LICHENS 
II7 
I find no record of this for Newfoundland, Labrador, or Greenland. 
Th. Fries, in his Lichenes Arctoi, 79, records its occurrence in Fin¬ 
land, and expresses his conviction that it is found in many other 
northern localities. 
Nylander credits Pannaria nigra (Huds.) Nyl. to Port Clarence 
under the synonym Pannularia nigra (Huds.). 
Family PELTIGERIACEiE. 
SOLORINA. 
KEY TO THE SPECIES. 
Thallus orange-saffron-colored beneath. crocea. 
Thallus white beneath. saccata spongiosa. 
138. Solorina saccata spongiosa (Sm.) Nyl. 
Solorina spongiosa Smith in Sowerby, Eng. Bot. t. 1374. 
Solorina saccata spongiosa Nylander, Syn. 331. i860. 
Disenchantment Bay (Trelease, 880). One fragmentary specimen. 
This is a common alpine and arctic lichen. Collected at Bering 
Strait by Wright and reported from Port Clarence by Nylander, both 
much more northern localities than the present record. 
139. Solorina crocea (L.) Ach. 
Lichen croceus Linnaeus, FI. Suec. ed. 2. 1101. 1755. 
Solorma crocea Acharius, L. U. 149. 1810.— Sowerby, Eng. Bot. t. 498.— 
Hoffm. PI. Lich. t. 41. f 2-4. 
Disenchantment Bay (Burroughs, 1106) ; Point Gustavus (Coville 
and Kearney) ; Orca (Trelease, 1104) ; Pinnacle Rock, Chichagof Bay, 
2700 feet (Palache, 1082) ; St. Matthew Island (Trelease, 1078, 1083). 
A common alpine and arctic lichen. Collected on St. Paul Island 
by Macoun and on the shores of Bering Strait by Wright. 
According to Tuckerman, Solorina saccata (L.) Ach. was collected 
by Wright on the islands of Bering Strait. 
PELTIGERA. 
KEY TO THE SPECIES. 
Thallus small, veins underneath black. venosa. 
Thallus medium-sized to large. 
Upper surface of thallus besprinkled with brown warts. apthosa. 
Upper surface of thallus without warts. 
Surface of the thallus smooth. 
Thallus small, cream-colored underneath. canina spuria. 
Thallus of medium size or large. 
