LIVERWORTS. 287 



Family METZGERIACEAE. 



SPHAEROCARPUS Michx. 



Sphaerocarpus terrestris Smith. ,S. micheli Bellardi. 



Damp low fields. Coast retrion. Mobile, in garden, almndant. 



Lonisiauiau and ( 'aroliniau areas. Along- the coast to North Carolina and southern 

 Virginia. Southern Europe. 



METZGERIA Raddi. 



Metzgeria conjugata Lindh. 



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



Louisianiau to AUegheniau 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 {liaker .j- Earle). Not 

 frequent. 



Louisianiau to Alleghenian area. North to Canada and Vancouver Icland. Europe. 



PALLAVICINIA S. F. Gray. 



Pallavicinia lyellii S. F. Gray. 



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

 November to March. 



FOSSOMBRONIA Dumort. 



Fossombronia angulosa Raddi. 



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

 March. 



Louisianiau and Alleghenian areas. South Carolina. Europe. 



Fossombronia faveolata Lindb. 

 Mobile County, with the last. 

 Louisianiau area. 



Family JUNGERMANNIACEAE. 



PLAGIOCHILA Dumort. 



Plagiochila asplenoides (L.) Dumort, 

 Mossy trunks in swamps. Mobile County. 

 Louisianiau to Alleghenian area. North to Canada; British Columljia. 



Plagiochila ludoviciana Sulliv. 



On trees. In swampy hammocks, infrequent {Sullivant, Alohr). 

 Louisianiau area. Louisiana. 



Plagiochila undata Sulliv. 



Wet rocks. Etowah County, lUack Creek Falls near CJadsdeu, July, 1880. 

 Carolinian area. Georgia. 



CEPHALOZIA Dumort 



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



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

 Aubiiru {liaker <)■ Earle). 



Louisianiau and Alleghenian areas. Louisiana and Florida to Virginia. 



Cephalozia media Lindb. 

 Mobile County with the last, lide Austin, 1876, 



