After four days it subsided. And a week later, I rubbed a leaf on my arm, to no effect. My poison-oak salad days are over, ...

There are many kinds of oak in our country ... wight who has fallen a victim in a greater or less degree to this poison shrub—to avoid it, is impossible, for it is ever-present along our ...

Poison oak, Toxicodendron diversilobum, is flaming red in the fall landscape. However, don’t gather them for any bouquets to decorate your table. All parts of the plant are poisonous ...