "Pertusaria f. varicolor"
The spores are transformed into soredia,
24. Thelocarpa .
1. T. lepasternia Ach. Chile