Definitions / Explanation :

$(i)$ Hypogynous flower/ Superior ovary

$(ii)$ scutellum

$(i)$ In flower Thalamus becomes cone shaped, so ovary is placed at the top. Such ovary is superior and all parts of flower are produced from the lower part of the ovary so this flower is called hypogynous flower.

$(ii)$ In monocot plants, embryonal region consists of one large and shield shaped cotyledon known as scutellum.