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Kigali

(Encyclopedia)Kigali kēgäˈlē [key], city (1997 pop. 330,000), central Rwanda, capital of Rwanda. It is the country's main administrative and economic center. The city has an international airport and road acces...

Brown, Robert

(Encyclopedia)Brown, Robert, 1773–1858, Scottish botanist and botanical explorer. In 1801 he went as a naturalist on one of Matthew Flinders's expeditions to Australia, returning (1805) to England with valuable c...

strawflower

(Encyclopedia)strawflower, garden annual (Helichrysum bracteatum) of the family Asteraceae (aster family), a favorite as an everlasting but also grown for its fresh flowers. The plant is native to Australia. The fl...

self-heal

(Encyclopedia)self-heal or heal-all, weedy perennial (Prunella vulgaris) with the typical angular stems and bluish flowers of the family Labiatae (mint family). Although it probably originated in the Old World, sel...

shepherd's-purse

(Encyclopedia)shepherd's-purse, annual herb (Capsella bursa-pastoris) of the family Cruciferae (or Brassicaceae; mustard family), indigenous to Europe but now a nearly cosmopolitan weed in temperate regions. It is ...

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 ...