Kinds of seed by family:
Carrot family, Apiaceae (Umbelliferae)-carrot, celery, celeriac, dill, parsley, parsnip;
Hemp family, Cannabaceae-hemp;
Dichondra family, Dichondraceae-dichondra;
Geranium family, Geraniaceae-alfilaria;
Mint family, Lamiaceae (Labiatae)-sage, summer savory; benne family, Pedaliaceae-sesame;
Rose family, Rosaceae-little burnet;
Nightshade family, Solanaceae-eggplant, tomato, husk tomato, pepper, tobacco; and
Valerian family, Valerianaceae-cornsalad.
(a) General description.(1) Germination habit: Epigeal dicot.(2) Food reserves: Cotyledons; endosperm may or may not be present, depending on the kind.(3) Shoot system: The hypocotyl elongates, carrying the cotyledons above the soil surface. The epicotyl usually does not show any development within the test period.(4) Root system: A primary root; secondary roots may or may not develop within the test period, depending on the kind.(b) Abnormal seedling description.(1) Cotyledons:(i) Less than half of the original cotyledon tissue remaining attached.(ii) Less than half of the original cotyledon tissue free of necrosis or decay.(2) Epicotyl:(i) Missing. (May be assumed to be present if the cotyledons are intact.)(3) Hypocotyl:(i) Malformed, such as markedly shortened, curled, or thickened.(ii) Deep open cracks extending into the conducting tissue.(4) Root:(ii) Missing or stubby primary root with weak secondary or adventitious roots.(5) Seedling:(i) One or more essential structures impaired as a result of decay from primary infection.59 FR 64506, Dec. 14, 1994