9 6 
CUMMINGS 
Island ; C. furcata (Huds.), collected on St. Paul Island by William 
Palmer, determined by W. W. Calkins; C. rangiformis Hoffm., 
reported for Kotzebue Sound by Hooker and Arnott, under synonym 
Cenomycc ungens Del.; C. crispata f. divulsa (Del.) Arn., re¬ 
corded by Nylander for Port Clarence under the synonym C. crispata 
f. cetraricefor?nis Del.; C. subsquamosa Nyl. (Emend.), recorded 
by Nylander as occurring at Port Clarence ; C. cenotea (Ach.) Schaer., 
reported by Nylander as occurring at Port Clarence, and by Rothrock 
as having been collected by Dr. Bean on an island in Cross Sound, 
while forms' were brought from Cook Inlet and Sitka which are doubt¬ 
fully referred here; C. mitrula Tuck., collected at Juneau by Dr. 
Cooley; C. decorticata (Floerke) Spreng., collected by Macoun on 
St. Paul Island; C. acuminata (Ach.) Norrh, reported by Nylander 
as having been collected at Port Clarence; C. gracilis (L.) Willd., 
reported by Rothrock 1 for Sitka and Kotzebue Sound, figured by 
Hooper 2 (pi. 1-2), and recorded for Kotzebue Sound by Hooker and 
Arnott under the synonym Ce7io7nyce ec77iocy7ia Ach.; C. gracilesce7is 
(Floerk.) Wainio, reported by Nylander, under the synonym Cladina 
lepidiota (Ach.) Nyl., as having been collected on St. Lawrence 
Island; C. pyxidata pocillum (Ach.) Flot., collected on the islands 
of Bering Strait by Wright, reported from Port Clarence by Nylander, 
who also separates a form as f. cervina which is included by Wainio 
under the var. pocilltmi; C. Ji/nbriata (L.) Fr., collected by William 
Palmer on St. Paul Island, determined by W. W. Calkins, also col¬ 
lected at Loring by Dr. Cooley, by whom a doubtful form was col¬ 
lected at Sheep Creek, near Juneau; C. Ji777briata radiata (Schreb.) 
Coem., reported by Hooker and Arnott for Kotzebue Sound under the 
name Ce7io7nyce radiata Ach. ; C. foliacea alcicor7iis (Lightf.) 
Schaer., collected by Macoun under damp, overhanging rocks on St. 
Paul Island, and recorded as C. alcicornis; and C. cyanipes (Som- 
merf.) Wainio, reported by Nylander as collected at Port Clarence. 
PILOPHORUS. 
KEY TO THE SPECIES. 
Podetia short, stout, apothecia elongated. cereolus hallii. 
Podetia more elongated, apothecia rounded. cereolus acicularis. 
76. Pilophorus cereolus hallii Tuck. 
Pilophorus cereolus hallii Tuckerman, Obs. Lich. 4: 177. 1877. 
Orca, 1500 ft. (Trelease, 1305). New to Alaska. 
1 Rothrock, Dr. J. T. Flora of Alaska, Smithsonian Report, 1867. 
2 Hooper, Cruise of the Corwin, 1881. 
