Thoreau writes in his journal:
The young leaves of the slippery elm are a yellowish green and large, and the branches recurved or drooping. Hypericum corymbosum. Am caught in the rain and take shelter under the thick white pine by Lee’s Cliff. I see thereunder an abundance of chimaphila in bloom. It is a beautiful flower, with its naked umbel of crystalline purplish-white flowers, their disks at an angle with the horizon . . .