41. The forewings are buckthorn brown with tawny-olive spots along the costal margin, edged with sepia. 42. One distinctive character of many buckthorns is the way the veination curves upward towards the tip of the leaf. 43. Sea buckthorn oils are used as a source for ingredients in several commercially available cosmetic products and nutritional supplements. 44. Sea buckthorn was once distributed free of charge to Canadian prairie farmers by PFRA to be used in shelterbelts. 45. Wildlife in the nature reserve includes common alder trees, alder buckthorn , grey sallow and crack willow predominate. 46. "Sea buckthorn " is a term used for all species of the genus " Hippophae ". 47. "' Stil de grain yellow "'is a pigment traditionally derived from unripe buckthorn berries. 48. The forewings are buckthorn brown with the costa, from the base to the apical fifth, cinnamon brown. 49. The five most common tree species are buckthorn , green ash, boxelder, black cherry, and American elm. 50. North American species include hollyleaf buckthorn ( " R . crocea " ), also in the west.
