Young Ovary
x.s.

2-nucleate
embryo sac

4-nucleate
embryo sac

8-nucleate
embryo sac

Young anther
x.s.

Anther sac in
meiosis x.s.

Anther sac with
microspores x.s.

Mature anther
x.s.

Pollen grain
x.s.

Mature
microgametophyte

Corn kernel l.s.