HASSE— LICHKNS. 9 



4. P. lychneaNyl. Common. On Juglaus and Salix {Theloschistcs). 



«* laciniosa Scliaer. With the species. 



5. P. (Theloschistcs) lychnea pygmaea Nyl. Catalina Island (/?/. 



Trask . ) 



6. P. ciliaris (L) DC. On bark. Common. 



7. P. erinacea Nyl. On shrubs. Santa Monica, San Diego {R. B. 



Alder son). 



8. P. crispa Nyl. On Junipers. In the mountains and desert. 



9. P. stellaris Fr. On Bark. Common. 



10. P aipolia Nyl. On rocks. Common. 



11. P. pulverulenta Fr. On trunks. Common. 



" angustata Nyl. On trunks. San Gabriel Mts. at 



800 meters alt. Abundantly fruiting ; the apothecial margin fre- 

 quently lobulate. 



12. P. muscigenia Nyl. On rocks and earth among mosses ; apothecia 



rarely seen. 



13. P. aquiia Fr. Among moss on rocks. San Gabriel Mts. at i,8oo 



meters. 



1 4. P. obsura Fr. On barks. Common. 



15. P. adglutinata Nyl. On bark. Common. 



TRIBE XIII. GYROPHOREl. 



GEN. XIX. GYROPHORA Ach. 



1. Q. rugifera Nyl. On granite in the mountains above 3,300 meters. 



San Bernardino Mts. '^Wright.') San Jacinto Mts. {Dr. A. David- 

 son, On the summit of " Baldy." 



2. Q. phaea (Tuck.) Granitic rocks. Ascending elevations up to 1,800 



meters. San Bernardino Mts. {S. B. Parish). 



3. Q. hirsuta grisea Th. Fr. On various rocks of the same distribution 



as the last preceding. San Bernardino Mts. {S. B. Parish.) 



4. Q. angulata (Tuck.) Granitic rocks in the higher mountains. 



5. Q. semitensis (Tuck.) With the last preceding but not frequent. 



TRIBE XIV, PANNARIEI Nyl. 



CEN. XX. PANNARIA Del. 

 I. P. rubiginosa conoplea Fr, Among moss at bases of trees. 



GEN. XXI. PANNULARIA Nyl. 



1. P. microphylliza Nyl. Thallus of brownish squamules with 



crenate margins and under surface lighter colored. Apothecia 

 brick-red with a raised margin. Spores oblong, ellipsoid, 3 septate, 

 0.016-23 long, 0.006-9 broad. On quartz. San Gabriel Mts. 



2. P. nigra Nyl. On stones. Common. 



3. P. lepidiota (Th. Fr.) Nyl. Shaded banks and earth on rocks ; 



throughout. 

 ** cyanolepra (Tuck.^ On earth. Near Santa Monica. 



Apothecia not observed. 



4. P. triseptata Nyl. On sandstone Santa Monica Mts. 



5. P. microphylla Nyl. On ground among moss. Santa Monica and 



San Gabriel Mts. 

 form californica (Tuck.) Rubio Caiion near Pasa- 

 dena {A. J. McClatchie.) 



