Index to Genera and Common Names. 



Page 



Abies 



Abutilon 



Acalypha 



Acer 



Achillia 



Acorus 



Actaea 



Adder's Mouth 

 Tongiie 



Adiantum 



Adlumia 



Aesculus 



Agastache 



Agrimonia 



AgTOpyron 



Agrostemma 



Agrostis 



Ailanthus 



Alder 



Aletris 



Alfalfa 



Alisma 



Allium 



Alnus 



Alopecurus 



Alsike Clover 



Alyssum 



Amaranth zo 



Amaranthus ii, 26 



Ambrosia 6x 



Amelanchier 34 



American Aspen 22 

 Bladder Nut 41 

 Brooklime 55 

 Elm 2i 



Fly Honey- 

 suckle 

 Germander 

 Mountain Ash 34 

 Pennyroyal 53 

 Wh. Hellebore 17 



5 



42 

 40 



tl 

 16 

 30 



31 

 41 



II 



II 



28 



9 

 40 

 23 

 18 

 38 



7 

 17 

 23 



9 



37 



11, 31 



58 

 52 



Yew 

 Ammania 

 Amorpha 

 Ampeiopsis 

 Amphicarpa 

 Anaphalis 

 Andromeda 

 Andropogon 

 Anemone 

 Anemonella 

 Anethum 

 Angelica 

 Antennaria 

 Anthemis 

 Anthoxanthum 

 Anychia 

 Apios 

 A plectrum 

 Apocynum 

 Apple 

 Apple of Peru 



Page 



30 



32 



45 



63 

 49 



27 



16 



Aquilegia 



Arabis 



Aralia 



Arceuthobium 



Arctium 



Arctostaphylos 



Arenaria 



Ar^ethusa 



Ansaema 



Aristida 8 



Aristolochia 24 



Aromatic Winter- 



freen 49 



enatherum 10 

 Arrow Arum 16 

 Arrow-head 7 



Arrow- leaved 



Tear-thumb 25 

 Arrow-wood 5^ 



Artemisia 

 Asarum 

 Asclepias 

 Ash 



Asparagus 

 Asperuia 

 Aspidium 

 Asplenium 

 Aster 

 Avena 

 Avens 



Awned Wheat 

 Grass 



Bachelor's But'n 64 



Bald Rush 12 



Balm 53 



Balm of Gilead 22 



Balmony 55 



Balsam 42 



Fir 5 



Poplar 22 

 Baneberry 3° 

 Baptisia 37 

 Barbarea 32 

 Barberry 30 

 Barnyard Grass S 

 Barren Strawb'y 35 

 Bartonia 50 

 Basil 53 

 Basswood 42 

 Bastard Penny- 

 royal 52 



Toad-flax 24 



Bayberry 22 



Beak Rush 13 



Beaked Hazeln't 23 



Bearberry 49 



Beard Grass 7 



Bear Oak 23 



Bedstraw 57 



Beech 23 



Fern i 



Page 

 Beech-drops 56 

 Beggar's Lice 52 

 Belamcanda 19 

 Bellflower 59 

 Bell wort 17 

 Bent Grass 9 

 Benzoin 31 

 Berber is 30 

 Bermuda Grass 10 

 Berteroa 31 

 Berula 46 

 Betula 23 

 Bidens 62 

 Bindweed 51 

 Bird-foot Violet 43 

 Bird's Foot Tre- 

 foil 38 

 Birthwort 24 

 Bitter Cress 32 

 Dock 25 

 Nut 22 

 Bitter-sweet 54 

 Black Alder 41 

 Ash 50 

 Bindweed 25 

 Gum 47 

 Henbane 54 

 HighBlueber'y49 

 Huckleberry 49 

 Medick 38 

 Mustard 32 

 Poplar 22 

 Snakeroot 30 

 Spruce 5 

 Sugar Maple 41 

 Walnut 22 

 Willow 21 

 Blackberry Lily 19 

 Bladder Cam- 

 pion 28 

 Fern 2 

 Nut 41 

 Bladderwort 56 

 Blephilia 53 

 Blood Root 31 

 Blueberry 49 

 Blue Cohosh 30 

 Curls 52 

 Tangle 49 

 Vervain 52 

 Blue-eyed Grass 19 

 Blue-joint Grass 9 

 Blue-weed 52 

 Bluets 57 

 Boehmeria 24 

 Bog Rosemary 48 

 Rush 17 

 Botrychium 2 

 Bottle-brush 



Grass 11 

 Bottle Grass 8 



Bouncing Bet 28 



Box Elder 41 

 Brachyelytrum 9 



Page 

 Brake i 

 Bramble 36 

 Brasenia 29 

 Brassica 32 

 Bristly Crowfoot 29 

 Foxtail Grass 8 

 Sarsaparilla 45 

 Briza 10 

 Brome Grass 11 

 Bromus 11 

 Broom-rape 56 

 Buckbean 50 

 Buckthorn 42 

 Buckwheat 26 

 Buffalo Currant 34 

 Bugbane 30 

 Bugle Weed 54 

 Bugloss 52 

 Bulbous Butter- 

 cup 29 

 Biillace Plum 37 

 Bulrush 12 

 Burdock 63 

 Bur Marigold 62 

 Bur-reed 6 

 Bush Clover 38 

 Honeysuckle 58 

 Buttercup 29 

 Buiterfly-weed 51 

 Butternut 22 

 Buttonbush 57 



Calamagxostis 9 



Calingale 11 



Calla 16 



Callitriche 40 



Calluna 49 



Calopogon 20 



Caltha 30 



Camelina 31 



Campanula 59 



Campion 28 



Camptosorus i 

 Canada Blue 



Grass 10 



Thistle 63 



Violet u 

 Canadi'n Burnet 36 



Canary Grass 8 



Cannabis 24 



Capsella 31 



Caraway 46 



Cardamine 32 



Cardinal-flower 59 

 Carex 13, 14, 15 



Carpet Weed 27 



Carpinus 23 



Carrion Flower 18 



Carrot • ' 47 



Carum 46 



Gary a 22 



