Lauranna Thar'well wants you to go to the Botanica in Tempest Keep and retrieve the Botanist's Field Guide from High Botanist Freywinn.  In addition she also wants you to bring her 5 Super Healing Potions, 5 Super Mana Potions and 5 Major Dreamless Sleep Potions.$B$B*WARNING!* You can only select one alchemy specialization.