42 ERYTHEA. 
Physcia erinacea a ), Tuckerm. 
P. ciliaris (.), D 
P. pulwerulenta came Nyl. 
Physcia pulverulenta (Schreb.), Nyl., forma muscigena 
Auct. 
P. stellaris (L.). 
P. stellaris (L.), var. aipolia, Ny}. 
P. crispa (Pers.), Nyl. 
P. hispida (Schreb.), Tuckerm. 
P. obscura (Ebrh.) Nyl. 
P. adglutinata (Floerk.), Ny1. 
Umbilicaria pheea, Tuckerm. Santa Monica Range. 
U. Semitensis, Tuckerm. San Bernardino Range. — 
Peltigera canina (l.), Hoffm. ; 
Endocarpiscum Guepini (Delis. ), N 
Pannaria microphylla (Sw.), Delis, “s — Californica, 
Tuckerm. 
Collema flaccidum, Ach. 
C. nigrescens (Huds.), Ach. San Bernardino Range. 
Leptogium myochroum (Ehrh.; Scher.), Tuckerm. 
Placodium murorum (Hoffm.), DC., var. miniatum, 
Tuckerm. 
P. bolacinum, Tuckerm. 
P. cerinum (Hedw.), Naeg. & Hepp. 
P. vitellinum (Ehrh.), Naeg. & Hepp. 
P. luteo-minium, Tuckerm. On rocks, Santa Monica 
Range. 
Lecanora muralis (Schreb.), Scheer. Common. 
L. muralis (Schreb.), Scher., var. diffracta, Fr. San Ber- 
nardino Range. 
L. pallida (Schreb.), Scheer. 
L. pallida (Schreb.), Scher., var. cancriformis, Tuckerm. 
L. subfusca (L.), Ach. 
L. Hageni, Ach. 
L. pheobola, Tuckerm. San Bernardino Range. 
L. Pacifica, Tuckerm. Near the coast. 
L. varia (Ehrh.), Nyl 
