108 ERYTHEA. 



C. fimbriata (L.) Fr., var. suhcornida, Nyl. On shaded 

 earth. 



Biatora coardaia (Sm., Nyl.) On rocks and ground. 



B. Naegelii, Hepp. On various shrubs. Quite frequent. 



B. mixta, Fr. On shrubs. 



B* phaeophora, Stiz., n. sp. Apothecia in groups, dun-col- 

 ored, convex, the thin margin disappearing. Spores ovoid, 

 ellipsoid, 'V*/^, hypothecium colorless, heads of paraphyses 

 faintly yellow. Hym. gel. 1+ dark blue, CI — , K — . On slate 

 rock. 



Lecidea enteroleuca, Fr. On rocks. 



L. enteroleuca, Fr., var. flavida, Fr., Stenh. On rocks. 



L. squalida (Schleich.) Ach., var. caulescens, Nyl. 



L. aromatica (Sw.) Ach. 



L. sylvana (Koerb.) On dead twigs. 



L. lapicida, Fr., var. declinascens, Nyl. On rocks. 



L. platycarpay Ach. On rocks. 



Buellia oidalea, Tuckerm. On various barks. 



B. oidalea, Tuckerm., var penichra, Tuckerm. On Qiier- 

 cus. 



B. parasema ( Ach. ) Th. Fr. On various barks. 



B. petrcBa (Flot., Koerb.) Tuckerm. On rocks. 



B. halonia (Ach.) Tuckerm. 



B. stellulaia (Tayl.) Br. & Rostr. On rocks. 



Lecanactis Californica, Tuckerm. On Querciis. 



Arthonia radiata, Willey. On Quercus. 



A. dispersa (Schrad.) Nyl.. var. tetramera, Stiz. On Quer- 

 cus. 



A. dispersa (Schrad.) Nyl., var. cytisii, Mass. On Quercus. 



A. sUciella, Stiz. On bark. 



A. orbolifera, Ach. On Heteromeles. Apparently not 

 frequent. 



A. anastomosans, Ach. On various barks. 



