The Underground Railroad was a secret network organized by people who helped men, women, and children escape from slavery to freedom. It operated before the Civil War (1861-1865) ended slavery in the United States.
Niger seed. Niger seed oil is obtained from the seeds of Niger plant, which belongs to the Asteraceae family and of the Guizotia genus. The botanical name of the plant is Guizotia abyssinica. The Niger plant is an erect, stout, branched annual herb, grown for its edible seeds and oil.Cultivation for the plant originated in the Ethiopian highlands, and has since spread from Malawi to India.iger seed oil is obtained from the seeds of Niger plant, which belongs to the Asteraceae family and of the Guizotia genus. The botanical name of the plant is Guizotia abyssinica.
Overview. Black thistle bird seed is known as Niger, Nyger or Nyjer seed. The plant that produces the seed is not related to a thistle, but the tiny seed resemble the seeds of the thistle plant.The seeds are widely cultivated in Asia and Africa for their oil content, as a livestock feed and for export as a bird seed feed.yjer seed from bird seed is heat-treated to prevent germination before export. About 80 percent of the seeds are rendered incapable of germination through this method, but the remaining 20 percent will sprout. The plant produces an abundance of yellow flowers, and each flower head contains 30 to 40 seeds.