Organic Pitch Pine Seeds (Pinus Rigida) Shipping is free for orders over 100 White Lily All Purpose Flour, 5 lb Bag Marijuana Look Alikes: Spotting the Difference Tokidoki Botanical Series Moonstone Unicorn Mystery Blind Box Figure Purple RARE eBay Lamb's ears care and growing guide: expert advice Homes and Gardens A seed consists of three main parts: the embryo (a tiny, undeveloped plant with a root and shoot), the endosperm or cotyledons (food storage), and the seed coat (a protective outer layer).