Division of Cetptogamic Botany and Plant Pathology 17 



competent assistant in the work of the department and in carry- 

 ing on the investigations. With the increase of work and the 

 other demands upon my time it will soon be impossible to con- 

 tinue these important investigations without the aid of some 

 assistant who can devote his entire time to this work. 



GEO. F. ATKINSON, 

 Cryptogamic Botanist and Plant Pathologist. 

 3 



