268 PLANT LIFE OF ALABAMA. 



Pyreiiula nitida nitidella Floerk. 



On bark. Conecuh County, Brooklyn (Beaumont). 

 Louisianian area. Texas to South Carolina. West Europe. 



Pyrenula pachycheila Tuck. 



On bark. South Alabama (Beaumont). 

 Louisiana area. Texas to South Carolina. 



VERRUCARIA Pers. 



Verrucaria fuscella (Turn.) Ach. 



Cherty rocks. Lawrence County, Monlton (Peters). 

 Carolinian and Alleghenian areas. New England. Europe. 



Verrucaria rupestris purpurascens Schaer. 

 Mountain region on limestone rock (Peters). 

 Carolinian area. 



PYRENASTRUM Eschw. 



Pyrenastrum astroideum (Fe"e.) Eschw. 

 Barks. South Alabama (Beaumont). 

 Louisianiau area. Texas to South Carolina. 



SAGEDIA Fr. 



Sageclia cestreiisis Tuck. 



On cherty rocks. Lawrence County (Peters). 



Louisianiau to Alleghenian area. Louisiana, South Carolina, and North Carolina, 

 to Pennsylvania and New England. 



TRYPETHELIUM Spreng. 



Trypethelium cruentum Mont. 



On bark of magnolias, live oak, etc., in low, damp woods. Mobile County, com- 

 mon. Tennessee Valley (Peters). 



Louisianiau and Carolinian areas. Mississippi to North Carolina and New Jersey. 

 Tropical America. 



Trypethelium scoria Fe'e. 



On barks. Mobile County. Conecuh County (Beaumont). In damp woods. 

 Louisiauian area. Mississippi to North Carolina. 



Trypethelium catervarium (Fee.) Tuck. 



Barks. Conecuh County (Beaumont). 

 Trypethelium scorites (Tuck.) Nyl. 



On bornbeam and Ilex. Mobile County. Conecuh County (Beaumont). Lee 

 County, Auburn (Baker <f- Earle). Endemic. 



Louisiauiau and Carolinian areas. To Noith Carolina. 



Trypethelium exocanthum Tuck. 



On barks. Conecuh County (Beaumont). 

 Louisianian area. Louisiana to western Florida. 



Trypethelium virens Tuck. 



Conecuh County (Beaumont). 



Louisianian to Alleghenian area. To South Carolina, Virginia, Ohio, and New 

 England. 



Ti yphthelium mastoideum Ach. 



On bark. Mobile County, Citronelle (Baker). 

 Louisianian area. 



STAUROTHELE Norm. 



Staurothele petersii Tuck. 

 Peters coll. No. 1. 

 On rocks. Lawrence County, Campbell's Gap (Peters). Endemic. 



Staurothele diffractella (Nyl.) Tuck. 



Mountain region. On limestone rocks. Lawrence County (Peters). 

 Carolinian and Allegheuian areas. North to New Jersey tmd New England. 



