embryo specific An emb4-8503 mutant kernel with pericarp and aleurone removed from germinal face, showing elongated necrotic scutellum (photo courtesy J. Clark and W. Sheridan).

embryo specific An emb11-8513 mutant kernel with pericarp and aleurone removed from germinal face, showing well-developed shoot axis and lower scutellum, and complete absence of upper scutellum (photo courtesy J. Clark and W. Sheridan).

embryo specific An emb10-8545 mutant kernel with pericarp and aleurone removed from germinal face, showing well-developed shoot axis and lower scutellum, and complete absence of upper scutellum (photo courtesy J. Clark and W. Sheridan).

embryo specific An emb9-8521 mutant kernel with pericarp and aleurone removed from germinal face, showing massive lighter scutellum with darker colored sectors (photo courtesy J. Clark and W. Sheridan).

embryo specific Photo of an emb8-8514 mutant kernel with pericarp and aleurone removed from germinal face, showing massive irregular scutellum overgrowing shoot apex (photo courtesy J. Clark and W. Sheridan).

embryo specific A mutant kernel with pericarp and aleurone removed from germinal face, showing irregular scutellum with necrotic areas along margin (photo courtesy J. Clark and W. Sheridan).

embryo specific An emb6-8540 mutant kernel with pericarp and aleurone removed from germinal face, showing irregular scutellum and displaced, protruding coleoptile (photo courtesy J. Clark and W. Sheridan).

embryo specific An emb5-8518 mutant kernel with pericarp and aleurone removed from germinal face showing enlarged, very irregular scutellum (photo courtesy J. Clark and W. Sheridan).

embryo specific A emb3-8547 mutant kernel with pericarp and aleurone removed from germinal face, showing bulbous suspensor and elongated embryo proper (photo courtesy J. Clark and W. Sheridan).

embryo specific Photo of an emb2-8522 kernel showing transition stage embryo with irregular embryo proper (photo courtesy J. Clark and W. Sheridan).

embryo specific An emb1-8531 mutant kernel with pericarp and aleurone removed from germinal face, showing tiny late proembryo stage embryo (photo courtesy J. Clark and W. Sheridan).