306 



Mycologia 



Psora globifera (Ach.). 



Isle Royale, Michigan, 1902, and near Glacier, British Columbia, 1906, 

 rocks. 



Psora icterica (Mont.) Fink. 



Lincoln County, New Mexico, Comm. W. R. Maxon, 1902, and Gillispie 

 County, Texas, Coll. G. Jermy, without date, soil. 

 Psora liirida (Sw.) Koerb. 



Isle Royale, Michigan, Coll. E. T. Harper, 1904, soil. 

 Pyremila cerasi (Schrad.) Hepp. 



Plummers Island, Maryland, 1907, bark. 

 Rhizocarpon alhoatrum (Hoffm.) Th. Fr. 



Waldron Island in Puget Sound, 1906, bark. 

 Rhizocarpon alpicoliim (Wahl.). 



St. Paul's Island, Alaska, Coll. Trevor Kincaid, 1897, and near Laggan, 

 Alberta, 1906, rocks. 

 Rhizocarpon badioatrum (Floerke) Th. Fr. 



Near Glacier, British Columbia, 1906, rocks. 

 Rhizocarpon geographicum (L.) Lam. & DC. 



Islands of Puget Sound, near Glacier, British Columbia, and near Laggan, 

 Alberta, 1906, rocks. 

 Rhizocarpon oidaleum (Tuck.). 



Islands of Puget Sound, 1906, and National Park, Montana, Coll. M. E. 

 Jones, 1910, bark, wood, and rocks. 

 Rhizocarpon petraeiim (Wulf.) Koerb. 



Islands of Puget Sound, and near Glacier, British Columbia, 1906, rocks. 

 Rinodina aterrima (Krempelh.) Anzi. 



Near Laggan, Alberta, at 9,000 feet, 1906, rocks. A little-known plant. 

 Rinodina biatorina Koerb. 



Plummers Island, Maryland, Coll. W. R. Maxon, 1902, and Bruce Fink, 

 1907, rocks. 

 Rinodina constans (Nyl.) Tuck. 



Near Shushan, New York, Coll. Frank Dobbin, 1907, trees. 

 Rinodina hallii Tuck. 



Islands of Puget Sound, 1906, bark. 

 Solorina crocea (L.) Ach. 



Montana, Coll. M. E. Jones, 1902, and near Glacier, British Columbia, 

 1906, soil. 



Speerschneidera eiiplaca (Tuck.) Trev. 



Missouri, Coll. Colton Russell, 1900, rocks. 

 Sphaerophorns globiferus (L.) DC. 



Islands of Puget Sound, 1906, bark. 

 Staurothele diffractella (Nyl.) Tuck. 



Washington County, Missouri, Coll. Colton Russell, 1900, limestone. 

 Stereocaiilon alpimim Laur. 



Islands of Puget Sound, 1906, rocks. 

 Stereocaiilon tomentosuni Fr. 



Islands of Puget Sound, 1906, rocks. 



