XIII.] 



STRAW BLIGHT. 



71 



will show that in a few places there are transverse joints, 

 stops, or septa in the threads of spawn, as illustrated in 

 the separate thread on the left of illustration, enlarged 



\ff 



G. 26. STRAW BLIGHT. 

 Fragment of diseased Wheat Stern. 

 Enlarged 200 diameters. 



1000 diameters. It is a most unusual thing to see any 

 fungus spawn without these stops, although they are 



