Here is a little bit on Aromatherapy, later on I will flesh it out a little bit more.

Apple-Happiness
Basil-Serenity, Love
Bay-Strength (Honors Apollo)
Bayberry-Abundance
Cedar-Bravery
Gardenia-Spiritual Harmony, Well-Being
Ginger-Calm Spirit, Overall Perkiness
Grapefruit-Banish the Blues
Honeysucklel-Conscious Mind (Focus)
Hyacinth-Self-Control, Peace
Lavender-Anti-Stress,Personal Regulation
Lilac-Improve Psychic Awareness
Lotus-Focus On Spiritual Life
Myrrh-Meditation
Narcissus-Self-Image
Peach-Manifest Goals and Wishes
Rosemary-Memory Retention, Banishing
Sandalwood-Spirituality
Thyme-Work With Fairy Folk
Vanilla-Increase Magickal Power
Violet-Attraction