168 CALIFORNIA ACADEMY OF SCIENCES. 



At the date of the present writing nearly all the madronos 

 on Mt. Tamalpais are affected, the large coriaceous leaves, 

 although dead, remaining attached to the tree and giving 

 the hillsides a russet-brown appearance. 



Pocillum Cesati De Not. — On leaves of Quercus agrifolia, 

 San Francisco, February. 2140. 



Peziza Persoonii Moug. — On Equisetum arvensc, San 

 Francisco, February. 3614. 



P. apala B. & Br. — On stems of Scirpus, San Francisco 

 February. 2125. 



P. ochracea Boud. — On ground amongst moss, Sunny- 

 side, April. 3195. 



Cenangium ferruginosum Fr. — On branches of Pinus Sa- 

 biniana, San Francisco, April. 3090. 



Tuber rufum Pico.— Under Laurel trees, San Kafael. 



3661. 

 GEOPOKA 



(Etym. Ge [Gaia] the earth, and opora, Autumn fruits.) 



Subterranean. Integument woolly, continuous with the 

 trama. Hymenium convolute. Asci cylindrical. Sporidia 

 hyaline, oblong, smooth. 



G. Cooperi. Irregularly globular, 2—4 cm. in diameter, 

 covered with dense brown wool, which is continued inwards 

 on the trama: absorbing base none: hymenium white, not 

 closely packed: asci cylindrical, 8-spored, 220 X 26/^: spor- 

 idia hyaline, oblong, smooth, with a large shining, excentric 

 nucleus. 28 X 20 jx. — Hay wards, January. Collected by 

 Dr. J. G. Cooper. 3880. 



A very interesting addition to the Tuberacei of California. 

 Allied to Hydnotrya but sporidia oblong and smooth. 



The following new species of Californian Fungi from the 

 Harkness Collection have been published in Grevillea during 

 the past year. 



