(1.) Parts of Integuments:

Testa (episperm), the outer or proper seed-coat.

Tegmen (endopleura), the inner coat, sometimes wanting.

Funículus Hílum (h), Chalāza (c), Rhāphe (r), are the same as in ovule.

Aril, covering exterior to the integuments (not in the ovule) (May-apple, Water-lily).

Coma,

a tuft of hairs on certain seeds (Silkweed).
This is to be distinguished from pappus, which is a tuft on the fruit (Achenium).

(2.) Parts of Nucleus: