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club moss

(Encyclopedia)club moss, name generally used for the living species of the class Lycopodiopsida, a primitive subdivision of vascular plants. The Lycopodiopsida were a dominant plant group in the Carboniferous perio...

rocket, in botany

(Encyclopedia)rocket, in botany, popular name for several plants of the family Cruciferae (or Brassicaceae; mustard family). The dame's, or damask, violet, damewort, or sweet rocket is Hesperis matronalis, a hardy,...

Roebling, John Augustus

(Encyclopedia)Roebling, John Augustus rōˈblĭng [key], 1806–69, German-American engineer, b. Mulhouse. He studied engineering in Berlin and in 1831 came to the United States. He demonstrated the practicability ...

St.-John's-wort

(Encyclopedia)St.-John's-wort, any species of the large and widespread herbaceous or shrubby genus Hypericum of the family Hypericaceae (St.-John's-wort family), usually found in moist, open places and often having...

totem

(Encyclopedia)totem tōˈtəm [key], an object, usually an animal or plant (or all animals or plants of that species), that is revered by members of a particular social group because of a mystical or ritual relatio...

Leuna

(Encyclopedia)Leuna loiˈnä [key], city (1994 pop. 8,130), Saxony-Anhalt, S central Germany. There, in 1916, the first synthetic nitrogen plant began to operate after the invention of the Haber process. The city w...

Liaoyuan

(Encyclopedia)Liaoyuan lyouˈyüänˈ [key], city (1994 est. pop. 377,300), SW Jilin prov., China, on the railroad connecting Changchun and Dalian. It is a coal-mining center with a large thermal generating plant. ...

Lufkin

(Encyclopedia)Lufkin, city (1990 pop. 30,206), seat of Angelina co., E Tex.; inc. 1890. Situated in the deep pine woods, it is the core of a region of forest industries with many sawmills and the first plant to mak...

Mymensingh

(Encyclopedia)Mymensingh mīˈmĕnsĭng [key], town (1991 pop. 188,713), N central Bangladesh, on an old channel of the Brahmaputra River. It is a trading center for rice, jute, sugar cane, oilseeds, tobacco, musta...

Hitachi

(Encyclopedia)Hitachi hētäˈchē [key], city, Ibaraki prefecture, E central Honshu, Japan, on the Kashima ...