Cunningham's Encyclopedia of Magical Herbs - Scott Cunningham 1985

Dogwood
The Herbs

(Cornus florida) G

Folk Names: Boxwood, Budwood, Dogtree, Florida Dogwood, Flowering Cornel, Flowering Dogwood, Green Osier, Virginia Dogwood

Powers: Wishes, Protection

Magical Uses: Place the sap of the dogwood onto a handkerchief on Midsummer Eve. This will grant any wish you may have, if you faithfully carry the handkerchief.

Dogwood leaves (or the wood) are also placed in protective amulets.