L o c v s ; in vm b ro fis ad arborum ftipites, aggeres, nonnunquam
muros vetuftos haud infrequens.
T e m p v s : in e u n t e v e r e th e c a s m a tu r a t .
D v r a t i o : protraHa.
O b s e r v a t i o . Synonymon et figura e Vaillantii botanico parifienfi,
a Linnaeo in fpeciebus plantarum liuic fuppofita, ad Hypnum
albicms pertinet.