31. There are also scrub plants including Elder ( " Sambucus nigra " ). 32. These fires have destroyed large parts of the Pinus nigra and P . heldreichii forests. 33. The current categorization of species of " Chelonoidis nigra " is shown below. 34. It is associated with the degeneration of neurons in the substantia nigra and locus coeruleus. 35. Black people were " nigras " and I'd never heard of Jews. 36. Doctors blame a loss of cells in an area of the brain called the substantia nigra . 37. Add sturdy hollyhocks such as The Watchman ( Althea rosa nigra , A . nigra ). 38. Add sturdy hollyhocks such as The Watchman ( Althea rosa nigra, A . nigra ). 39. The substantia nigra is a small midbrain area that forms a component of the basal ganglia. 40. The structural similarity between the substantia nigra and globus pallidus was noted by Mirto in 1896.
