1232 Wisconsin Academy of Saiences, Arts, and Letters. 
EXPLANATION OF PLATE LXXXVIII. 
Fig. 7. Longitudinal section of young seedling showing distribution of 
smut in young leaves and growing tip. 
Fig. 8. Young leaf from preceding showing distribution of mycelium 
in it. 
Fig. 9. Smut mycelium among growing cells, showing cell dividing. 
Fig. 10. Young panicle with rudimentary flowers and floral bracts. 
