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 

 Bartonla 72 



Yellow 72 

 Basil 77 



Thyme 77 

 Basswood 61 

 Bastard Pennyroyal 78 



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 



Pern 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 35 



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 



