LICHENS OP SOUTHERN CALIfORNIA 



COLLEiVlACEI Nyl. 

 TRIBE 1. COLLEriEI Nyl. 



GEN. I. COLIvEMA Wigg. 



1. C. chalazanum Ach. Spores 0.022 long, 0.014 broad, in oblong asci ; 



paraphyses district. On earth. Near Santa Monica. 



2. C. myriococcum Ach. On calcareous rocks. Santa Monica Range. 



3. C. confertum Nyl. Spores 0.025 long, o.oio broad. Frequent on 



earth near Santa Monica. 



4. C. flaccidum Ach. Rocks. Santa Monica. 



5. C. pulposum Ach. On rocks and earth. 



6. C. cheileum Ach. Sp. decolorate, submuriform, 0.032 long, 0.012 



broad. On pebbles. Santa Monica Range. 



7. C. o o c i t u plioi uiii Tuck. Sp. one septate, with acuminate ends, o^^ A/Lj^t^ 



long, 0.008 broad. On rocks and earth. tf^^^^i-*^ **>-'*«**^ /i^yj^ 



8. C. limosum Ach. On quartzose rocks. Frequent. 



9. C. nigrescens Ach. On trunks. No apothecia observed. 

 10. C. aggregatum Nyl. On trunks. Near Santa Monica. 



GEN. II. COLLEMODIUM, Nyl. 



1. C, pHcatyle Nyl. Rocks, Santa Monica. 



2. C. turgidum Nyl. On calcareous rocks. Near Santa Monica. 



GEN. III. LEPTOGIUM Fr. 



1. L. lacerum Fr. Rocks among moss. Santa Monica Range. 



2. L. californicum Tuck. Rocks among moss. 



*♦ lophatum Tuck. San Gabriel Mts. at 1.800 meters 



altitude. 



3. L. albociliatum Damez. On rocks. Frequent in the higher mount- 



ains. On rocks, San Diego {R. D. Alder so7i). 



4. L. palmatum Mont. Spores submuriform and muriform, 0.032-56 



long, 0.012-20 broad. Near Santa Monica. 

 '5. L. hildenbrandii Nyl. Trunks. Near Santa Monica. 



SUB. GEN. I. HOMODIUM Nyl. 



1. H. microdium Nyl. n. sp. "Thallus fusco nigrescens minutus fruti- 

 culosus furfurascens." Apothecia zeorine, thalline margin turgid, 

 proper margin reddish of the color of the disk, which is depressed. 

 Sp. simple o 012-16 long, 0.00810 broad. Shaded banks, Sepulveda 

 Canon. 



