M.

Magnolia _Magnolia glauca_ 105 Maple _Acer_ 220 Meadow-Sweet _Spiræa alba_ 114 Mespilus, Snowy 84 Missouri Currant _Ribes aureum_ 49 Motions of Trees 100 Mountain Ash _Sorbus Americana_ 86 Mountain Laurel _Kalmia latifolia_ 96 Mountain Maple _Acer montana_ 221 Myrtle _Myrtus_ 177

N. Northern Cypress _Cupressus thuyoides_ 293 Norway Spruce _Abies excelsa_ 291

O. Oak 121 Oak, Black _Quercus tinctoria_ 133 Oak, Red _Quercus rubra_ 131 Oak, Scarlet _Quercus coccinea_ 132 Oak, Scrub _Quercus ilicifolia_ 132 Oak, Swamp _Quercus bicolor_ 130 Oak, White _Quercus alba_ 129 Orchard Trees 69

P. Peach-Tree _Amygdalus_ 73 Pear-Tree _Pyrus_ 71 Pine, Pitch _Pinus rigidus_ 305 Pine, White _Pinus strobus_ 301 Pine Woods 282 Plane-Tree _Platanus occidentalis_ 174 Plum-Tree _Prunus_ 72 Plumgranate _Prunus Americana_ 72 Poison Ivy _Rhus radicans_ 150 Poplar _Populus_ 245 Primitive Forest, The 1 Privet _Ligustrum vulgare_ 270

Q. Quince-Tree _Pyrus cydonia_ 72

R. Red Birch _Betula rubra_ 239 Red Maple _Acer rubrum_ 228 Red Osier _Cornus circinata_ 201 Relations of Trees to the Atmosphere 109 Relations of Trees to Birds and Insects 233 Relations of Trees to Poetry and Fable 260 Relations of Trees to Salubrity 212 Relations of Trees to Soil 181 Relations of Trees to Temperature 159 Relations of Trees to Water 88 Rhodora _Rhodora Canadensis_ 19 River Maple _Acer_ 222 River Poplar _Populus rivalis_ 248 Rock Maple _Acer saccharinum_ 221 Rose _Rosa_ 217 Rotation and Distribution 25 Rustic Lane and Woodside 148

S. Sassafras _Laurus sassafras_ 134 Snow-ball Tree 186 Snowy Mespilus _Mespilus Canadensis_ 84 Sounds from Trees 249 Southern Cypress 294 Spindle-Tree _Euonymus_ 269 Spiræa 114 Spruce _Abies_ 290 Spruce, Black _Abies nigra_ 291 Spruce, Norway _Abies excelsa_ 291 Spruce, White _Abies alba_ 290 Strawberry-Tree _Euonymus_ 269 Sugar Maple _Acer saccharinum_ 221 Sumach, Poison _Rhus vernix_ 204 Sumach, Poison Ivy _Rhus radicans_ 152 Sumach, Smooth _Rhus glabrum_ 204 Sumach, Velvet _Rhus typhinum_ 204 Summer Wood-scenery 117 Swamp Honeysuckle _Azalea viscosa_ 18 Swamp Rose _Rosa Caroliniana_ 218 Sweetbrier _Rosa micrantha_ 218 Sweet-Fern _Comptonia asplenifolia_ 179 Sweet-gale 178 Synopsis of Autumn Tints 197

T. Trees as Electric Agents 137 Trees for Shade and Salubrity 212 Trees in Assemblages 125 Tulip-Tree _Liriodendron tulipifera_ 104 Tupelo _Nyssa villosa_ 58