zz^ 



Bulletin 263. 



Plioto. Oct. 2G, 1908 



Fig. 53. — Pure cultures of Fuskoccum viticolum. From left to rif^ht, the first is 

 from a poured plate, the second a chip of diseased wood transferred from in- 

 terior of a stem, the third from green shoots, the epidermis peeled back, the 

 fourth a check, a stem sterilized Atig- J, 1908 



