brown aleurone Dark brown pigment in the aleurone, endosperm, embryo, and scutellum; seedlings pale green become necrotic and die.
MaizeGDB reference

brown aleurone Selfed colorless yellow dent ear segregating for brn1, dark brown kernels; brown pigment in aleurone, endosperm, embryo and scutellum. Seedlings produced are pale green necrotic lethal.