Part 39

Sugar berry, 112

Sumac poison, 121

Sweet bay, 153

Sweet gum, 144

Sycamore, 117

Tamarack, 187

Tennyson, quoted, 40, 41

Thoreau, 24 quoted, 65, 148

Thorns, 8

Tilia americana, 141

Tiliaceæ, 141

Tree of heaven, 160

Trees, 3, 4 age of, 6, 8, 9 dool, 31

Trunk, tree, 5 deliquescent, 5 dicotyledonous, 5 excurrent, 5

Tulip tree, 153, 155

Tupelo, 7, 120

Twigs, 8

Ulmaceæ, 101

Umbrella tree, 154

Ulmus, 101, 105 americana, 102 campestris, 108, 110, 112

Ulmus montana, 111, 112 pubescens, 105, 106 racemosa, 107, 108

Vascular bundles, 10

Virgil, quoted, 110

Virgilia, 135

Walnut, black, 48 English, 49

Walnuts, 8, 9, 45

Willow, black, 179 “pussy,” 178 weeping, 7, 178 white, 177

Witch-hazel, 146