lO PROCEEDINGS OF THE SOUTHERN CALIFORNIA ACADEMY. 



6. P. ruderatula Nyl. n. Sp. Thallus of chocolate-colored convex 

 (when dry) squamules with a darker margin. Apothecia biatorine, 

 blackish, with somewhat prominent margin. Spores oblong, 

 simple, 0.028 micro, millim. long, 0.007 8 thick. Asci tubular, 

 hypothecium colorless. February, 1897. Original locality on 

 foot-hill ranges near Soldiers' Home. 



SUB=TRIBE HEPPIEI. 



GEN. XXII. HEPPIA Naeg. 



1. H. guepini Nyl. (Endocarpiscum Tuck.) Frequent on rocks. 



(Endocarpiscum bolanderi Tuck, does not differ from H. 

 iuguepini Nyl Nylander, Lichenes, Japoniae, page 105.) 



2. H. despreuxii (Mont.) Tuck. On rocks near Santa Monica and 



ascending the mountains to 600 meters alt. 



3. H. terrena Nyl. On clay. Bulletin Torr. Bot. Club, Vol. 24, No. 9. 



4. H. polyspora Tuck. Quartz Rock. Elsinore. 



5. H. leptopholis Nyl. n. Sp. Thallus of rounded thick squamules, 



light olive green with a dark everted margin. Squamules contains 

 one flat, or slightly concave, apothecinm disk dark red with a 

 darker proper margin. Spores globular decolorate 0.006 micro, 

 millim. in diameter about 20 in azci. "Afflnis Heppiae premnophilae" 

 (Nyl.) On clay. Original locality near Soldiers' Home 



T/?IBE XV. LECANO=LBCIDEI Nyl. 



GEN. XXIII. LECANORA. 

 A. Placodium DC. 



Sterigmata shortly jointed, spermatia straight, oblong or bacilli- 

 form. 



0, L. elegans Ach. Rocks. Local but widely distributed and ascending 



the highest peaks, where, on granite, the finest specimens flourish. 



1. L. murorum Ach. On rocks at lower elevations; frequent near 



Santa Monica. Chiefly represented by the subspec L. tegularis 

 Nyl. Placodium murornni miniatum Mudd. San Bernardino 

 {S. B. Parish.) 

 2 L. callopisma Ach. San Bernardino Mts. (5. B. Parish.) San Gabriel 

 Mts. Not seen with apothecia. 



3. L. poliidella Nyl. n. Sp. " Thallus olivaceo obscuratus parum 



evolutus; Sp. long, o.oio-ii crass 0.005-6 m. millim. Epithecium 

 K. purpurascens." Near Elsinore, on granite. 

 Sterigmata jointed. Spermatia straight. 



4. L, cinnabarina Ach. On rocks Santa Monica Mts. 



5. L. aurantiaca Nyl. On barks throughout. Catalina Island. 



6. L. cerina Ach. Various barks. Common, On bleached bones, San 



Nicolas Island [Blanche Trask.) 



7. L. pyracea Nyl. Bark of Juglans and other trees. 



8. L. subpyraceella Nyl. On earth near Soldiers' Home. Bull. Torr. 



Bot. Club. Vol. 24, No. 9. 



9. L. variabilis Nyl. Granitic and conglomerate rocks near Santa 



Monica and Elsinore. 



Sterigmata long and simple. Spermatia straight. 

 10. L, ferruginea Nyl. Rocks; common. The form bolanderi [Tuck.) 

 frequent in the Santa Monica Mts. on various rocks and clay. Very 

 similar in color to Placadium, luleo-minium. 



