SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 25 
Lecidea enteroleuca achrista, Sommerf. Bark of dead pine 
branches and living oaks. 
Lecidea tesselata, Floerk. Sp. 16 micros long, 6 thick, bluntly 
elipsoid. 
Lecidea variegata, Fr. Sp. 12 micros long, 5 thick. Granite. 
Lecidea fusco atra, (L.) Fr. Sp. 16 micros long, 8 thick. 
Granite. 
Lecidea auriculata, Th. Fr. Paraphyses thick (3-4 mier.) dis- 
tinetly articulated. 
Lecidea atrobrunnea, (DC) Schaer. Thallus scales whitish 
margined, hypothecium almost colorless. Granite. 
Buellia petraea, (Flot.-Koerb.) Tuck. 
Buellia geographica, (L.) Tuck. At 275 meters altitude. Gran- 
ite rocks, Long alley near base of Tauquitz Peak. 
Buellia oidalea penichra, Tuck. Pinus ponderosa, Strawberry 
Valley. 
Buellia myriocarpa, (DC) Mudd. Dead pine wood. 
Buellia Bolanderi, Tuck. Granite. 
Buellia parasema triphragmia, Nyl. (B. triphragmia, Nyl.) 
Dead pine wood, Strawberry Valley. 
Verrucaria punctiformis, Ach. var. diminutida, Nyl. Spores 
24-28 micros long, 7-714 thick, one septate, the upper 
paet broadest, division bi nucleate at times faintly 3- 
septate. Theca 52 micros long, 28 thick. On living 
oaks, Keen-Allen’s Camp. 
