• * DIVISION EIGHT — SCIENCE. 613 



STIGMATEA Fries. 



S. GERANNii Fr. On leaves of G. carolinianuin. February — April. 

 GNOMONIA Ces. & De Not. 



G. ALNi Plowr. On leaves of A. rhonibifolia. June — October. 

 OPHIO BOLUS Riess. 



O. FULGiDUS ,C. & P.) Sacc. On dead stems in Arroyo Seco. July. 

 CIvYPEOSPH.^RIA Fckl. 



C. HENDERSONIA (Ell.) Sacc. On dead stems. 

 PHYLDACHORA Nitschke. 



P. GRAMiNis (Pers.) Fckl. On Muhlenbergia mexicana. August — October. 

 NUMMULARIA Tul. 



N. RUMPENS Cke. On oak bark and on sycamore wood. January — April. 

 HYPOXYLON Bull. 



H. CALIFORNICUM E. & E. (n. sp. in lit.) On dead stems oi Adenostoma/asciculatum. 

 June — September. 



H. occiDENTALE Ell. & Ev. Proc. Phil. Ac. Nat. Sc. 1894, p. 345. On dead limbs 

 and trunks. L. R. C. and S. G. Mts. 

 GLONIUM Muhl. 



G. r,iNEARE (Fr.) Sacc. On old decorticated trunks of Acer macrophyllum. 

 HYSTEROGRAPHIUM Corda. 



H. PROMINENS (P. & H. ) B. & G. On dead limbs. 

 ENDOCARPON (Hedw.) Fr. 



E. MiNiATUM Ach. On rocks. 



Order Discomycetecs. Lichens. Cup-fungi. 



BUELLIA De Not., Tuck, 



B. oiDALEA Tuck. On dead limbs. 

 CLADONIA Hoffm. 



C. FiMBRiATA (L.) Fr. var. Tub^^formis Fr. In soil in San Gabriel mountains. 

 C. FURCATA (Huds.) Fr. var. racemosa F1. Canyon sides. 



C. PYXiDATA (L.) Fr. Canyon sides. 

 URCEOLARIA Tuck. 



U. SCRuposa (L.) Nyl. ' On soil. 

 PERTUSARIA DC. 



P. multipuncta (Turn.) Nyl. On trees. 

 RINODINA Mass. 



R. SOPHODES (Ach,) Nyl. On trees. 

 LECANORA Ach. Tuck. 



L. pallescens (L.) Schaer. On trees. 



L. PALLIDA (Schaer. var. cancriformis Tuck. On trees. 



L. pri\'igna (Ach.) Nyl. On rocks. 



L. SUBFUSCA (L.) Ach. On trees. 

 PLACODIUM (DC.) Naeg. & Hepp. 



P. aurantiacum ;Lightf.) Naeg. & Hepp. On rocks and trees. 



P. BOLACiNUM Truck. On rocks. 



P. cerinum (Hedw.) Naeg. & Hepp. var. pyracea Nyl. On trees. 



P. FERRUGiNEUM (Huds.) Hepp. On trees. 



P. MURDRUM (Hoffm.) DC. On rocks. 



LEPTOGIUM Fr. Nyl. 



Iv. ALBOCILIATUM Des. On trees and ground in A. S. and S. G. Mts. 

 L. PALMATUM (Huds.) Mont. Among moss in San Gabriel mountains. 



COLLEMA Hoffm. Fr. 



C. NiGRESCENS (Huds.). Ach. On trees. 

 PANNARIA Delis. 



P. LANUGINOSA (Ach.) Koerb. On rocks and soil in San Gabriel Mts. 



PELTIGERA (Willd. Hoffm.) Fee. 



P. CANiNA (L,.) Hoffm. On rocks and soil among moss. 



STICTA (Schreb.) Fr. 



S. PULMONARiA (L.) Ach. On rocks and trees. 



40 



