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fflsoTHEcii. 



*Folia complanato-disticha {Neckera, Homalia). 

 * ¥ Folia undique irabricata. 

 1. Peristomium duplex. 

 *Interius basi conspicue tubiforme (Climacium, Homalothe- 



cium, Pylaisia, Isothccium, Plerogonium). 

 **Peristomium interius ciliis sexdecim vix basi connascenti- 

 bus aut discretis constans (Cylindrothecium, Lescurea, Anti- 

 trichia, Cryphaea, Pterigynandrum). 

 % Peristomium simplex (Leacodon, Leptodon, Hnbrodon). 

 Sect. II. Peristoma dentés haud trabeculati. 

 Fabronacei. 



1. Peristomium duplex (Anaccunptodon). 



2. Peristomium simplex (Fabronia). 

 Ser. II. THUIDIACEI. 



1. Peristomium duplex. 



"Interioris segmenta ciliis intercalaribus distincta {Thuidiiim, Hetcro- 



cladium, Myurella). 

 **CiIia ad segmenta peristoma interioris nulla (Pseudoleskea, Leskea, 



Dubyella). 

 ***Segmenta peristoma interioris angusta, elongata vix basi connas- 



centia {Anomodon) . 



2. Peristomium nullum. 

 Anoectangiacei {Anoectangium). 



Cohors II. Acrocarpi. 



Ser. I. STEGOCARPI. 

 Sect. I. TAENIOCARPI. 



1. Calyptra cucullata vel latere fissa. 

 •fFolia monostromatica, vel raro ad apicem vel ad marginem bistro- 

 matica. Cellulae laminae cblorophylliferae. 

 "Capsula spheroidea. Peristomium duplex, vel in B. stricta et 

 Conostomo simplex. 

 Bartramucei (Philonotis, Breutelia,Bartramia, Conostomum). 

 V¥ CapsuIa oblongata, vel pyriformis, aut obovata, vel ovata aut 

 cyathoidea. 



AcLACOMNIACEI. 



a. Peristomium duplex, Zygod. Cesaliicxcepto(Aular,omnium f 

 Zygodon). 



