325 
40 by 7 and becoming three- to five- and multi-septate. 
Chlamydospore-formation took place in all three strains on the 
seventh day. It was remarked that the Nigella and Delphinium 
s 
consequence, the results of the cross-inoculation experiments 
which were instituted were anticipated with interest. 
INFECTION EXPERIMENTS. 
} d Delphinium plants. The inoculum was treat 
de pomoes \ re ee placed from 3 in. to 1 in. 
° 
: sh sie , 
below the surface of the soil in close proximity to the growing 
