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.
The concept of black aspergilli has been classified as the Aspergillus niger group by Raper and Fennell and Aspergillus section Nigri by Gams et al. . These species are very important because they are used in fermentation industries and they also are encountered as human and plant pathogens.