ADDENDA. 



Roccella fuciformis (L ) Ach. Catalina Island {Blanche Trask). 



Physcia (Theloschistes) iparietina Schaer. forma virescens Nyl. Rocks 

 Santa Monica Mts. 



Lecidea admiscens Nyl. u. sp. Thallus of convex, light gray, lobate, 

 squamules. The lobules entire or crenulate. Apothecia dark brown 

 to black, with a lighter colored, persistent, sinuate margin. Hy- 

 pothecium pale, fulvous, Spores simple, oblong-elipsoid, o 008 

 long and 0.0045 broad. " Prope L. flexuosam Fr. disponenda." 

 On earth, San Bernardino Mts. {S. B. Parish). 



Lecidea atrolutescens Nyl. n. sp. Thallus of thickish, cartilaginous 

 squamules, distinct, rounded, with undulate or lobulate margins, or 

 the squamules contiguous and then angular, buff or light brown 

 color with a white margin. Apothecia middling to large, convex, 

 black, pruinose with a lighter colored permanent, and very sinuate 

 margin. Sp. simple, colorless; 0.010-12 m. millim, long. 0.005 

 thick On granite, San Gabriel Mts. at 1,500 meters alt. Original 

 locality at " Martin's Camp," Mt. Wilson. 



Lecidea fuscato atra Nyl. n. sp. Thallus squamulose, the squam- 

 ules small, round or sinuate, thin, separate or contiguous, flesh 

 color. Apothecia larger than squamules, flat or slightly convex, 

 disA.blueish black, pruinose with a thick, prominent, permanent, 

 sinuate margin. Sp. colorless, o. 0010-12 m. millim long, and 0.003-4 

 thick Simple or falsely one septate. On granite, San Gabriel Mts. 

 at 1,800 meters alt Original lycality, ' Martin's Gamp," Mt. 

 Wilson. 



Arthonia galactitella Nyl. Pyr. or. Pag. 89. On bark of Oleander and 

 Apricot, Soldiers' Home. Sp. i to 3 septate. 



Mycoporum epistigiiidllum Nyl. n. sp. "in epithecio Lacanora festiva 

 parasitula." Near Soldiers' Home. 



Verrucaria integrella Nyl. f. terrestris Nyl. Near Soldiers' Home. 



V. bacillosa Nyl. n. sp. " Facile p oprii generis novi. Gonidimia parvula 

 Sporse bacilli formis " Sp. simple linear oblong, 0.040 m. millim. 

 long, 0.002 thick. Fo. paraphyses. On soft sandstone, Santa 

 Monica Mts. 



Lecidea atroalbula Nyl. (Lichenes des environs de Paris, p. 99.) 



