122 CUMMINGS 



No. noo is with Physcia tribacea and Sticta crocata. Most of 

 the specimens are sterile. A common northen lichen. 



151. Nephroma laevigatum parile Nyl. 



Nephroma lavigatum parile NYLANDER, Syn. 320. 1860. SOWERBY, Eng. 

 Bot. /. 2360. 



Disenchantment Bay (Trelease, 1091^, 1097, ic^Sc). New to 

 Alaska. 



No. loySc was found with Peltigera and Leptogium. No. 1097 is 

 very large, measuring 150 cent, in diameter. All the specimens are 

 sterile. Nylander, in Lich. Fr. Bern., reports its occurrence on Bering 

 Island, under the name of Nephromium parile. 



152. Nephroma tomentosum (Hoffm.) Koerb. 



Peltigera tomentosa HOFFMANN, Fl. Germ. 2: 108. 1795. 

 Nephroma tomentosum KOERBER, Systema Lich. Ger. 56. 1855. 

 Lichen resupinatus DILLEN., Hist. Muse. /. 28. f. joj. 1741. 



Point Gustavus (Coville and Kearney, 775<$). A small fragment of 

 a thallus with large thin apothecia. Found with Sticta anthraspis. 

 Reported by Dr. Cooley from Salmon Creek, near Juneau. 



153. Nephroma arcticum (L.) Fr. 



Lichen arcticus LINNAEUS, Sp. PI. 2: 1148. 1753. 

 Nephroma arcticum FRIES, Lich. Arct. 41. 1860. 

 Lichen grcenlandicus Fl. Dan. /. 466, 



Virgin Bay (Trelease, 1047) ; Orca (Trelease, 1046 in part) ; sum- 

 mit of White Pass, 3000 ft. (Trelease, 1048) ; St. Lawrence Island 

 (L. J. Cole, no number) ; Hall Island (Trelease, 1049) ; St. Matthew 

 Island (Trelease, 1050; Coville and Kearney, 2122) ; St. Michael 

 Island (Turner, 835 ; Setchell) ; Port Clarence (Trelease, 1052 ; Co- 

 ville and Kearney, 1923, 1923^) ; Cape Nome (Setchell) ; Seward 

 Peninsula (Collier) . Collected by Dr. Bean on Chamisso Island, in 

 Eschscholtz Bay, and by Dr. Hayes at Taku. Under the synonym 

 Nephroma polaris Ach. Babington reports its occurrence at Kotzebue 

 Sound. 



With these specimens are usually found various species of Cladonia^ 

 Sphagnum, and Dicranum. With the specimen from Orca are frag- 

 ments of Thamnolia. The specimen from Virgin Bay is fertile. This 

 is a very common arctic and alpine lichen. 



Additional Alaska species are : Nephroma expallidum Nyl., re- 

 ported by Nylander as having been collected by Dr. Almquist at Port 

 Clarence, and Nephroma Icetevirens, reported by Macoun under the 

 synonym Normandina tcetevirensTurn. and Borr., as growing among 

 tufts of moss on St. George Island. 



