50 HANDBOOK OF BRITISH MOSSES. 



Obdeb VII. ANCECTANGIE1. 

 Cladocarpous. Sporangium ovate or spherical; peristome 

 none ; veil cucullate. 



Genus 31. Anmctangium. 



Obdeb VIII. DREPANOPHYLLEI. 



Mostly cladocarpous. Stems flat; leaves equitant; peri- 

 stome single, teeth bifid ; veil cucullate or conical. 



Genus 32. Fissidens. — Sporangium often cernuous ; fruit- 

 stalk elbngated ; veil cucullate or conical ; teeth sixteen, bifid ; 

 divisions slender, elongated ; vaginula distinct. 



Obdeb IX. MIELIOHOFEEIEI. 



Cladocarpous. Sporangium straight, with or without an 

 apophysis ; peristome single or double ; vaginula distinct. 



Genus 33. Mielichoferia. — Sporangium pyriform or clavate ; 

 annulus large; peristome single, of sixteen teeth which are 

 confluent below. 



Section II.— ACROCAKPI. 



Obdeb X. SOSISTOSTEOEI. 



Sporangium subglobose; spore-sac adnate with the walls; 

 peristome none ; leaves distichous. 

 Genus 34. Schistostega. 



Obdeb XI. SPLACHNEI. 



Sporangium apophysate ; spores radiating ; leaves diapha- 

 nous, large-celled. 



Genus 35. (Edipodium. — Sporangium clavate, confluent 

 with the apophysis and fruitstalk ; peristome hone. 



