Length of Spores of Myxosporium corticolum. 
Eat NT 
Tr 
Tyg 9 99 2199 2894259627 = 303! 39 354 35.5687 3599 4041 49 43 4445 
— from pure culture, 4months old,on malt agar 
c—° from James Grieve apple tree, Long Ashton. 1.V.22. 
Width of Spores of Myxosporium corticolum. 
number 
5 by | Ae aas 
480 | 
re) Y © 
-—-from pure culture, 4 months old,on malt agar 
°—°from James Grieve apple tree, Long Ashton 
