INDEX. 



Abies 



Acer 



ACERACEAE 



Achillea 



Aconite 



Aconitum 



Actaea 



Adenocaulon. . . . 

 Adder's tongue. . . 



Agastache 



Agoseris 



Agropyron 



Agrostemma. . . . 



Agrostideae 



Agrostis 



AlZOACEAE 



Alchemilla 



Alder 



Alfalfa 



Alfilaria 



Alisma 



Allium 



Allocarya 



Almond -willow . . . 



Alnus 



Alopecurus 



Alsike clover 



Alsine 



Alum root 



Alyssum 



Amaranth 



A maranth family . 

 AMARANTHACEAE . 

 Amaranthus. . . . 



Ambrosia 



Amelanchier. . . . 



Ammannia 



Amsinckia 



ANACARDIACEAE. . 



Anaphalis 



Anemone 



Angelica 



ANGIOSPERMAE . . 



Antennaria 



Anthemis 



APOCYNACEAE . . . 



Apocynum 



Aquilegia 



Arabis 



. . 11 ARACEAE 



. . 160 Aralia 



. . 159 ARALIACEAE 



. . 262 Arbor vitae 



. . 110 Arctostaphylos . . . . 



. . 109 Arenaria 



.. 110 Argentina 



.. 253 Aristida 



.. 61 ARISTOLOCHIACEAE . 



. . 216 Arnica 



. . 248 Arrhenatherum 



39 Arrow grass 



95 Arrow grass family . 



19 Arrowhead 



26 Artemisia 



. . 91 Arum family 



. . 137 Asarum 



77 Asclepias 



. . 149 ASCLEPIADACEAE . . 



. . 155 Ash, Mountain. . . . 



. . 17 Aspen 



. . 59 Aster 



. . 210 Astragalus 



73 Atriplex 



.. 77 Athyrium 



24 Athysanus 



. . 147 Avena 



. . 98 Aveneae 



.. 130 



. . 120 Bachelor's button. . . 



. . 90 Balsam family 



90 BALSAMINACEAE . . . 



90 Balsamorhiza 



. . 90 Baneberry 



. . 257 Barberry family . . . . 



. . 133 Barnyard grass .... 



.. 168 Barley, Wild 



.. 208 Wall 



. . 158 Batrachium 



. . 256 Bear grass 



. . 103 Beard-tongue 



. . 179 Beckmannia 



. . 12 Bedstraw 



. . 254 Beech fern 



. . 263 Beggar ticks 



. . 194 Bellflower 



. . 194 Bellflower family . . . 



. . 110 BERBERIDACEAE . . . 



. . 115 Berberis 



287 



52 



175 



175 



10 



189 



100 



124 



22 



81 



272 



27 



16 



16 



17 



253 



52 



81 



195 



195 



134 



75 



268 



151 



88 



3 



114 

 28 

 19 



251 



160 



160 



264 



110 



111 



20 



41 



41 



105 



64 



221 



38 



233 



2 



276 

 241 

 239 

 HI 

 111 



