LICHENS. 281 



Sticta quercizans (Michx.) Ach. 



On trunks. Over the State. 



Louisianian to Alleghenian area. Texas to Florida, north to New Jersey and 

 Ohio; Oregon. Mexico. 



Sticta sylvatica (L.) Ach. 



On mossy ground. Lee County, Auburn (Baker <f- Earle). 



Carolinian and Alleghenian areas. Along the mountains to North Carolina; New 

 Jersey, New England (Mount Desert), Canada. Europe. 



Sticta crocata (L.) Ach. 



Among mosses. Lee County, Auburn (Baker fy Earle). 

 Carolinian and Alleghenian areas. Mountains of North Carolina to New England. 



Tribe UMBILICARIEAE. 



UMBILICARIA Hoffm. 



Umbilicaria pustulata papulosa Tuck. 



On bare sandstone cliffs. Highest ranges. Dekalb County, Lookout Mountain, 

 near Mentone, 1,800 to 2,000 feet. Talladega County, summit of Chehawhaw 

 Mountain, 2,200 feet. 



Carolinian and Allegheniau areas. Mountains of North Carolina. 



Tribe PAEMELIEAE. 



PYXINE FT. 

 Pyxine picta (Sw.) Tuck. 



On trunks in the open. Mobile County, frequent; Citronelle (Baker if Earle). 

 Louisianian area. Texas to Georgia, South Carolina. Cuba. 



Pyxine sorediata Fr. 



On trees. Mobile County. Lawrence County, on rocks ( Peters}. 



Louisianian to Alleghenian area. Texas to Florida, north to Pennsylvania; New 

 England, west to the Rocky Mountains. Eastern Asia,'Himalayas, East Indies. 



PHYSCIA Schreb. 

 Physcia speciosa Fr. 



On trunks. Mobile County. Conecuh County (Beaumont). 



Louisianian to Allegheuiau area. New England west to Wisconsin. Europe. 



Physcia hypoleuca (Mnhl.) Tuck. 



On trunks. Mobile County. 



Louisianian to Alleghenian area. New Mexico and Texas, throughout the Gulf 

 and Atlantic States. 



Physcia comosa (Eschw.) Nyl. P. speciosa galactophylla ( Willd.) Tuck. 



On branches of shrubs and trees. Mobile County, rare. 



Louisianiau and Carolinian areas. Gulf and lower Atlantic States, Pennsylvania, 

 Illinois, Mexico. 



Physcia crispa (Pers.) Nyl. Parmelia domingensis Mont. 

 On trees. Mobile County. 

 Louisianian area. Texas to South Carolina. West Indies, Mexico. 



Physcia asteroidea (Fr.) Nyl. 



On trees. Lawrence County, Moulton (Peters). 



Louisianian and Carolinian areas. Texas to South Carolina, north to New England. 

 Europe. 



Physcia stellaris (L.) Tuck. 



On trees, rocks, and dead wood. Mobile County. Lawrence County (Peters}. 



Louisianian to Alleghenian area and Boreal region. Throughout the Atlantic 

 States to New England, Canada, and Arctic America. Europe. 



Physcia obscura endochrysea Nyl. 

 On rocks. Lawrence County (Peters). 

 Louisianiaii to Carolinian area. Texas to Georgia. 



