no 
Mycologia 
burrs and nuts with the chestnut canker. Nuts infected with the 
canker become soft and crumbly and are extremely bitter to the 
taste. There is no doubt that the disease may very easily be 
spread by means of these infected fruits. 
Dr. George G. Hedgcock, of the Bureau of Plant Industry, 
spent the first two weeks in February at the Garden examining 
specimens of various tree-destroying fungi. He brought a very 
large and valuable collection with him for comparison and was 
able to spare portions of many of the specimens for the Garden 
herbarium. 
“ Southern Polypores,” by W. A. Murrill, appeared January 30, 
1915. New combinations used in this work are: Inonotus liido- 
vicianus (Pat.) Murrill, Elfvingiella fasciata (Sw.) Murrill, and 
Spongipellis fragilis (Fries) Murrill. “American Boletes ” and 
“ Northern Polypores,” by the same author, were issued December 
8, 1914. In the latter work, two new genera, Fulvifomes and 
Elfvingiella, were published, with several new combinations. 
In the Annals of the Missouri Botanical Garden for September 
and November, 1914, Professor E. A. Burt continues his treat- 
ment of the Thelephoraceae of North America, devoting one paper 
to Craterellus and one to Craterellus borealis and Cyphella. His 
key to Craterellus includes 17 species, 5 of which are described as 
new and i newly combined. Twenty-one species are included un- 
der the genus Cyphella, 5 of which are new. Both papers are well 
illustrated. 
A bulletin on practical tree surgery, by J. F. Collins, recently 
published by the Division of Forest Pathology at Washington, 
contains very careful directions for treating the trunks of trees 
that have suffered from wounds or diseases. The author states 
that the science of tree surgery has suffered from dishonest and 
uneducated men engaged in this work, and he predicts that very 
