26 



cleft. Pedicel of the capsule exserted. Leaves usually 

 approached. 



76. Conomitrium. Peristomial teeth not united in 

 pairs, entire or cleft. Pedicel of the capsule immersed. 

 Leaves very loosely disposed. 



Fam. 20. Splachnacese. 

 I. Splachnece. Peristome present. Leaves not opake. 



A. Capsule with a (mostly thicker) swollen neck 

 or an umbraculiform appendage (apophysis) of different 

 color; pedicel flaccid; teeth not split, usually deflexed 

 and appressed when dry. Spores small. Calyptra mostly 

 conic. Leaves not recurved, often subulate-acuminate; 

 costa not excurrent. 



77. Splachnum. Peristomial teeth united below, 

 formed by 3 layers; columella exserted. Tufts loose. 

 Usually dioecious. 



78. Haplodon (new genus). Peristomial teeth di- 

 stant, formed by 2 layers; columella not exserted. Tufts 

 dense. Monoecious. 



B. Capsule with a swollen neck of same color; 

 pedicel rigid. Calyptra subcucullate. Tufts usually dense. 



a. Leaves subulate-acuminate, not recurved; costa 

 often excurrent. Capsule narrower than the neck; teeth 

 usually deflexed and appressed when dry; columella not 

 exserted. 



79. Teiraplodon. Peristomial teeth united below, 

 formed by 2 layers. Usually monoecious. Spores small. 



b. Leaves not subulate-acuminate, more or less 

 distinctly recurved below; costa rarely (in one species) 

 excurrent. Capsule thicker than the neck; teeth often 

 erect; columella often exserted. 



80. Dissodon. Capsule with a claviform neck; 

 teeth entire, erect when dry. Leaves obtusate and obtuse, 

 entire or indistinctly denticulate above. Spores large, 

 about 0,03 or 0,o4 mm. Sometimes synoecious. 



81. Tayloria. Capsule with a subcylindric neck; 



