Smut of Oats Small 138×320 Medium 276×640 Large 442×1024 Download Tiff Original 1035×2400 | (550.8 KB) Description A smut of oats with a normal head. Keywords grain, head, oats, plant, smut, wild oats Galleries Grasses and Grains Source: The Federal Digest Farm Economy (Minneapolis, MN: Better Farming Association, 1921)