Character mistake: Captain is warning German travelers about poison oak and ivy, but holding up the leaf of an oak tree.
Continuity mistake: After the horse race with Sam, Elsa and Sam are talking with bright high sun and shadows on Elsa's face. Moments later the the sun is low on the horizon in clouds. Then later in the same scene the sun is high and the strong shadows are on her face again.
Question: At the beginning, when Dutton wakes up on the battlefield, was it that he was just knocked unconscious by either the concussion of an artillery round or even the butt of a musket?