— 57 - 
Lecanora calcarea (L.) Sommerf. On rocks. 
Candelaria viTELLiNA(Ehrh.) Mull. Arg. On barks and rocks. 
Parmelia olivacea (L.) Ach. Frequent on barks and rocks. 
Parmelia exasperata (Ach. Nyl. Likewise common on barks and rocks. 
Parmelia physodes (L.) Ach. var. anteromorpha Tuck. On various barks. 
Cetraria Californica Tuck. On barks of conifers. 
Alectoria Oregana Nyl. Frequent on limbs of conifers. 
Letharia vulpina (L.) Wainio. On bark of conifers. The apothecia are 
frequently luxuriant, attaining at times a breadth of 33 cm. The lichen 
was also seen on rocks and bark of deciduous trees, but in these cases 
sterile and poorly developed. 
Blastenia ferruginea (Huds.) Arn. On bark. 
Caloplaca aurantiaca (Lightf.) Th. Fr. On bark. 
Caloplaca murorum (Hoffm.) Th. Fr. On bark. 
Xanthoria polycarpa (Ehrh.) Th. Fr. On various barks. 
Theloschistes ramulosus Tuck. Same habitat as the last. 
Buellia parasema (Ach.) Th. Fr. On bark of Fremontia Californica. 
Buella alboatra (Hoffm.) Tr. Fr. On bark of conifers. 
Buella pulchella (Schaer.) Tuck. Spores 18-20 fi long, g-io/i thick, hymen- 
ium 80 fi high; hypothecium brown: paraphyses coherent: thecae dilated 
sack shaped, 72 fj, long, i8;U thick. Hymenial gelatine with iodine blue, 
then sordid yellow. 
Rinodina sophodes (Ach.)Th. Fr. 
Rinodina exigua (Ach ) Th. Fr. 
Rinodina confragosa (Ach.) Koerb. These last three on various barks. 
Rinodina succedens Nyl. On bark of Pseudotsuga macrocarpa. 
Physcia ciliaris (L.) Mass. Rocks, rarely in fruit. 
Physcia pulverulenta (Hoffm.) Nyl. f. muscigena Nyl. On rocks. 
Physcia pulverulenta (Hoffm.) Nyl. Subsp. pityrea Nyl. On rocks. 
Physcia pulverulenta (Hoffm.) Nyl. Subsp. isidiigera A. Zahlbr. (Herre, 
Lich. of the Santa Cruz Peninsula, Cal.) Shaded rocks. 
Physcia pulverulenta (Hoffm.) Nyl. var. suvenusta Nyl. Also the forms 
deminuta Cromb. and panniformis Cromb. (Crombie, Brit. Lich.) On 
rocks. 
In the January Bryologist, XI. 1908, page 6, at bottom, for Catocarpon 
myriocarpum (Mudd) f. ecrustacea (Leight) etc., read Buellia myriocarpa 
(DC.) Mudd f. ecrustacea Leighton, and for Catocarpon myriocarpum 
(Mudd) v . punctiformis (Mudd) Fr. read Buellia myriocarpa (DC.) Mudd v. 
punctiformis (Hoffm.) Mudd. 
Sawtelle, California. 
