10 AT^ALYSIS OF GENERA. 



124. Honialothecium. Teeth closely articulate, hyaline-bordered; 

 segments iiee, short, linear-lanceolate, or longer and adhering to 

 the teeth. Calyptra hairy. Capsule slightly cernuous or erect. 



127. Orthothecium. Capsule erect or subinclined. Teeth hyaline 



on tlie margin; segments linear, as long as the teeth; cilia short 

 or none. Leaves not costate. 



= = Inner peristome divided nearly to the middle into 16 segments; 



cilia 2 or 3. 



128. Hypnum. Capsule cernuous, arcuate or horizontal, rarely erect. 



Peristome perfect; cilia articulate or appendiculate. 



« » Calyptra mitriform. Capsule exserted, horizontally inclined. 



112. Hookeria. Teeth lanceolate; segments linear-lanceolate; cilia 



none. Leaves bicostate. Plants small. 



113. Pterigophyllum. Peristome as in the last. Plants large. 



Leaves large, entire, ecostate; areolation very loose. 



y 



