INDEX 



TO ORDERS, GENERA AND COMMON NAMES. 



I'KF.I'ARKD BY Mil. H. N. DAVIS. 



l'AGK. 



Abies 102 



Abutilon 47 



Acalypha 83 



Acanthaceae 77 



Acer 1.) 



Achillaea 67 



Acorus 93 



Adder-tongue .... 91 



Adiantum 103 



Adlumia 42 



Aesculus 49 



Agrlmonia 55 



Agrimony 55 



Agrostis 100 



Ailanthus 48 



Aira 101 



Aletris 89 



Alismaceae 93 



AliMiia 93 



Allegheny Vine ... 42 



Alnus 86 



Amarantaceae . ... 80 



Amarantus 80 



Amaryllidaceae ... 89 

 Ambrosia .... 

 Amelanchier .... 56 

 Amianthium . . . . !»1 



Ampelopsis 49 



Amphicarpaea ... 52 

 Anacardiaceae . . .80 



Anaphalis 66 



Andromeda 71 



Andropogon .... 99 



Anemone 39 



Anemonella 39 



Antennaria 66 



Anthemis 67 



Anthoxanthum ... 99 



PAGE. 



Anychia BO 



Apios ">J 



Apocynaceae 73 



Apocynum 73 



Apple 



Aqui/oliaceae 48 



Aquilegia 40 



Arabis 42 



Araceae 93 



Araliaceae 60 



Aralia 60 



Arbutus 71 



Arcenthobium .... 88 

 Archangelica . . . . 59 



Arctium 68 



Arenaria 46 



Arisaema 93 



Aristida 88 



Aristolochiaceae . . . 82 



Arrow-head 93 



Arrow-wood 01 



Asarum 82 



Asclepiadaceae .... 73 



Asclepias 73 



Ash 73 



Asparagus !>0 



Aspen 87 



Aspidium 104 



Asplenium 103 



Aster 64 



Atriplex 80 



Azalea 71 



Balm 78 



Balsam Fir 102 



Baptisia 60 



Barbarea 43 



Barn-yard Grass ... 99 



I'A'.K. 



Bartonia 71 



Basil 78 



Beard-tongue . . . . 78 



Beech 



Beech-drops 76 



Bedstraw *'<! 



Beggar-ticks 67 



Bellwort 91 



Berberidaceae . ... 41 



Bergamot 78 



Betula 85 



Ilftuluceae 85 



Bidens 67 



Birch 85 



Blrthroot 81 



Bishop's-cap .... 56 



Bitternut BB 



Bitter-sweet . . . .49. 75 



Black Alder 48 



Blackberry 58 



Black Bindweed . . . 83 



Black Snake-root. II, 58 



Bladderwort . . . . 77 



Blood-root J2 



Blue Beech Ml 



Blueberry 7<> 



Blue-curls 77 



Blue-eyed Grass . . . 88 



Blue Flag BB 



Bluets 



Boneset 63 



Borraginaceae ... 74 



Botrychium 106 



Brachyelitrum . . . 100 



Brassica 48 



Brook-lime 70 



Brunella 78 



Buckbean 74 



