Arbutus, Trailing, 14, 24, 104, 121, 133, 187; days for, 133, 139 _Arctostaphylos pungens_, 165. _See_ Manzanita _Arctomys monax_, 177. _See_ Woodchuck’s home =Arethusa=, generic description, 262 =A. bulbosa=, specific description, 262; haunts of, 89, 90, 187 Arethusa’s Fountain or Spring, 31, 72, 88, 142 _Arisæma triphyllum_, 21, 160 _Arnica acaulis_, 235 Arrow-Head, 64 _Artemisia Absinthium_, 238 Arum, 160 _Asarum Canadense_, 179 _Asclepias tuberosa_, 234 Ashuilticook, South Branch, Hoosac River, 13, 112, 214, 223 _Asplenium_, 194, 195 _A. ebenoides_, 199 _A. platyneuron_, 199 _A. Ruta-Muraria_, 191 Atlantic Region of North America, 60, 131, 153 _Atragene Americana_, 140 August, month of, 105, 140, 165, 231, 237; excursions, 7th, 224; 16th, 222 Aurora’s Bog, 6, 8, 17, 20, 49, 59; hill of, 112, 133 Aurora’s Lake, 5, 14, 89, 114, 177 Autumn flowers (N. J.), 237; Hoosac Valley, 237 Azalea, Pink, 31, 141, 157, 162, 168, 175, 176 _A. nudiflora_, 6 B Bailey, L. H., Jr., quoted, 32 Bald Mountain (Mass.), 11 Baldwin, Henry, quoted, 40, 41, 42 Ball Brook, wanderings of, 15, 25, 27, 36, 55, 72, 75, 86, 141, 172, 179, 181, 202, 204 Ball Farm, 22, 75, 141, 146, 198 Balsam-Fir tree, 202; resinous blisters of, 118, 202 Balsam-Weed, 237 Barber’s Mill, 31, 63, 87, 179 Bear Berry, 21 Bear Swamp, 208 Beaver Dam, last evidences of the, 229 Beaver, The, North Adams (Mass.), 224 Bedford Park (N. Y. City), 161 Beecher, Henry Ward, quoted, 201 Bellows-Pipe, Notch Valley, Hoosac Highlands, 212, 214, 216, 218, 220; Indian’s legend of, 217, 218. _See_ Notch Valley Bennington (Vt.), 37, 204; battle of, 11, 76; county of, 15, 85, 86; hill of, 27, 86, 201; road to Boston (Mass.), from, 76; rebellion of the Green Mountain Boys of, 97 Berkshire, northern (Mass.), 57, 121, 214; “Beautiful Berkshire,” 5; boglands of, 114; highlands of, 133, 222; natural features of, 225; valleys of, 214 Bertram, a character of Hawthorne’s, 215 _Bicuculla Canadensis_, 131 _B. Cucullaria_, 131 _B. eximia_, 131 Birch Family, 149 Birch woods, 57, 138, 186 Bird’s-Foot Violet, origin of name of, 159 Birds, songs of, 130, 133, 202; rare nests of, 154; of the Dome, 210 Bitter-Buttons, 238 Blackberry bushes, 112, 211, 237 Black Spruce, Dwarf, 117 Bleeding Heart, 131 Blodgett, F. H., quoted on origin of Dog’s-Tooth Violet, 126 Bloodroot, 164 Bluebells of New England, 192, 195, 238 Blueberry, Dwarf Low, 117, 118, 119 Bluets, 4, 126, 232 Bobolink, notes of the, 95, 167; nest of the, 96 Bonny, Old, 38 Boots, waterproof, 103, 113; hob-nailed, 213 Boston (Mass.), 7, 47, 94 Botanizing outfit, 62 Boulders, 9, 112, 189, 199, 213, 227 Boxberry, 24 Brakes, 12, 20, 68, 103, 112, 163