Ustilago maydis (DC.) Corda

USTILACO MAYDIS. Corda.
Com Smut.
This fungus attacks the young grains (etc.) of corn, which become greatly dis-
tended by it, and finally burst. These grains must be gathered just be-
fore they burst, dried and powdered.
MEDICAL HERBARIUM.
T. P. ALLEN, M.D.