THE 



PROCEEDINGS 



OF 



110YAL SOCIETY. 



November 15, 1883. 



Professor T. H. HUXLEY, President, in the Chair. 



In pursuance of the Statutes, notice of the ensuing Anniversary 

 Meeting was given from the Chair. 



The Rev. Percival Frost and Mr. Howard Grubb were admitted 

 into the Society. 



General Boileau, Professor Crofton, Mr. Hind, Dr. W. Pole, and 

 Dr. Rae, having been nominated by the President, were by ballot 

 elected Auditors of the Treasurer's Accounts on the part of the 

 Society. 



The Presents received were laid on the table and thanks ordered for 

 them. 



The following Papers were read : — 



I. "Mahonia Aquifolia as a Nurse of the Wheat Mildew (Puc- 

 cinia graminis)" By CHARLES B. PlOWRIGHT, M.R.C.S. ' 

 Communicated by Sir J. D. Hooker, F.R.S. Received 

 July 23, 1883. 



It has always been difficult to account for the widely-spread nature 

 of outbreaks of wheat mildew in districts in which the common bar- 

 berry is either entirely absent or very uncommon. In the year 1874 the 

 Rev. James Stevenson found at Grlamis, in Forfarshire, an JEcidium 

 upon Mahonia aquifolia, which the Rev. M. J. Berkeley* pronounced 

 to be JEcidium berberidis. In the following year Dr. Paul Magnus f 

 found the same fungus at Lichterfelde, near Berlin, but since that 

 time it does not seem to have been noticed by any one. On the 



* Berkeley and Broome, " Annals ISat. Hist.," Jan., 1875. 



f Magnus, " Botan. Yerein der Prov. Brandenburg. Sitzung.," 25 Juin, 1874. 

 p. 76. 



VOL. XXXVI. B 



