52 HANDBOOK OF BRITISH MOSSES. 



ORDER XV. FUNAEIEL 



Sporangium pyriform ; veil inflated below, subulate above ; 

 leaf-cells large. 



Genus 45. Physcomitrium. Veil 5-6-lobed, with a long, 

 straight beak ; peristome none. 



Genus 46. Entosthodon. Veil eucullate ; peristome rudi- 

 mentary, or of sixteen teeth. 



Genus 47. Funaria. Sporangium oblique ; apophysis taper- 

 ing ; ring very large ; peristome double ; teeth of outer row 

 joined at the tips and forming a cribrose disk. 



ORDER XVI. MEESIEL 



Sporangium tapering below, gibbous behind ; fruitstalk 

 very long; peristome double, not hygroscopic. 



Genus 48. Amblyodon. Mouth of sporangium small, ob- 

 lique; peristome double, outer of sixteen short teeth, inner 

 longer, deeply divided; leaves loosely reticulated. 



Genus 49. Meesia. Mouth oblique ; peristome double, 

 outer of sixteen short teeth, inner longer, deeply divided; 

 leaf-cells small, crowded. 



Genus 50. Paludella. Sporangium cernuous or suberect ; 

 ring large; peristome double, outer of sixteen lanceolate 

 teeth, inner a membrane divided halfway down into sixteen 

 processes, without intermediate cilia. 



ORDER XVIL BETEL 



Sporangium symmetrical, erect, or cernuous ; peristome 

 double ; veil eucullate ; leaves mostly marginate. 



Genus 51. Cinclidium. Inner peristome dome-shaped, 

 with sixteen perforations opposite to the outer teeth. 



Genus 52, Mnium. Sporangium ovate or oblong; peristome 



