(Encyclopedia) peppergrass, any species of the genus Lepidium, widely distributed peppery-tasting herbs of the family Cruciferae (or Brassicaceae; mustard family). They commonly have toothed leaves,…
(Encyclopedia) white snakeroot, North American woods perennial (Eupatorium urticifolium) of the family Asteraceae (aster family), having a flat-topped cluster of small white flowers. It is of the…
(Encyclopedia) agrimonyagrimonyăgˈrĭmōˌnē [key], any plant of the genus Agrimonia, perennials of the family Rosaceae (rose family) native to north temperate zones, to Brazil, and to Africa. They are…
(Encyclopedia) ageratumageratumăjˌərāˈtəm, əjĕrˈə– [key] [Gr.,=unaging], any plant of the genus Ageratum, tropical American annuals of the family Asteraceae (aster family). The commonly cultivated…
(Encyclopedia) blackthorn or sloe, low, spreading, thorny bush or small tree (Prunus spinosa) of the plum genus of the family Rosaceae (rose family), having black bark, white flowers, and deep blue…
(Encyclopedia) ailanthusailanthusālănˈthəs [key], any tree of the genus Ailanthus, native to the warm regions of Asia and Australia. Ailanthus wood is sometimes used for cabinetmaking and for the…
(Encyclopedia) pickerelweed, common name for the Pontederiaceae, a family of chiefly tropical perennial aquatic herbs found in freshwater. The pickerelweeds (genus Pontederia) range north into…
McEWAN, Thomas, Jr., a Representative from New Jersey; born in Paterson, N.J., February 26, 1854; attended the public schools; became a civil engineer; attended the law department of Columbia…
(Encyclopedia) edelweissedelweissāˈdəlvīs [key], perennial aster plant (genus Leontopodium) found at high altitudes in the mountains of Europe, Asia, and South America. It is about 6 in. (15.2 cm)…
(Encyclopedia) house plants, varied group of plants grown indoors and requiring no special care. They are usually grown singly in pots, but can also be grouped and planted together in dish gardens…