8o 
CUMMINGS 
905) ; Unalaska (Setchell) ; St. Matthew Island (Trelease, 999 in 
part). New to Alaska. 
On rock associated with various species of Lecanora and Buellia. 
A widely distributed species. 
2S. Lecidea platycarpa forma steriza (Ach.). 
Lecidea conjiuens steriza Acharius, Meth. Lich. 40. 1803. 
Orca (Trelease, 912); Kadiak (Trelease, 944). New to Alaska. 
Reported from Newfoundland and Labrador by Arnold. The 
locality given by Tucker man is the White Mountains of New Hamp¬ 
shire, no western stations being given. 
29. Lecidea albocaerulescens (Wulf.) Schaer. 
Lichen albo-ccerulescens Wulfen. in Jacq. Coll. 2 : 184. t . IJ . f /. 1788. 
Lecidea albocaruZescens Schaerer, Spicil. 142. 1828. 
Orca, 1000 ft. (Trelease, 906, 912a), 1200 ft. (Trelease, 907) ; 
Kadiak (Trelease, 910, 910a). Collected in Alaska by Dr. Bean, as 
recorded by Rothrock; locality not given. 
The specimen from Kadiak numbered 910 has apothecia which are 
almost entirely without the pulverulence which is so characteristic of 
this species. 
30. Lecidea albocaerulescens flavocaerulescens Schaer. 
Lecidea alboccerulescefis b. Jlavocarulescens Schaerer, Spicil. 143. 1828. 
Summit of White Pass, 3000 ft. (Trelease, 919) ; Kadiak (Tre¬ 
lease, 909) ; Unalaska (Setchell) ; Hall Island (Trelease, 908) ; Cape 
Nome (Setchell) ; St. Michael (Setchell). Collected by Dr. Bean 
on Alaska Peninsula, as recorded by Rothrock. 
31. Lecidea confluens (Web.) Ach. 
Lichen Weber, Spicil. 180 t. 2 (excl. syn.). 1778. 
Lecidea conjiuens Acharius, Meth. Lich. 40. 1803.— Sowerby, Eng. Bot. /. 
1964. 
St. Michael (Setchell). New to Alaska. 
On rock. Professor Tuckerman gives as known localities on this 
continent, Arctic America and Greenland. 
32. Lecidea contigua Fr. 
Lecidea contigua Fries, L. E. 208. 1831. 
Kadiak (Trelease, 896 in part, S9S in part, 9130, 914, 915) i Hall 
Island (Trelease, 89112 in part, S913 in part, 903). 
Nylander records it for the three Asiatic stations in his Bering Sea 
list, while Rothrock adds three other Alaskan stations: Unalaska, 
