LICHENS. 275 
Thelotrema glaucescens Nyl. 
On barks. Conecuh County (Beaumont). 
Louisianian area. Louisiana to Florida, South Carolina. Cuba. 
Thelotrema ravenelii (Tuck.) Nyl. 
On trunks. Tennessee Valley. Lawrence County, Moulton (Peters), Conecuh 
County ( beaumont). 
Louisianian area. South Carolina. 
GYALECTA Ach. 
Gyalecta lutea (Dicks.) Tuck. 
On bark. Mobile County. Conecuh County (Beaumont). 
Louisianian to Aleghenian area. Florida. New Jersey to New England, Ontario 
west to illinois and Minnesota, Europe. 
Gyalecta cupularis (Hedw.) Tuck. 
On limestone rocks. Lawrence County (Peters). 
Carolinian and Alleghenian areas. Pennsylvania, New York, Vermont. Europe. 
PERTUSARIA DC. 
Pertusaria velata (Turn.) Nyl. 
Throughout the State, on trunks. 
Louisianian to Alleghenian area. North to Canada. 
Pertusaria multipuncta (Ach.) Th. Fries. 
On bark, Mobile County, common, 
Lonisianian to Alleghenian area. ‘Texas to Florida and throughout to Canada; 
California, Oregon. 
Pertusaria communis DC. 
On bark and trunks, over the State. 
Louisianian to Alleghenian area. Texas to Florida and north to Canada. Europe. 
Pertusaria leioplaca (Ach.) Schaer, 
On trees over the State. 
Louisianian to Alleghenian area, Texas to Florida, north to Canada. Europe. 
Pertusaria pustulata (Ach.) Nyl. 
On barks. Mobile County. Lee County, Auburn (Baker §° Earle). 
Louisianian to Alleghenian area. ‘Texas to Florida, north to New Kngland. 
South America, Europe. 
Pertusaria wulfenii DC. 
On trees. Mobile County. 
Louisianian to Alleghenian area, Florida to New Jersey, New England. Europe. 
Pertusaria globularis Ach. 
Mossy rocks. Lawrence County (leters). 
Carolinian and Alleghenian areas. Pennsylvania, Arkansas. 
RINODINA Ach. 
Rinodina flavonigella Tuck. 
Rotten wood. Mobile County. 
Louisianian area, Georgia, Florida, 
Rinodina thomae Tuck. 
Mountain region, on rocks. Lee County, Auburn (Baker § Harle). Winston 
County ( Peters), on saidstone. 
Rinodina constans (Nyl.) Tuck. 
On trees and dead wood. Lawrence County (Peters). 
Carolinian and Alleghenian areas, South Carolina to New Jersey, New England, 
Canada, 
