41 
LICHENS OF THE VICINITY OF LOS 
ANGELES.—I. 
By Dr. H. E. Hasse. 
For the identification of these lichens, the writer is 
indebted to Mr. Marshall A. Howe of Berkeley and to the 
eminent lichenologist, Dr. Stizenberger, as also to Prof. A. 
J. McClatchie of Pasadena for advice. To these gentlemen 
I desire to express my thankful appreciation. 
It is intended to supplement this list with additions from 
time to time and to include the lichen flora of Catalina 
Island. In connection I will report the finding of Huphorbia 
misera, Benth., upon the island during a recent visit. It 
grows among rocks, scarcely above high tide mark, between 
Avalon and Seal Park. It is not mentioned in the lists of 
Mr. Brandegee and of Mr. Lyon, and is an addition to the 
insular flora. 
Ramalina ceruchis (Ach.), De Not. On shrubs along the 
beach at Santa Monica. 
R. reticulata (Noehd.), Kremp. 
R. Menziesii, Tuckerm. Common on trees and shrubs. 
Cetraria Californica, Tuckerm. San Bernardino Range. 
Common. 
Evernia vulpina (L.), Ach. 
E. prunastri (L.), Ach. On bushes, San Bernardino 
Range. 
Usnea barbata (L.), Fr., var. hirta, Fr. Sterile. 
Theloschistes chrysophthalmus (i.), Norm. Common. 
T. chrysopthalmus (L.), Norm., var. flavicans, Wallr. 
T. lychneus, (Ny].), forma laciniosa, Scheer. 
Parmelia tiliacea (Hoffm.), Floerk. San Bernardino 
Range. 
P. physodes (L.), Ach., var. enteromorpha, Tuckerm. San 
Bernardino Range. 
P. olivacea (1L.), Ach. 
P. olivacea (1.), Ach., var. aspidota, Ach. 
P. conspersa (Ehrh.), Ach. 
