12 PROCEEDINGS OF THE SOUTHERN CALIFORNIA ACADEMY. 



36. L. glaucoma Ach. (Z,. sordida Fr.) Rocks, San Gabriel Mts., at 



middle elevations. 



37. L. allophana Nyl. Trunks and rocks, Santa Monica Mts. 



38. L. coilocarpa Nyl. On bark throughout. San Bernardino {S. B. 



Parish.) 



39. L. distans Nyl. On bark, Sau Bernardino {S. B. Parish.) 



40. L. hageni Ach. Trunks and rocks. Frequent. 



41. L. pacifica Tuck. Trees, throughout. Fences near Compton {A.J. 



McClatchie.) 



42. L. varia Nyl. Common on trees and rocks. 



43. L. polytropa illusoria Ach. Rocks, San Bernardino Mts. {S. B. 



Parish.) 



43. L. symmicta Ach. On bark ; frequent. 



44. •* saepincola Ach. Twigs ; not frequent, 



F. Apothecia biatoroid; spores 8 or 16, simple, or 1-3 septate, 

 colorless; sterigmata simple; spermatia arcuate. 



45. sophodopsella Nyl. Sp. 0.008 m, millim long, 0.005 thick. Rocks, 



Santa Monica Mts. 



46. L. syringa Ach., {L. athroocarpa Dub.) Frequent on rocks. Only 



i-septate spores have been observed. 



47. L. dimera L. On bark, neat Santa Monica. 



48. L. brunonis Tuck. On rocks, throughout. On Catalina Island. 



G. Apothecia lecanorine; spores 8; pluriseptate, colorless; 

 sterigmata jointed and spermatia straight, cylindrical. 



49. L. subdispersa Nyl. w sp Thallus of minute light brown squamulos 



apothecia quite small, disk black, margin indistinct or disappear- 

 ing. Sp. 0.0QI0-12 m. mill long, 0.005 thick. On sandstone mixed 

 with L brunonis. Santa Monica Mts. 



50. L. ventosa Ach. On bark of conifers in the Sau Gabriel Mts. 



Spores 8, colorless; sterigmata simple; spermatia straight, long. 

 5i. L. atra Ach. On rocks, Catalina Island. 



Spores large, simple; sterigmata simple, with acicular, straight 

 spermatia. 



52. L. pallescens Nyl. Rocks, Catalina Island. 



H. Apothecia innate, lecanorine; spores simple; sterigmata 

 simple and spermatia acicular, straight or curved. 



53. L. cinerea Sommerf. On rocks; common and variable. 



54. L. praecrenata Nyl. n. sp. [in Hit.) On disintegrated granite, Santa 



Monica Mts. on "Barton's Peak." Spores 4-6, globular, 0.020 in 

 in diameter, 



55. L« gibbosa Nyl. On rocks; frequent. 



56. L. laevata Nyl, Rocks; rare. 



57. L. calcarea contorta Nyl. On stones, near Dagget, Mojave desert 



[S. B. Parish.) Nos. 2,758 and 3,528. 



58. L. glaucopsina Nyl. n. sp. Sp. 0.018-22 m. millim long, 0.011-14 



thick. "Pertinet ad stirpem Lecan. cinerese-" Barton's Peak, 

 Santa Monica Mts. 



59. L. epulotica subepulotica Tuck. On granite. San Gabriel Mts. at 



1,900 meters alt. 



I. Acarospora. Spores small and numerous. 



60. L. glaucocarpa Ach. On various rocks; common. 



61. L. squamulosa Nyl. (Z,. cerviiia Nyl.) Rocks, Santa Monica 



Range and ascending the higher San Gabriel Mts. 



62. L. fuscata Nyl. Rocks; frequent. 



63. L. ♦* oligocarpa N>1. Occasionally with the type. 



64. L. rufescens Nyl. On rocks, throughout. 



65. L. smaragdala Nyl. Sandstone, Santa Monica Range. 



