12 
D. madreporiformis (Wulf.) Tuck. Rocky Mountains; 
Dr. Parry. : 
CETRARIA Californica, Tuck. Monterey (on trees) 
Menzies. 
C€. Islandica (L.) Ach. Rocky Mountains; Dr. Hay- 
den, Mr. E. Hall. 
C. cucullata (Bellard.) Ach. Rocky Mountains; Mr. 
Hall. 
C. nwals (L.) Ach. Rocky Mountains; Dr. Parry. 
Mr. Hall. ; 
C. glauca (L.) Ach. Coast of Calif.; Mr. H. N. Bolan- 
der. Vancouver's Island; Dr. Lyall. 
C. lacunosa, Ach. Coast. Port Wentworth; Menzies. 
Calif. ; Mr. Bolander. 
C. ciliaris, Ach. Coast of Calif.; Mr. Bolander. 
C. sepincola (Ehrh.) Ach. Pend Oreille r., Oregon; 
Dr. Lyall. 
C. juniperina (L.) Ach., a. Monterey; Menzies. Van- 
couver’s Island; Dr. Lyall. Var. terrestris, Scher. 
Rocky Mountains, alp., Dr. Parry. Var. pinastri, 
Ach. Rocky Mountains; Mr. Hall. 
Evernia vulpina (Wulf.) Ach. Coast of Calif.; Men- 
zies. N. W. Coast; Douglas. Rocky Mountains; 
Dr. Hayden. 
E. prunastri (L.) Ach. N. W. Coast; Menzies. Rocky 
Mountains ; Dr. Hayden. 
E. divaricata (L.) Ach. Rocky. Mountains; Mr. Hall. 
E. furfuracea (L.) Mann. New Mexico; Mr. Fendler. 
Usnea barbata (L.) Fr. florida, Fr: Lower Calif; Mr. 
xXantus. New Mexico, Mr. Fendler. Var. hirta, Fr. 
Rocky Mountains; Dr. Hayden. Coast (f. rubigimea) 
Mr. Bolander. Var. ceratina, Scher. Coast of Calif. ; 
