1906] SMITH—A NEW FUNGUS 217 
amount of fruit becomes affected the characteristic odor is very 
pronounced, Penicillium follows rapidly and covers the affected 
lemons, 
With reference particularly to the cause of the trouble, the fungus, 
which comes out on affected fruit in moist air and spreads from 
consists of a sterile mycelium, composed of large 
mostly continuous filaments. If an affected lemon be 
ch Water for several hours, this mycelium develops more 
tee upon the surface, forming a slimy, Saprolegnia-like growth. 
Negus quickly reaches the fibrous core of the lemon, bits of 
which soaked in water are soon surrounded with a luxuriant growth 
