128 CLASS XXII. ORDER 11. 



upon the root. 56. /^^-foliosum^ (bladder mouth) 

 leaves linear acuminate. 



£. Ca/isules with a lid, and furnished loith a double 

 fieristome<i the outer one consisting of S or 16 

 distinct teeth, 



1. Inner fieristome consisting of teeth or filaments 



not connected at their bases. 



Orthotrichum. Inner peristome consists of 8 

 or 16 fine hair-like filaments, vaulted inwards. 56. 

 4 — anomalum, (curve-haired moss) branched, leaves 

 lanceolate keeled obtusish, calyptre hairy toothed 

 base — striatum, leaves acute keeled spread, calyp- 

 tre entire. 



Neckera. Outer peristome consists of 16 

 teeth, the inner one of 16 filaments, erect ; pedun- 

 cles axillary. (Sarmentose.) 56. 4 — -^^mwara, (strait- 

 haired moss) decumbent branched, leaves 2-rowed| 

 capsule immersed in the sheath — macrojioda^ pe- 

 duncles long;. 



TiMMiA. Outer teeth very short ; inner ones 

 16, long and membranaceous, in distinct pairs : pe- 

 duncles terminal. 56. 4 — fiolystachoides, (many- 

 spiked moss) leaves lance-linear serrate spread, 

 lid depressed in the centre. 



Climacium. Inner peristome consists of 16 fil- 

 aments, disposed in pairs ; each pair is united at 

 top and connected below by transverse fibres : pe- 

 duncles axillary. 56. 4 — dendroides, (tree moss) a 

 projecting collar below the outer teeth. 



2. Inner fieristome consisting of teeth or filaments 



connected towards the base by a membrane. 



Meesia. Inner peristome consisting of 16 reti- 

 culate flat teeth: peduncle terminal. 56.4 — longi-^ 

 seta, (net tooth moss) having a very long awn. 



Leskea. Outer teeth long-acuminate j inner 



