LIST OF PLATES. 



Fig. 5. Cluster of pistillidia, mixed witli filaments, magnified. 



Fig. 6. The same, more magnified. 



Fig. 7. ApisUlliclium, advancing to tlie perfect fruit, having the 



seta and calyptra developed and separated. 

 Fig. 8. Single peristome of Grimmia {Schistidium) . 

 Fig. 9. Double peristome of Bryum. 

 Fig. 10. Spores. 



Plate III. 



AndrecBa 7'upestris. — Fig. 1, portion of plant, nat. size ; 2, leaf 

 from upper portion of stem, magnified ; 3, leaf from lower 

 portion of stem ; 4, capsule, mature ; 5, ditto, opening into 

 four valves. . 



Anomodon ciirtipendulum. — Fig. 1, portion of plant, nat. size; 

 2, leaf, magnified ; 3, capsule, seta, and perichsetial leaves, 

 magnified ; 4, calyptra ; 5, portion of peristome, with inter- 

 mediate ciliary processes, much magnified. 



Aiiictatigium ciliatum. — Fig. 1, portion of plant, nat. size ; 2, 

 leaf of stem, magnified ; 3, ditto of perichEetiimi, magnified ; 

 4, calyptra; 5, capsule. 



Plate TV. 



Bartramia fontana. — Fig. 1, portion of plant, nat. size ; 2, leaf, 



magnified ; 3, capsule, magnified. 

 Conostomum horeale. — Fig. 1, portion of plant, nat. size ; 2, leaf, 



magnified ; 3, mature capsule and seta, magnified. 

 Bartramia arcuata. — Fig. 1, portion of plant, nat. size ; 2, leaf, 



magnified; 3, mature capsule, magnified. 



