Index to Genera and Common Names. 
Page 
A 
Abies 5 
Abutilon 42 
Acalypha 40 
Acer I 
Achillia 2 
Acorus 16 
Actaea 30 
Adder’s Mouth 21 
Tongue 2 
Adiantum I 
Adlumia 31 
Aesculus 41 
Agastache 5 
Agrimonia 3 
Agropyron II 
Agrostemma 28 
Agrostis 9 
Ailanthus 40 
Alder 23 
Aletris 18 
Alfalfa 38 
Alisma 7 
Allium Ez 
Alnus 23 
Alopecurus 9 
Alsike Clover 37 
Alyssum ii, 31 
Amaranth 26 
Amaranthus ii, 26 
Ambrosia 61 
Amelanchier 34 
American Aspen 22 
Bladder Nut 41 
Brooklime 55 
ee 
y Honey- 
suckle 58. 
Germander 52 
Mountain oe 34 
eereycoyas 53 
Wh. Hellebore 17 
Yew 5 
Ammania 44 
Amorpha 35 
Ampelopsis 
Amphicarpa 39 
Anaphalis I 
Andromeda 
Andropogon 7 
Anemone 29 
Anemonella 29 
Anethum 30 
Angelica 7 
Antennaria I 
Anthemis 62 
Anthoxanthum 8 
a aig 27 
pios 9 
Aplectrum 2 
a 50 
aaole of Peru a 
Page 
Aquilegia 30 
rabis 32 
Aralia 45 
Arceuthobium 24 
Arctium 63 
Arctostaphylos 49 
Arenaria 27 
Arethusa 20 
Arisaema 16 
Aristida 8 
Aristolochia 24 
Aromatic Winter- 
green 49 
Arrhenatherum 10 
Arrow Arum 16 
Arrow-head i 
Arrow-leaved 
Tear-thumb 25 
Arrow-wood 55 
Artemisia 63 
Asarum 24 
Asclepias 51 
Ash 50 
pea 18 
Asperula 57 
Aspidium I 
Asplenium I 
Aster 60 
Avena 10 
Avens 36 
Awned Wheat 
Grass II 
B 
Bachelor’s But’n 64 
Bald Rush 12 
Balm 53 
Balm of Gilead 22 
Balmony 55 
Balsam 42 
ir 5 
Poplar 22 
Baneberry 30 
Baptisia 37 
Barbarea 32 
Barberry 30 
Barnyard Grass 8 
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 
Bellwort 17. 
Bent Grass fe) 
Benzoin 31 
Berberis 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 
S 50 
Bindweed 25 
Gum 47 
Henbane 
54 
High Blueber’y 49 
Huckleberry 49 
Medick 33 
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 II 
Bottle Grass 8 
Bouncing Bet 28 
Box Elder 41 
Brachyelytrum 9 
Page 
Brake I 
Bramble 36 
Brasenia 29 
Brassica 
32 
Bristly Crowfoot 2 
Foxtail Grass 
Sarsaparilla 45 
Briza 10 
Brome Grass II 
Bromus II 
Broom-rape 56 
Buckbean 50 
Buckthorn 42 
Buckwheat 26 
Buffalo Currant 34 
Bugbane 30 
Bugle Weed 54 
Bugloss 52 
Bulbous Butter- 
cup 29 
Bullace 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 
Cc 
Calamagrostis 9 
Calingale II 
Calla 16 
Callitriche 40 
Calluna 49 
Calopogon 20 
Caltha 30 
Camelina 31 
Campanula 5 
Campion 2 
Camptosorus I 
Canada Blue 
Grass 10 
Thistle 63 
Violet 4 
Canadi’n Burnet 2 
Canary Grass 
Cannabis 24 
Capsella 31 
Caraway 46 
Cardamine 32 
Cardinal-flow ” 39 
Carex 12, 14,.1 15 
Carpet Weed 
Carpinus 24 
Carrion Flower 
Carrot 7 
Carum 46 
Carya 22 
