IÖ8 II' Beschreibende Botanik. 



Cal}^tra mitraefonni. Campylopus^ 



Dentibus i6, ad basin usque 2-3-4 partitis 

 Calyptra mitraeformi Racomitrium. 



cuculliformi Trichostomurru 



3, Dentibus solitariislissis basimembrana 



coalitis. JDesmatodoru 



4, Dentibus soiitariis apice in funem 



contortis 

 pentibus basi subliberis membrana aut nulla, aut 

 brevissima, aut connexis Barhula 



Ijasi membrana lata tessellata conne- 

 xis Syntrichia» 

 5, Dentibus per paria approximatis 

 Pentibus i6 Cynodon. 

 » 325, Capsula exapophysat^ Didymodon. 

 apophysata Hooheria* 

 6, Dentibus geminatis subcoalitis 

 Capsula apophysata, Splachnum^ 



b, Peristomio simplici compositoque. 

 Peristomii externi dentibus per paria approximatis 



agglutinatis 

 Capsula exapophysata, Calyptra plicato - cari- 

 jjata Orthotrichum. 



laeviuscula striata IJlota* 



c, Peristomio composito. 

 I, Peristomii externi dentibus apice liberis 

 Per. ext» Dentes 1 6 extrorsum in sp^ram revoluti, 

 — int. membrana conica tandem in lacinias 



