Ser. 1. Pleurocarpous. 



Capsule lateral upon the stem or the branches, re- 

 gularly dehiscing by a deciduous hd. 



Stem usually very much ramose and depressed to 

 the substrate, sometimes ascending^ less often erect, rarely 

 quite straight. 



In Hedtoigia the capsule is generally terminal. 



Tribe 1. Tricholepidese. 



Segments of the endostome (inner peristome) cilii- 

 form without keel or longitudinal line, free (neither connate 

 nor united). 



Capsule symmetric and erect; pedicel smooth. Leaves 

 not distichous Stem (except Lindbergia) without para- 

 phyllia. 



Sometimes the endostome or the whole peristome 

 is wanting. 



A. Leaves limbate by short cells ; special alar cells 

 generally not defined ; inner cells seriate. Capsule often 

 immersed. 



Fam. 1. Oryphseaoese. 

 Leaves smooth or papillose; borders recurved. Peri- 

 stome sometimes simple or wanting. Calyptra .cucullate 

 or mitriform. Branches julaceous or subjulaceous. 



B. Leaves not limbate; alar cells subquadrate; inner 

 cells not seriate. Capsule not immersed. 



