HASSE— LICHENS. 13 



66. L. obpallens Nyl. On earth and occasionally on stones, Santa 



Monica Range. Bull. Torr. Bot. Club, Vol. 24, No. 9. 



67. L. pruinosa Nyl. Calcareous rocks, Santa Monica. 



68. L. privigna Nyl Various rocks; common. Catalina Island. 



69. L. ♦♦ revertens Tuck. Granite; Mt. Lowe above Paradena; 



not frequent. 



70. L. simpIex^Nyl. Sandstone, Santa Monica Range. 



71. L. xanthji(pana Nyl. Rocks; common; Catalina Island; San Nicolas 



IsXsina {Blanche Trask.) 



72. L. stenospora Stiz. On granite, San Gabriel Mts. above 200 meters. 



73. L. schleicheri Nyl. On clay, near San Bernardino [S. B. Parish;) 



near Blsinore. /^^^^^^i/iUy^ 



74. L. plfiiASpera Nyl On earth, near Soldiers' Home. Bull. Torr. J^t^nc^ 



Bot Ciub, Vol. 24, No. 9. 



75. L. pleiospora Nyl. On clay, from the foothills ascending the mount- 



ains to 8-900 meters; at Elsinore. 



Spores 8, colorless, 1-3 septate; sterigmata simple and sper- 

 matia arcuate. 



76. L. crysibe sincerior Nyl. On rocks and -(^leached bones, San 



Nicolas Island {^Blanche Trask.) 



SUB-TRIBE II. PERTUSARIEI. 



GEN. XXIV. PERTUSARIA Ach. 



1. P. lecanina Tuck. On various barks mixed with the next following; 



frequent near Santa Monica. 



2. P. pustulata Nyl. Trees; common. 



3. P. flavicunda Tuck. Calcareous rocks, Santa Monica Range. 



4. p. wulfeni DC. On bark in the higher mountains; Catalina Island. 



GEN. XXV. PHIyYCTIS Wellr. 



I. P. argena Kaerb. On oak bark; on the mountains above 800 meters. 



GEN. XXVI. URCEOLARIA Ach. 



1. ^^ scruposa Nyl. Earth and and rocks; common. 



2. "ink gypsacea Ach. On earth; rare. 



3. fil/ actinostoma Pers. Rocks, Santa Monica and San Gabriel Mts 



The proper exciple fuscucent. , 



SUB-TRIBE III. LECIDEEI. 



GEN. XXVII. LECIDEA Ach. 



A. Biatora Fr. 



Thallus squamulose ; spores 8, colorless, simple, oblong or 

 fusiform, sterigmata simple, spermatia straight. 



1. L. lurida Ach. On earth in crevices of granite in the higher mount- 



ains; San Gabriel, San Bernardino (5, B. Parish.) 



2, L. globifera Ach. On earth; common. 



