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 Icevigatum parile Nylander, Syn. 320. i860 .—Sowerby, Eng. 
Bot. t. 2360. 
Disenchantment Bay (Trelease, 1091*5, 1097, 1098c). New to 
Alaska. 
No. 109SC was found with Peltigera and Leptogium. No. 1097 is 
very large, measuring 150 cent, in diameter. All the specimens are 
sterile. Nylander, in Licli. Fr. Berh., reports its occurrence on Bering 
Island, under the name of Nephromium parile. 
152. Nephroma tomentosum (Hoffm.) Koerb. 
Peltigera tomentosa Hoffmann, FI. Germ. 2: 108. 1795. 
Nephroma tomentosum Koerber, Systema Lich. Ger. 56. 1855. 
Lichen resupinatus Dillen., Hist. Muse. t. 28./. ioj. 1741. 
Point Gustavus (Coville and Kearney, 775< 5 ). 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. 
IJchcn arcticus Linn.eus, Sp. PI. 2: 1148. 1753. 
Nephroma arcticum Fries, Lich. Arct. 41. i860. 
Lichen grcenlandicus FI. Dan. t. 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, S35 ; Setchell) ; Port Clarence (Trelease, 1052; Co¬ 
ville and Kearney, 1923, 1923a) ; 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 
Nephrotna 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 Thatnnolia. 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 Nortnandina Icetevirens Turn, and Borr., as growing among 
tufts of moss on St. George Island. 
