I'SC) IM-ANT \A\'\: <»F A 1, AHA MA. 



Subkingdom BRYOPHYTA. 



Class HEPATICAE. Liverworts. 

 Family RICCIACEAE. 



RICCIA 1-. 



Riccia lutesceiis Schw. 



MikMv liaiiUs, lower Alalt.iinn. .Mmiior ( 'oiiiiiy. 



l.oiiiBianian to Alle^lioniaii aii-a. Louisiana, Illiiiois, Poiiiisvlvaiiia, .MimicHota, 

 t )iitario. 



Riccia lamellosa Ivaddi. 



< Ml <lainp r\])os((l banks. Mohihi Coimty, lido Austin. 



hoiiisianian to AlU-glieniaii ana. New .Jersey, Canatla, ("aliloinia. Southern 

 Europe (Italy). 



RICCIELLA IMsch. 



Ricciella fluitans (L.) Hiscli. 



Floatinfj in sta^inant i>ools and shaded ditches. Mobile County; March. 

 Louisianiau to Alleghenian area. East United States to Ontario. JOurope. 



Family MARCHANTIACEAE. 



REBOULIA Jiaddi. 



Reboulia hemispherica (L.) Raddi. 



Shady banks of streams. Lee County, Auburn (Ikiker 0' Earlc). 

 Carolinian area. Illinois, Ohio, Pennsylvania. Central Europe. 



ASTERELLA Beauv. 



Asterella tenella Nees. 



Damp borders of fields, copses. Mobile County. Lee County, Aul)nrn (Baker <f- 

 Earle). 



Louisianiau to Alleghenian area. Maryland, <cntral New York, Nebraska, J5riiish 

 Columbia (Vancouver Island). 



CONOCEPHALUM Wiggers. 



Couocephalum coiiicuni (L.) Dumort. Fit/atella conica Corda. 



Sliadeil damp banks. March. A]tril. 



Louisianiau to Alleghenian area. Louisiana to Nebraska, British Columbia, and 

 Alaska, i^urope. 



DUMORTIERA Nees. 



Duniortiera hirsuta Noes. 



Shady damp rocky walls. Winston County. Not infrecjuent in theso-called rock 

 houses oftlie Mountain region. 



Carolinian area. North to Tennsylvauia. 



MARCHANTIA L. 



Marchantia polymorpha L. 



On dam]) ground over the State. Throughout the continent to Alaska. Enro]»e. 

 Cosnu)p()litan from warmer to frigid zones. 



Marchantia disjuncta Sulliv. 



Springy places. Monroe County. Claiborne, County, blutf of Alabama River 

 {SiiUiraitt, JS.'>-'?). Lee County, Auburn {Under wood). Mexico, Huatusco, 5,000 feet 

 altitude (Mohr). 



