41. The dominant flora of the Pilbara is acacia trees and shrubs and drought-resistant Triodia " spinifex " grasses. 42. The Dooroy contains a little stream running through a dense forest of acacia trees , not far from Tain-ngu pond. 43. Slaves from the south were a major component of the trade, as were ostrich feathers, camels, acacia tree gum. 44. The summit of an acacia tree reached to eye-level and the hills of S�vres could be seen on the horizon. 45. Many of those trees have grown from seeds collected from the acacia trees Gallmann planted on the graves of her husband and son. 46. Lanolin, a hydrophobic sub-Saharan species of the acacia tree , is commonly used to increase the viscosity of the product. 47. Some ornithologists have reported this bird building domed nests in acacia trees , but these records may reflect confusion with the Spanish sparrow. 48. "Plocepasser mahali " ( white-browed sparrow-weaver ) nests, within an acacia tree in the Okavango Delta 49. Their noses worked the wind coming down over the grassy flat lands dotted with Acacia trees , performing the calculus of scent and survival. 50. Four Japanese companies have formed a joint venture to grow acacia trees on Northland farms to produce woodchips for Japanese pulp and paper mills.
