ài i
terizes the plant as “ rarissime,” and probably justly : I have
never seen more than a solitary specimen, and few authors notice
it.
The genus Trichia is most nearly allied to Arscyria,
which we have illustrated at Plate 130. ; hut in the latter, the
peridium is horizontally divided, and the upper portion is deciduous.
Fig. 1. r . refe'cwtoa, natural size. Pig. 2. Plants o f different fo rm . Fig. 3-
Sporidia and f laments ; magnified.
