ISTew York Ageicultural Experiment Station. 183 



and tbe otlier used as a check. "When they had reached a height 

 of six to eight inches the plants were all in perfect health. Never- 

 theless, upon pulling them up it was found that a majority in both 

 boxes had perithecia of Chaetomium contortiim on their pericarps. 

 This proved that the Chaetomium was not parastic. The spores 

 must have become attached to the barley seeds before they were 

 planted. 



