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Poinsett, Joel Roberts

(Encyclopedia)Poinsett, Joel Roberts poinˈsĕt [key], 1779–1851, American diplomat and politician, b. Charleston, S.C. In 1810 he was sent as a special commissioner to South America to investigate political cond...

patchouli

(Encyclopedia)patchouli or patchouly both: păchˈo͝olē, pəcho͞oˈlē [key], fragrant shrubby East Indian plant (Pogostemon cablin or P. patchouli) of the family Labiatae (mint family). It is the source of a pe...

fleabane

(Encyclopedia)fleabane, any plant of the genus Erigeron, widely distributed herbs of the family Asteraceae (aster family), especially abundant in temperate and mountainous regions of North America. The flowers, ran...

bearberry

(Encyclopedia)bearberry, any plant of the northern and alpine genus Arctostaphylos of the family Ericaceae (heath family), especially A. uvaursi, a trailing evergreen sometimes cultivated as a ground cover. The sma...

ageratum

(Encyclopedia)ageratum ăjˌərāˈtəm, əjĕrˈə– [key] [Gr.,=unaging], any plant of the genus Ageratum, tropical American annuals of the family Asteraceae (aster family). The commonly cultivated species is th...

agrimony

(Encyclopedia)agrimony ăgˈrĭmōˌnē [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 found wild in the...

peppergrass

(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, clusters of smal...

watermelon

(Encyclopedia)watermelon, plant (Citrullus vulgaris) of the family Curcurbitaceae (gourd family) native to Africa and introduced to America by Africans transported as slaves. Watermelons are now extensively cultiva...

Blakeslee, Albert Francis

(Encyclopedia)Blakeslee, Albert Francis, 1874–1954, American botanist, b. Genesee, New York. He received his Ph.D. at Harvard (1904) and was a member of the faculty until 1907. After several years as professor at...

Nematoda

(Encyclopedia)Nematoda nĕmˌətōdˈə [key], phylum consisting of about 12,000 known species, and many more predicted species, of worms (commonly known as roundworms or threadworms). Nematodes live in the soil an...