R A C O M I Ï R I UM .
RaCOMITRIUM e t DRYPTODON (ex parte) B k i d e l Bryol. universu. B r u c h et
S c u iM P E R Bryologia europaea. Faso. XXV—XXVIII.
TRICllOSTOMUM H e d w i g . — S c h w a e g r . — W e b e r et M o h r .
BRYUM B illen. L inn.
Musei speciosi, acrocarpi, caespitantes, perennes. Habitus a grimmioideo
ad Iiypnoideum transitionem meiitiens, in plorisque elatus, ramificatione plus minusve
regulari, simplici vel ramulosa. Capsula in pedicello stricto exserta, elli-
ptioa, subojiiiidrica et ovilbrmis, calyptra mitraeformi, lacera, operculo recto,
subulato instructa. Folia patentia, lanceolata, raro oblonga, in pilum desinentia
vel mutica.
Plantae dichotome vel irregulariter ramosae atque ramulosae, sub apice
fertili et c basi innovantes. Folia octosticba, lanceolata, late et oblongo-Ian-
ccolata, pilifera vel obtusa, apice diaphaiio denticulata, caeterum integra, car
inata; costa extiis convexa, intus canaliculata, sub apice evanida; reticulatio
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