Collar Mosses 



The name is the Greek <nr\dyxvov, used by Dioscorides for 

 some lichen or non-flowering plant. 



The spore-cases are small, oval or short-cylindrical with con- 

 vex mammillate lids, and a central column (columella) capped 

 and generally exserted after the falling of the lid. 



P'edUcl. 



5. lutewm. 



S. rubrutn. Sporophyte with spore- 

 case open showing the exserted colu- 

 mella and bell-shaped apophysis. 



rubrutn. Fertile plant, all but the 

 lower part of the pedicel removed. 



S. rubrum. 



The pedicels are long and 

 very much enlarged under the 

 spore-case, the enlarged portion (apophysis) increasing after 

 maturity and becoming pear-shaped, round or umbrella-like and 

 diversely coloured. There are sixteen linear teeth in pairs 



205 



