herbal

adjective

1. of, relating to, or consisting of herbs.

noun

2. a book about herbs or plants, usually describing their medicinal values.
3. a herbarium.

adjective

1. of or relating to herbs, usually culinary or medicinal herbs
2. Australian informal interested or participating in activities relating to esoteric philosophies, traditional remedies, etc

noun

3. a book describing and listing the properties of plants