Fink: Lichen Distribution in North America 301 



Gyrophora angulata (Tuck.) Herre. 



Grand Marais, Minnesota, 1901, Islands of Puget Sound, and near Glacier, 

 British Columbia, 1906, and Olympic Mountains, Washington, Coll. T. 

 C. Frye, 1907, rocks. 

 Gyrophora cylindrica (L.) Ach. 



Near Glacier, Brit'sh Columbia, at 9,500 feet, and Laggan, Alberta, at 

 5,400 feet, 1906, rocks. 

 Gyrophora deusta (L.) Borr. & Turn. 



In several localities on islands in The Lake of the Woods and along the 

 northern boundary of Minnesota, 1899 to 1902, rocks. The plants are 

 sterile and were not determined until recently. Tuckerman included 

 this species with Gyrophora prohoscidea (L.) Ach. 

 Gyrophora hyperborea Ach. 



Top of Mt. Constitution in Puget Sound, near Glacier, British Columbia, 

 and near Laggan, Alberta, 1906, rocks at 2,000 to 8,500 feet. 

 Gyrophora phaea (Tuck.) Herre. 



Stewart Island in Puget Sound, 1906, rocks. 

 Gyrophora polyphylla (L.) Fr. 



Islands of Puget Sound, 1906, rocks. 

 Gyrophora rugifera (Nyl.) Th. Fr. 



Beaver Creek, Colorado, 11,900 feet, Coll. L. H. Pammel, 1895, Olympic 

 Mountains, Washington, 8,500 feet. Coll. T. C. Frye, 1907, and San 

 Francisco Peaks, Arizona, Coll. H. C. Cowles, rocks. 

 Gyrophora vellea (L.) Ach, 



Golden Colorado, Coll. L. H. Pammel, 1895, Lo Lo Hot Springs, Montana, 

 Coll. M. J. Elrod, 1897, and Clear Water, Idaho, Coll. L. H. Pammel, 

 190, rocks. 

 Heppia despreauxii (Mont.) Tuck. 



Jefferson County, Missouri, Coll. Colton Russell, 1898, and Colorado City, 

 Colorado, Coll. H. L. Shantz, 1904, soil. 

 Icmadophila aeruginosa (Scop.) Mass. 



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

 Alberta, 1906, old logs and stumps. 

 Lecanora albescens (Hoffm.) Th. Fr. 



San Juan Island in Puget Sound, 1906, old boards. Previously unknown 

 in North America, unless the same as Lecanora hageni (Ach.) Koerb. 

 Lecanora atra (Huds.) Ach. 



Iron County, Missouri, Coll. Colton Russell, 1900, rocks. 

 Lecanora boligera (Norm.) Hedl. 



Near Glacier, British Coluni'bia, Coll. Carolyn Crosby, 1901, bark. Not 

 previously reported from North America. 

 Lecanora cinerea (L.) Summerf. 



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

 Alberta, 1906, rocks. 

 Lecanora cinereorufescens (Ach.) Fr. 



Near Glacier, British Columbia, 1906, rocks at 6,000 feet. Little known 

 in North America. 

 Lecanora diffracta (Ach.) 



Islands of Puget Sound, 1906, rocks. 



