Corn Smut Flower with Tumors (image) Stanford University Share Print E-Mail Caption A maize tassel infected with corn smut. The tumors are the large white, bulbous growths, some of which have turned yellow or brown. Credit Linda A. Cicero, Stanford University News Service Usage Restrictions Image may not be altered without written permission from Stanford University. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.