List of Species. 



Artlionia punctif ormis Ach. On Juglans calif ornica, no. 772. 

 Arthonia poly gramma Nyl. On Quercus agrifolia, ?io. ySS. 

 Arthothelium taediosum Nyl. On Q. agrifolia, no. 808. 

 Cladonia pyxidata (L.) Hoffm. Moss covered boulder, no. y6o. 

 C. pyxidata pocillum (Ach.) Flot. On mossy earth, Mt. Hollywood, Los Angeles, 

 no. 838. 



C. fimbriata simplex (Weiss) Wain. Mossy boulder, 7ios. y6i, San Gabriel 



Canyon, no. 875. 

 C. fimbriata clavata Arnold. Mossy boulder, nos. 761, jgz. 

 Gyrophora phaea (Tuck.) Herre. On sun-bak d volcanic rock, 7to. ^66. 

 Acarospora xanthophana (Nyl.) Fink. On rocks, no. 765. 



Pertusaria lecanina Tuck. On Rhamnus crocea, no. 'jgo. On Q. agrifolia, no. 

 804. 



P. leioplaca (Ach.) Schaer. On Q. agrifolia, no. 775. 

 Lecanora subfusca (L.) Ach. On Q. agrifolia, no. 770. 



L. coilocarpa (Ach.) Nyl. On Cercocarpiis, nos. 784, y86. On sandstone, no. 



7Q4. On Q. agrifolia, no. 806. 

 L. albella (Pers.) Ach. On Cercocarpus, nos. 779, 784. 



L. varia (Hoffm.) Ach. On /. californica, no. 77^. On Q. agrifolia, nos. 801, 



803. On Prunus ilicifolia, Mt. Hollywood, no. 840. 

 L. saxicola (Poll.) Ach. On volcanic rock, no. ygS. 

 Ochrolechia pallescens (L.) Mass. On Q. agrifolia, 710s. 764, 7Qi. 

 Parmelia soredica Nyl. On dead Q. agrifolia, 710. 777. ''Not mentioned by 



Hasse. " 



P. cylisphora (Ach.) Wain. (P. caperata (L.) Ach.) On various shrubs, Mt. 



Hollywood, jio. 842. 

 P. conspersa (Ehrh.) Ach. On rocks, nos. 776, 7q$. 



P. physodes (L.) Ach. On various shrubs, Mt. Hollywood, nos. 843, 846. 

 Ramalina canaliculata Fries. On Q. agrifolia, no. 767. 

 R. reticulata (Noehd.) Kremp. On Q. agrifolia, no. 762. 



Blastenia ferruginea (Huds.) Arnold. On Cercocarpus and Quercus, nos. 87s, 



799; 



Xanthoria ^ychnea (Ach.) T. Fries. On Juglans, no. 773. On Cercocarpus, 710. 

 783- 



X. lychnea polycarpa (Ehrh.) T. Fries. On various shrubs, Mt. Hollywood, no. 

 844: 



Teloschisies chrysophthalmus (L.) T. Fries. On Quercus, Ceanothus, and Rham- 

 nus, not common, no. 781. 



Buellia myriocarpa chloropolia (Fries) T. Fries. On shrubs, Mt. Hollywood, 

 nos. 840, 841. 



B. parasema (Ach.) Koerb. On Quercus, 710. 800. 



Physcia stellaris (L.) Nyl. On various barks, 710s. 782, 807. Mt. Hollywood, 

 710. 83Q. 



P. pulverulenta pityrea (Ach.) Nyl. On Quercus, no. 805. 

 Los Angeles, Cal. 



