LICHENS 
II 9 
142. Peltigera canina membranacea (Ach.) Nyl. 
Peltidea canina membranacea Acharius, L. U. 518. 1810. 
Peltigera canina membranacea Nylander, Syn. 324. i860. 
Alaska (Evans, 1S4) ; head of Russell Fiord (Trelease, 959) ; 
Sitka (Trelease, 1042; Setchell, 1272); Hot Springs, Baranof 
Island (Trelease, 1039a) ; Vancouver Island, Broughton Strait 
(Trelease, 1033, 105S, 10S4) ; Point Gustavus, Glacier Bay (Coville 
and Kearney, 778) 5 Farragut Bay (Coville and Kearney, 474a) ; Un- 
alaska (Trelease, 1043) ; St. Paul Island (Trelease, 1044) ; St. 
Michael (Setchell) ; Pastoliak River (Newhall). 
The specimens from Sitka are especially large and well developed. 
Most of the specimens are fertile. This is a common form on the 
northwest coast of America. 
143. Peltigera canina spuria (Ach.) Nyl. 
Peltidea canina spuria Acharius, L. U. 518. 1810.— Sowerby, Eng. Bot. 
t. 1542. 
Peltigera spuria Nylander, Syn. 325. i860. 
Lowe Inlet, B. C. (Trelease, 1059a) ; Yakutat (Trelease, 1065$). 
Collected on St. Paul Island by Macoun. 
Both specimens well developed and fertile. 
144. Peltigera rufescens (Neck.) Hoffm. 
Lichen rufescens Necker, Meth. Muse. 79. 1771. 
Peltigera rufescens Hoffmann, FI. Germ. 2 : 107. 1795.— Sowerby, Eng. 
Bot. t. 2300. 
Wrangell (Trelease, iioi£, 1127) ; Juneau (Setchell, 1246) ; Muir 
Glacier (Trelease, 1102a, 1102*5); Cape Fox (Trelease, 1070a); 
St. Michael (Setchell). New to Alaska. Nylander reports it from 
Konyam Bay on the Asiatic side of Bering Strait. 
145. Peltigera pulverulenta (Tayl.) Nyl. 
Peltidea pulverulenta Taylor in Hook. Lond. Journ. Bot. 6 ; 184. 1847. 
Peltigera pulverulenta Nylander, Syn. 325. i860. “ 
Alaska (Evans, no number) ; Disenchantment Bay (Trelease, 
1096(5) ; Port Wells (Trelease, 1056, 1056*5) ; Hall Island (Trelease, 
1067); Cape Nome (Setchell). New record for Alaska. 
Tuckerman, in his Syn. N. A. L., 10S, records it as being in Herb. 
Babington, from Kotzebue Sound. In Babington’s list of the Flora 
of Western Eskimaux Land no mention is made of this species, al¬ 
though four other species of Peltigera are recorded from Kotzebue 
Sound. The specimens vary greatly in the amount of granulation of 
the thallus, no. 1056 being the most typical in that respect. 
