INDEX 



105 



White 72 

 Ash-leaved Maple 59 



Spiraea 53 

 Asparagus 25 



Garden 25 

 Aspen 29 



American 30 



Large-toothed 30 

 Aspidium 1 

 Asplenium 2 

 Aster 86 



Flat-topped "White 87 



Hairy-stemmed 86 



Heart-leaved 86 



Large-leaved 86 



New England 86 



Panicled 86 



Pringle's 86 



Purple-stemmed 87 



Small White 87 



Stiff 86 



Tall White 86 



Wavy-leaved 87 



White Wood 86 

 Astragalus 53 

 Avena 100 

 Avens 50 



Purple 50 



Rough 50 



Water 50 



White 50 



Yellow 50 

 Awned Cyperus 21 



Wheat Grass 9 

 Azalea, Pink 70 

 Bachelor's Button 87 

 Balm of Gilead 30 



Fir 6 

 Balmony 79 

 Balsam 60 



Fir 6 



Groundsel 91 



Poplar 29 

 Balsam-apple, Wild 84 

 Balsaminaceae 60 

 Baneberry 40 



Red 40 

 White 40 

 Barbarea 44 

 Barberry 43 

 Common 43 

 Family 43 

 Barley 13, 16 



Egyptian 13 

 Barnyard Grass 12 



Barren Strawberry 53 

 Bartonia 72 



Yellow 72 

 Basil 77 



Thyme 77 

 Basswood 61 

 Bastard Pennyroyal 7^ 



Toad-flax 34 

 Beach Heather 62 



Pea 54 

 Beak Rush 22 

 Beaked Hazelnut 32 



Willow 31 

 Bean, Wild 53 

 Bearberry 69 



Red 69 

 Beard, Goat's 92 



Grass 10 

 Bearded Darnel 13 

 Beard-tongue 80 

 Bedstraw 81 



Marsh 82 



Northern 82 



Rough 81 



Small 82 



Sweet-scented 82 

 Beech 32 



American 32 



Blue 32 



Family 32 



Fern 3 



Water 32 

 Beech-drops 81 



False 70 

 Beggar's Lice 74 

 Beggar's-ticks, Com- 

 mon 87 



Swamp 87 

 Bellflower 84 



European 84 



Marsh 84 



Nettle-leaved 84 

 Bellwort 26 



Large-flowered 26 



Sessile-leaved 26 

 Benjamin Bush 43 

 Bent Grass 10 

 Benzoin 43 

 Berberidaceae 43 

 Berberis 43 

 Bergamot, Wild 76 

 Berry, Partridge 82 



Pig'^on 37 



Service 49 

 Berteroa 45 



Betony, Wood 79 

 Betula 32 

 Betulaceae 31 

 Bidens 87 

 Bindweed 73 

 Black 35 

 Field 73 



Fringed Black 36 

 Hedge 73 

 Upright 73 

 Birch 32 

 Black 32 

 Canoe 32 

 Cherry 32 

 Family 32 

 Gray 32 

 Old Field 32 

 Paper 32 

 Sweet 32 

 White 32 

 Yellow 32 

 Bird Cherry 51 

 Birthroot 26 

 Birthwort Family 34 

 Bishop's Cap 48 

 Bitter Cress 45 



Dock 36 

 Bitternut Hickory 31 

 Bittersweet 58, 78 

 Climbing 58 

 Shrubby 58 

 Bitter-weed 85 

 Black Alder 58 

 Ash 72 

 Bindweed 35 

 Birch 32 

 Chokeberry 51 

 Cohosh 41 

 Dewberry 52 

 Gum 68 



High Blueberry 70 

 Huckleberry 69 

 Larch 6 

 Medick 54 

 Mustard 45 

 Oak 33 

 Raspberry 52 

 Snakeroot 41, 67 

 Spruce 6 

 Sugar Maple 59 

 Willow 30 

 Blackberry, High 

 Bush 52 

 Recurved 52 

 Running Swamp 52 



