13 
A. Leaves generally papillose or mamillose; cells 
sometimes diversiform. Capsule with indistinct or short 
neck. 
Fam. 30. Bartramiaceze. 
Calyptra cucullate, entire, not inflate. Capsule sub- 
globose or finally oblique; teeth often without longitudinal 
line; endostome sometimes with cilia. Tufts dense. Leaves 
mostly narrow. Plants perennial, growing on rocks or 
in swamps. 
B. Leaves generally smooth (in Aulacomnium and 
Timmia sometimes  papillose); cells polygonal, nearly 
uniform or gradually passing to the longer basal ones. 
Capsule often necked. 
Fam. 31. Funariacee. 
Calyptra inflate. Peristomial teeth without longitudi- 
nal line; endostome without cilia. 
Calyptra often split or lobulate at base, mitriform 
or cucullate. Leaves very thin. Plants generally annual, 
small and not tufted, growing on earth. 
Fam. 32. Bryacese. 
Calyptra not inflate. Peristomial teeth with longi- 
tudinal line; endostome often with cilia. 
Calyptra entire, cucullate. Plants generally perennial, 
mostly tufted, growing on earth and sons. sometimes in 
swamps, less often on trees. 
Section 3. Pseud-Arthrodonte. Endostomial seg- 
ments wholly confluent to a plicate membrane; teeth in- 
completely articulate or wanting. Leaves not complicate, 
sometimes very small and nearly indistinct. : 
Fam. 33. Buxbaumiaces. a 
Plants small. Stem often indistinct. 
Tribe 2. Schizocarp 
Capsule dehiseing | by. 4 den itudi 
Above. Peristome none. 
