....the poison oak.
It was everywhere on this trail.
The majority of the vegetation along the pathways was poison oak.
All the greenery to Sam's left: poison oak.
Somehow I have made it through 49 years of life without ever once having a case of poison oak or ivy. Of my seven offspring, three of the oldest ones have had bad times with it. I have witnessed the special kind of misery that this plant causes in the lives of people who are susceptible to its wickedness.
It only takes a microscopic bit of plant oil on a shoe or sleeve, which then spreads to the seat of the car, fingers, wallet, steering wheel and suddenly the world is a dangerous place and life becomes a bad dream of weepy, itchy, painful redness.
All the vegetation on Peter's right: poison oak.
He was taking no chances after he thought his sleeve may have brushed a leaf.
We are two days out and no sign that any of us had contact with the evil stuff.