Fam. 13. Hypnaceee. 

 Capsule sometimes symmetric, more often asymme- 

 tric or curved ; pedicel often rough. Stem mostly without 

 paraphyllia. Leaves not papillose, sometimes distichous, 

 often falcate; cells mostly narrow. 



Tribe 3. Symphyolepidese. 



Endostome cancellate by in upper part united seg- 

 ments. 



Fam. 14. Fontinalaceae. 



Capsule symmetric, often immersed. Calyptra conic 

 or cucullate. Leaves smooth, often tristichous, sometimes 

 falcate; cells narrow. Plants growing in water. 



Ser. 2. Acrocarpous. 



Capsule (generally) terminal upon the stem or the 

 branches. Stem usually straight and erect, mostly simple 

 or sparingly branching. 



The capsule is lateral in Anoectangium, Mielich- 

 hqferia, Schlotkeimia, Macromitrium, Rhizogonium and 

 Barbula squarrosa. The stem is decumbent and much 

 ramose (as in the pleurocarpous) in several Grimmiacece, 

 Orihotrichacece and Fissidentacece, also in Cinclidotus ; 

 in Leucolepis tree-like. 



Tribe 1. Stegocarpous. 



Capsule with a distinct, generally deciduous lid. 



Subtribe 1. Filicoideae astomse. 



Stem frondiform, more or less divided in nerveless 

 lobes. Peristome none. 



