432 



INDEX. 



Aquilegia, 136 

 Arabis, 164, 166 

 ARACE^E, 74 

 Aragallus, 212 

 ARALES, 74 

 Aralia, 249 

 Archemora, 254 

 Arctostaphylos, 259 

 Arenaria, 130, 132 

 Argemone, 148 

 Argentina, 186 

 Argythamnia, 222 

 Aristida, 23 

 Arnica, 387 

 Arrow-head, 14 

 Arrow-grass, 14 

 Arrow-grass Family, 14 

 Arrow-leaf (Balsamorrhiza) 

 Arrow-wood, 323 

 Artemisia, 382 

 Arum Family, 74 



AS CLEPI ADAGES, 27O 

 ASCLEPIADALES, 269 



Asclepias, 270 

 Asclepiodora, 271 

 Ash, 264 



Ash, Mountain, 193 

 Ash, Water, 221 

 Ash-leaved Maple, 227 

 Aspen, 91 

 Asplenium, 4, 5 

 Aster, 351 

 -dster, 350, 351,357 

 ASTERE.E, 337 

 Astragalus, 203-212 

 Atelophragma, 205 

 Athyrium, 4 

 Atragene, 141 

 Atriplex, 116 

 Aulospermum, 253 

 .<4z;wa, 34 

 AVENE.E, 33 

 Avens, 187 

 Avens, Mountain, 188 



Bacharis, 366 

 Bahia, 377 

 Ball-cactus, 237 

 Balsam Apple, 325 

 Balsam Fir, 9 

 Balsamorrhiza, 372 

 Balsam-root, 372 

 Balsams, 9 

 Bane-berry, 135 

 Barbarea, 160 

 Barberry, 148 

 Barberry Family, 148 

 Barnyard-grass, 21 

 Barley, 55 

 Bartonia, 236 



Basil-weed, 299 

 Bastard Toad-flax, 101 

 Batrachium, 142 

 Bear-berry, 259 

 Beard-grass, 20, 30 

 Beard-tongue, 306 

 Beckmannia, 35 

 Bedstraw, 321 

 Beech Family, 97 

 Beech-Fern, 2 

 Beggar-ticks, 375 

 Bell-flower, 325 

 Bell-flower Family, 325 

 Bell-rue, 141 

 Belvisia, 5 

 Bent-grass, 30 

 BERBERIDACE^E, 148 

 Berberis, 148 

 Bergamot, Wild, 298 

 Berthelotia, 367 

 Berula, 253 

 Besseya, 313 

 Be tula, 96 

 BETULACE^E, 96 

 Bidens, 375 

 Bigelovia,34i, 343 

 Bilberry, 260 



Bindweed, 273 



Birch, 96 



Birch Family, 96 



Bird's-foot Trefoil, 202 



Bistort, 112 



Bistorta, 112 



Bitter-cress, 163 



Bitter-root, 126 



Blackberry, 180 



Black Grama, 20 



Black Henbane, 303 



Black-eyed Susan, 371 



Black Pine, 8 



Black Saltwort, 264 



Bladder-Fern, 3 



Bladder-pod, 154 



Bladder-pod, Double, 154 



Bladderwort, 319 



Bladderwort Family, 319 



Blanket-flower (Gaillardia) 



Blazing Star, 336 



Blepharineuron, 28 



Elite, Sea, 119 



Elite, Strawberry, 116 



Blitum, 116 



Blowball, 409 



Bluebell, 325 



Blue-berry, 260 



Blue Flag, 86 



Blue-grass, 40 



Blue-eyed Grass, 86 



Blue-eyed Mary, 305 



Blue Flag (Iris) 



