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liverwort

(Encyclopedia)liverwort, any plant of the class Marchantiopsida. Mosses and liverworts together comprise the division Bryophyta, primitive green land plants (see moss; plant); some of the earliest land plants resem...

resurrection plant

(Encyclopedia)resurrection plant, name for several plants, usually of arid regions, that may apparently be brought back to life after they are dead. In reality they have hygroscopic qualities which cause them to cu...

Rodgers, Richard Charles

(Encyclopedia)Rodgers, Richard Charles, 1902–79, American composer, b. New York City. Rodgers studied at Columbia and the Institute of Musical Art, New York City. He met both of his future collaborators, Lorenz H...

Hopewell

(Encyclopedia)Hopewell. <1> City (2020 pop. 1,922), Mercer co., central N.J.; inc. 1891. The area was settled in the early 1700s. One early resident, mill ...

Channing, Edward

(Encyclopedia)Channing, Edward, 1856–1931, American historian, b. Dorchester, Mass.; son of William Ellery Channing (1818–1901). He was a prominent teacher at Harvard from 1883 until his retirement in 1929, hol...

agate

(Encyclopedia)agate ăgˈĭt [key], translucent, cryptocrystalline variety of quartz and a subvariety of chalcedony. Agates are identical in chemical structure to jasper, flint, chert, petrified wood, and tiger's-e...

Hedwig, Johann

(Encyclopedia)Hedwig, Johann yōˈhän hātˈvĭkh [key], 1730–99, German botanist, b. Transylvania. He was an authority on the lower plants, especially mosses, and was professor at the Univ. of Leipzig from 1786...

Dickey, James

(Encyclopedia)Dickey, James, 1923–97, American poet and novelist, b. Atlanta. After serving in the air force during World War II, he attended Vanderbilt Univ., graduating in 1946. He was an English teacher and an...

mulch

(Encyclopedia)mulch, any material, usually organic, that is spread on the ground to protect the soil and the roots of plants from the effects of soil crusting, erosion, or freezing; it is also used to retard the gr...

Brentwood, city and district, England

(Encyclopedia)Brentwood, city and district, Essex, SE England. Brentwood is mainly residential but produces some agricultural equipment, film, and prefabricated concr...