204 



Mycologia 



Bresadola gives a critical list with notes of 79 species of Congo 

 fungi in Annates Mycologici for June, 191 1. 



R. J. Pool has begun an illustrated series of papers on the 

 forest fungi of Nebraska in the Forest Club Annual. 



In the Transactions of the British Mycological Society (3 : 179— 

 185. 1910), A. D. Cotton continues his notes on the Clavariae 

 of Great Britain. 



An interesting contribution to our knowledge of mine fungi, by 

 P. Spaulding, appears in the annual report of the Missouri Botan- 

 ical Garden for 1910. 



Monographs of the principal European species of Hygrophorus 

 and Inocybe, by Bataille, have appeared in the memoirs of the 

 Socicte d' Emulation du Doubs. 



Sphaeropsis tumefaciens, the cause of the lime and orange knot, 

 was described and figured by Florence Hedges in the April num- 

 ber of Phytopathology. 



Bruce Fink, in the Ohio Naturalist for January, lists twenty- 

 eight species of Boletaceae collected by him during the summer of 

 1909 near Oxford, Ohio, and Berea, Kentucky. 



The known Polyporaceae of Ohio, numbering 118 species, are 

 listed by L. O. Overholts in the Ohio Naturalist for June, with 

 descriptive notes and helpful suggestions to students and col- 

 lectors. 



Dr. G. P. Clinton is to be congratulated upon his discovery of 

 the oospores of Phytophthora infestans, structures long sought 

 by mycologists and declared by some to be mythical. 



The various forms of crown-gall in plants have received much 

 attention of late at the Bureau of Plant Industry in Washington. 

 Students are referred to bulletins 183, 186, and 213 of that bureau 

 for the results of the principal investigations. 



