BRIEFER ARTICLES. 
SOME OBSERVATIONS ON APPLE TREE ANTHRAC 
(WITH TWELVE FIGURES) 
For several years past the apple orchards of the Pacific nor 
including western Oregon, Washington, and British Colum 
suffered seriously from the attacks of a fungous disease which 
known locally as “ canker,” “ dead spot,” or “black spot.” 
Although of considerable economic importance, the diseast 
to have been entirely overlooked by mycologists, and noth 
importance concerning its nature has been recorded. When 
the similar western disease, but only a cursory examination was | 
to show that this is not the case. Recently, with Mr. Paddock 
had the privilege of comparing the two diseases with the 
we were both convinced that they are entirely distinct. 
In deciding to ignore the term “canker,” the most cc 
used of the local names which have been applied to the diseas 
proposing for it the name of apple tree anthracnose, 1 hope to 
fusion in the designation of the disease in the future. The tet 
somewhat similar disease of apple bark caused by Sphaeropsts 
Peck. The term anthracnose, while it has perhaps no defi 
cal significance, seems appropriate from the fact that the fung 
causes it, and for which we here propose the name Gloespori 
corticis is closely related to numerous other fungi of econom 
tance which have quite generally been designated as anthrac 
Apple tree anthracnose attacks principally the smaller 
those under two or three inches in diameter —although it als 
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