188 
of very closely related species of Blane: These semi-saprophytic 
species, on the other hand, are often lecti d often quite 
omnivorous in their habits and for this reason more difficult to 
ome ie roy the only successful means of conatite 
- 
se an similar types of fungi is to 
of soil treatment which will enable us to attack the fungus at its 
source of infection. 
Earlier in oe season the attention of the writer had bee 
we have reason to suspect that it is the same as that of the pre- 
pec: 
Still Rte fungus which has ordinarily passed as a sapro 
phyte has been found to attack the rootstocks of the wild 
will be published in the near uture. 
re) eeming 
Mas the biologist today is to determine the nature and effect 
these minute organisms on growing vegetation. 
F, J. SEAVER 
