:: Blue Vervain (Verbena hastata) :: Did you know this was considered one of the most sacred plants to the druids? Whenever I hear something like that about a plant I get pretty curious as to what is going on with that herb. This is one of our great bitter nervines that equally relaxes the nervous system as well as tension in the liver and digestive system. Matthew Wood calls it the "stiff necked remedy" and uses it as a specific for highly driven, motivated people that push themselves too hard,