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Calvin, Melvin

(Encyclopedia)Calvin, Melvin, 1911–97, American organic chemist and educator, b. St. Paul, Minn., grad. Michigan College of Mining and Technology, 1931, Ph.D. Univ. of Minnesota, 1935. In 1937 he joined the facul...

canna

(Encyclopedia)canna [Lat.,=cane], any plant of the genus Canna, tropical and subtropical perennials, grown in temperate regions in parks and gardens for the large foliage and spikelike, usually red or yellow blosso...

celery

(Encyclopedia)celery, biennial plant (Apium graveolens) of the family Umbelliferae (parsley family), of wide distribution in the wild state throughout the north temperate Old World and much cultivated also in Ameri...

caraway

(Encyclopedia)caraway, biennial Old World plant (Carum carvi) of the family Umbelliferae (parsley family), cultivated in Europe and North America for its aromatic seeds. They are small and ovate, with a pleasant sp...

Purbeck

(Encyclopedia)Purbeck, district (1991 pop. 42,600), Dorset, England. Purbeck is filled with the clays of the Hampshire Basin, and is therefore largely infertile. Some minor farming occurs on the chalk plateaus and ...

rhizome

(Encyclopedia)rhizome rīˈzōm [key] or rootstock, fleshy, creeping underground stem by means of which certain plants propagate themselves. Buds that form at the joints produce new shoots. Thus if a rhizome is cut...

quaking grass

(Encyclopedia)quaking grass, any plant of the genus Briza, annuals or perennials of the Poaceae (grass family), cultivated for the graceful clusters of seeds, which vibrate in a breeze and are used in everlasting b...

Virgin Islands National Park

(Encyclopedia)Virgin Islands National Park, 14,689 acres (5,949 hectares), St. John, Virgin Islands; est. 1956. The park, with beaches, coves, and headlands, is rich in tropical-plant, animal, and marine life. Bord...

Gilgamesh

(Encyclopedia)Gilgamesh gĭlˈgəmĕsh [key], in Babylonian legend, king of Uruk. He is the hero of the Gilgamesh epic, written on 12 tablets c.2000 b.c. and discovered among the ruins at Nineveh. The epic was lost...

mite

(Encyclopedia)mite, small, often microscopic arachnid that belongs to several orders in the subclass Acari (or Acarina), to which the tick also belongs; mites and ticks are related to the spiders. The unsegmented m...