55. Cephalozia Macouni, Aust.

Caule tenui late cæspitoso intricato-ramuloso, ramulo fruct-
ifero brevissimo ventrali; foliis caule parum latioribus
subimbricatis erecto-subverticalibus subcomplicato-con-
cavis e basi angustata subcuneato-quadratis infra medium
bifidis, sinu plerumque lato obtuso, laciniis ovato- vel
triangulari-lanceolatis acutis rectiusculis sub pressura
divaricatis, areolis parvicusculis angularibus; perianthio
minuto albido subtrigono ovali-obovato gibbositate subin-
fiato, apice contracto subplicato, ore denticulato ciliatove;
involucri foliis subovatis subinæqualiter bi — trifidis ser-
ratis sæpe longe ciliatisve; capsula ovali; amphigastriis
nullis. — Jungermania Macouni, *Aust. in Proc. Acad. Nat.
Sci. Phila. Dec. 1869, p. 222.*

HAB. On rotten logs, Canada, *John Macoun*; also in the
mountains of New England, *Austin*.

Yale University Herbarium

YU. 202832