432 



INDEX. 



Aquilegia, 136 

 Arabis, 164, 166 

 ARACE.E, 74 

 Aragallus, z\z 

 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 



AsCLEPIADACEjE, 270 

 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 



^ster, 350, 351,357 



ASTERE.E, 337 



Astragalus, 203-212 



Atelophragma, 205 



Athyrium, 4 



Atragene, 141 



A triplex, 116 



Aulospermum, 253 



Avena, 34 



AVENE.E, 33 



Avens, 187 



Avens, Mountain, 188 



Bacharis, 366 

 B a hia, 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-S:, 148 

 Berber is, 148 



Bergamot, Wild, 298 

 Berthelotia, 367 

 Berula, 253 

 Besseya, 313 

 Betula, 96 

 BETULACE.E, 96 

 Bid ens, 375 

 Bigelovia, 341, 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 



Blitiun, 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) 



