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Sigillaria

(Encyclopedia)Sigillaria sĭjĭlârˈēə [key], genus of fossil club moss allied to Lepidodendron, abundant in the Carboniferous period. The thick trunk was rarely branched and was covered for several feet from th...

diapensia

(Encyclopedia)diapensia dīəpĕnˈsēə [key], common name for the Diapensiaceae, a family of low evergreen shrubs native to cool and arctic regions of the Northern Hemisphere. The species that are restricted to t...

layering

(Encyclopedia)layering, horticultural practice of propagating a plant by rooting a branch before severing it from the mother plant. Typically the branch is bent and a section that has been slit or broken on the und...

phlox

(Encyclopedia)phlox, common name for plants of the genus Phlox and for members of the Polemoniaceae, a family of herbs (and some shrubs and vines) found chiefly in the W United States. The family includes many popu...

stonecrop

(Encyclopedia)stonecrop, common name for members of the Crassulaceae (also called orpine, or hen-and-chickens, family), a family of succulent, fleshy herbs and shrubs mostly inhabiting arid regions in many parts of...

Mahan, Dennis Hart

(Encyclopedia)Mahan, Dennis Hart, 1802–71, American soldier and educator, b. New York City; father of Alfred Thayer Mahan. He graduated (1824) from West Point, and from that year until 1871, except for four years...

Browere, John Henri Isaac

(Encyclopedia)Browere, John Henri Isaac brouˈər [key], 1792–1834, American sculptor, b. New York City, studied painting in New York under Archibald Robertson and sculpture in Europe. He is known for his life ma...

cryptogam

(Encyclopedia)cryptogam, in botany, term used to denote a plant that produces spores, as in algae, fungi, mosses, and ferns, but not seeds. The term cryptogam, from the Greek kryptos, meaning “hidden,” and gamo...

agar, substance obtained from seaweed

(Encyclopedia)agar äˈgär, āˈ–, ăgˈär [key], product obtained from several species of red algae, or seaweed, chiefly from the Ceylon, or Jaffna, moss (Gracilaria lichenoides) and species of Gelidium, harve...

Yarmouth, city, Canada

(Encyclopedia)Yarmouth yärˈməth [key], city (1991 pop. 7,781), SW N.S., Canada, on the Atlantic Ocean. It is a port, with exports of lumber, fish, berries, and Irish moss. Manufactures include wood products, iro...
 

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