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head' smut"



Plant Pathol.
a disease of cereals and other grasses, characterized by a dark-brown, powdery mass of spores replacing the affected seed heads, caused by any of several smut fungi of the genera Sorosporium, Sphacelotheca, and Ustilago.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

headsmanheads or tails
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