Epicotyl has a shoot apex and a few leaf primordia enclosed in a hollow foliar structure called

Epicotyl has a shoot apex and a few leaf primordia enclosed in a hollow foliar structure called Coleoptile

Radical and root cap enclosed in an undifferentiated sheath called coleorrhiza.

 In the grass family the cotyledon is called scutellum that is situated towards one side (lateral) of the embryonal axis.

Epiblast is the remnants of the second cotyledons in monocotyledons.