CALIFORNIA ACADEMY OF SCIENCES. 161 



Septoria aceris B. & Br. — On leaves of Negundo aceris, 

 San Francisco, August. 2776. 



Ch.^tophoma quercifolia Cke. — On living leaves of Quer- 

 cas agrifolia, Berkeley, April. 3125. 



Gl^osporium phomiforme Sacc. & Ell. — On Phormium 

 tenax, San Francisco, March. 2224. 



G. nervisequum (Fckl.) — On living leaves and twigs of 

 Platanus racemosa, throughout the country. "The Sycamore 

 disease," the ravages of which continued for many years, 

 have robbed the banks of our streams of much of their 

 beauty. April — September. 3249. 



Marsonia potentill.f Sacc. &EU. — On Potent ilia anserina, 

 San Francisco, June. 3147. 



M. Populi Desm. — On living leaves of Popidus Fremontii, 

 Sacramento, June, 2049. 



Septogleum defolians. Oozing out in flesh-colored heaps 

 all over the leaves and petioles: spores 3 — 7-septate more or 

 less curved or flexuous 4 X 68. — On Querciis Kelloggii, in the 

 foothills of the Sierra Nevada, July, 1884. 3705. 



This fungus was so abundant last year as to make great 

 numbers of trees almost leafless. 



Coryneum umbonatum Tul. — On twigs of Quercus Douglasii, 

 Antioch. 3468. 



Pestalozzia Planimi Vize, Grev. vi. 109. — This is an 

 error of the printer for P. Euonymi; but the name although 

 meaningless may be allowed to stand. The host-plant is 

 Euonymus Japonicus. 



Ustilago vinosa Tul. — On Oxyria digyna, Donner Lake, 

 Aug. 3889. 



U. urceolorum Tul. — On Carex, LakeTahoe, Aug. 3380. 



Sorosporium Californicum. — Spores nearly globular in 



