Maple, 21 ash-leaved, 28 bird’s eye, 23 curled, 25 moosewood, 27 mountain, 7, 28 Norway, 29 red, 10, 11, 23 rock, 22 silver, 25 striped, 7, 27 sugar, 7, 22 swamp, 23 sycamore, 30 white, 25 Maples, 9, 21, 41 Maple sugar, 22, 23 Mathews, 80 Medullary rays, 6 Michaux, 55, 79, 88, 145 Milton, quoted, 109 _Moracæ_, 122 _Morus_, 123 _alba_, 123, 124 _rubra_, 123 Mountain ash, 170 Mulberry, red, 123 white, 122, 124 Nettle tree, 112 Nodes, 9 _Nyssa_, 120 _sylvatica_, 120 Oak apples, 93 bear, 97 black, 92 bur, 88 chestnut, 89 chinquapin, 90 dwarf chestnut, 90 mossy-cup, 88, 144 overcup, 88 pin, 96 post, 91 red, 93 rock chestnut, 89 rough, 91 scarlet, 95 scrub, 97 swamp white, 86 white, 85 Oaks, 9, 77, 83, 84 _Oleaceæ_, 35 _Ostrya_, 72 _virginiana_, 71, 72 Ovid, quoted, 110 Pallas, quoted, 182 Peach tree, 172 buds of, 173 Pear tree, 169 Pepperidge, 120 Phyllotaxy, 81, 82 _Pinaceæ_, 187 Pith, 6, 8 color, 8 form, 8 rays, 6 Plane tree, 117 _Platanaceæ_, 117 _Platanus_, 119 _occidentalis_, 117, 119 _orientalis_, 119 Plum, 172 Poplar, balm of Gilead, 182 balsam, 182 Carolina, 183 cottonwood, 183 Lombardy, 184 necklace, 183 swamp cottonwood, 184 white, 184 _Populus_, 177, 181 _balsamifera_, 182 _deltoides_, 183, 184 _grandidentata_, 181, 182 _heterophylla_, 184 _tremuloides_, 179, 181 _Prunus_, 172 _avium_, 172 _domestica_, 172 _pennsylvanica_, 172 _persica_, 172 _serotina_, 171, 172 _virginiana_, 172 _Pyrus_, 168 _americana_, 170, 171 _communis_, 169 _malus_, 167 _sambucifolia_, 171 _Quercus_, 83, 85 _alba_, 85 _coccinea_, 95, 96 _macrocarpa_, 88, 89 _minor_, 91, 92 _palustris_, 96, 97 _platanoides_, 86, 88 _prinus_, 89 _prinoides_, 90, 91 _pumila_, 97 _rubra_, 93, 95 _velutina_, 92, 93 Redbud, 136 _Robinia_, 130 _hispida_, 131 _pseud-acacia_, 129, 130 _viscosa_, 131 _Rosaceæ_, 167 Rowan tree, 170 _Salicaceæ_, 177 _Salix alba_, 177 _babylonica_, 178 _nigra_, 179 Sapwood, 5 Sargent, quoted, 104, 107, 124, 135, 145 Sassafras, 7, 141, 147 _Sassafras sassafras_, 147, 149 Scars, 9 fruit, 9 leaf, 9 stipule, 9 Service berry, 173 Scott, quoted, 69, 180 Shad bush, 173 Shenstone, quoted, 70 Silkworms, 124, 125 _Simaroubaceæ_, 153, 159 Sour gum tree, 120 Spenser, quoted, 180 Stems, 8, 9 Stipules, 9 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