274 PLANT LIFE OF ALABAMA. 
Cladonia rangiferina (L.) Hofim. 
Lawrence County (Peters). : 
Louisianian area to Arctic zone. Cosmopolitan. 
Cladonia rangiferina sylvatica L. 
Sterile earth. Etowah County, Gadsden. 
Louisianian area to Arctic zone. Florida to Canada. Europe. 
Cladonia rangiferina alpestris (L.) Fr. C. rangiferina minor Michx. ? 
Sterile pine-barren ridges. Mobile. . 
Louisianian to Aleghenianarea. Florida to New Jersey, New England, Minnesota, 
Canada. Europe. 
Cladonia uncialis (L.) Fr. 
Mountain region. On rotten stumps and on the earth. Winston County (Peters). 
Carolinian area to Arctic zone. South Carolina to New England; Canada. Europe. 
Cladonia uncialis caroliniana Tuck. 
Mountainous woods. Lawrence County (Peters). 
Carolinian area. Georgia, Tennessee. 
Cladonia cornucopioides (L.) Fr. 
On sterile soil. Cullman County. : 
Carolinian area to Arctic zone. Georgia and North Carolina, through the Middle 
and Northern States to Canada, British Columbia, and Oregon. 
Cladonia pulchella Schw. 
Swamps, on decayed wood and trunks. Mobile County, frequent. 
Louisianian to Alleghenian area. Texas to Florida; Georgia and South Carolina 
to New England (Mount Desert, Maine). , 
Cladonia cristatella Tuck. 
Damp woods, rotten logs. Henry County, Abbeville (Baker §- Zarle). Lawrence 
County (Peters). 
Louisianian to Alleghenian area. Texas, Georgia, South Carolina, North Carolina 
to Pennsylvania, New Jersey, New England (Mount Desert), Ohio to Minnesota. 
Cladonia leporina Fr. 
Arid sterile soil. Mobile County, lower pine barrens. 
F Louisianian and Carolinian areas. Texas to Florida, along the coast to New 
ersey. 
Family PARMELIACEAE. 
Tribe LECANOREARE, 
GYROSTOMUM Fr. 
Gyrostomum scyphuliferum (Ach.) Fr. 
On barks of various trees in pine-barren swamps. Mobile County, not rare. 
Louisianian area. Texas to Florida. 
THELOTREMA Ach. 
Thelotrema subtile Tuck. 
On barks. Mobile County. Conecuh County (Beaumont). 
Louisianian to Alleghenian area, Texas to Georgia, north to New Jersey and 
New England. 
Thelotrema domingense (I'ée) Tuck. 
Louisianian area, Louisiana to Georgia, 
Thelotrema interpositum (Nyl.) Tuck. 
On bark of Magnolia virginiana. Mobile County. 
Louisianian area. West to Texas. 
Thelotrema santense Tuck. 
On bark. Conecuh County (Beaumont). 
Louisianian area. Louisiana to South Carolina. 
