LIVERWORTS. 287 



Family METZGERIACEAE. 



SPHAEROCARPUS Michx. 



Sphaerocarpus terrestris Smith. S. micheli Bellardi. 



Damp low fields. Coast region.. Mobile, in garden, abundant. 



Louisiauian and Carolinian areas. Along the coast to North Carolina and southern 

 Virginia. Southern Europe. 



METZGERIA Raddi. 



Metzgeria conjugata Lindb. 



On mossy trunks and logs in damp shady woods. Mobile and Winston counties. 



Louisianiaii to Allegheniau area. Louisiana to Florida, north to Ontario. Van- 

 couver Island. 



PELLIA Raddi. 

 Pellia epiphylla (L.) Nees. 



Damp banks. Lee County, Auburn (Baker $ Earle). 



Carolinian and Alleghenian areas. Throughout the Eastern United States ; Canada. 

 Europe. 



RICCARDIA S. F. Gray. 



Riccardia latifrons Lindb. 



Decaying logs. Mobile County. Lee County, Auburn (Baker # Earle}. Not 

 frequent. 



Louisianian to Alleghenian area. North to Canada and Vancouver Island. Europe. 



PALLAVICINIA S. F. Gray. 



Pallavicinia lyellii S. F. Gray. 



Shaded wet places among mosses. Mobile County, frequent. Montgomery County, 

 November to March. 



FOSSOMBRONIA Dumort. 



Fossombronia angulosa Raddi. 



Low sandy exposed places. Mobile County. Flat open pine barrens, frequent; 

 March. 



Louisiauian and Alleghenian areas. South Carolina. Europe. 



Fossombronia faveolata Lindb. 

 Mobile County, with the last. 

 Louisianian area. 



Family JUNGERMANNIACEAE. 

 PLAGIOCHILA Dumort. 



Plagiochila asplenoides (L.) Dumort. 

 Mossy trunks in swamps. Mobile County. 

 Louisianian to Alleghenian area. North to Canada; British Columbia. 



Plagiochila ludoviciana Sulliv. 



On trees. In swampy hammocks, infrequent (Sullivant, Mohr). 

 Louisianian area. Louisiana. 



Plagiochila undata Sulliv. 



Wet rocks. Etowah County, Black Creek Falls near Gadsden, July, 1880. 

 Carolinian area. Georgia. 



CEPHALOZIA Dumort. 



Cephalozia virginiana Spruce. C. catenulata auct. Not Huebner. 



Mossy trunks, decayed logs. Mobile County, swampy hammocks. Lee County, 

 Auburn (Baker <f Earle). 



Louisianian and Alleghenian areas. Louisiana and Florida to Virginia. 



Cephalozia media Lindb. 

 Mobile County with the last, tide Austin, 1876, 



