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MANUAL OF POISONOUS PLANTS 



Fig. 55. 1. Maize Smut (Ustilago seae). Cells showing thread of mycelium passing 

 from cell to cell; (a) thread shows through; (b) section of cut sheath and thread. 2. Corn 

 Smut, Spores in process of germination; each spore is sending out a tube with small lateral 

 bodies. 3. The same, spores germinating in nutrient solution sprouting like yeast. From 

 U. S. Dcpt. Agr. 4. Kernel Smut of Sorghum (Spkacelotheca Sorghi) on Sorghum. 



