The bark of them are red.
Has dropped leaves and stem isn't as colorful. Had to off trail a ways.
Red branches, leaves that come to a point
The skin underneath the bark of the tree is a bright red. The leaves of the tree have veins that run towards the tip of the leaf and run along the edges of the leaf. Picture retrieved from http://slatszwildflowerwalks2012.blogspot.com/p/may-9-2012-7-new-bloom-11-currently-in.html
Cornus sericea, syn. C. stolonifera, Swida sericea, (red osier dogwood) is a species of flowering plant in the family Cornaceae, native throughout northern and western North America from Alaska east to Newfoundland, south to Durango and Nuevo León in the west, and Illinois and Virginia in the east. Other names include red willow, redstem dogwood, redtwig dogwood, red-rood, American dogwood, creek dogwood, and western dogwood.