106 



INDEX 



Black-eyed Susan 90 

 Black-fruited Moun- 

 tain Rice 14 

 Bladder Campion 39 

 Fern 2 

 Ketmia 61 

 Nut 59 



Nut Family 59 

 Bladderwort SO 

 . Family SO 

 Greater SO 

 Blite, Strawberry 37 

 Bloodroot 43 

 Blue Beech 32 

 Bottle 87 

 Cohosh 43 

 Curls 78 

 Devil 74 

 Flag 27 

 Myrtle 73 

 Sailors 87 

 Vervain 75 

 Vetch 55 

 Bluebell 84 



Family 84 

 Bluebells 75 

 Blueberry 70 

 Black High 70 

 Early Sweet 71 

 High 70 

 Late Low 71 

 Low Sweet 71 

 Sour-top 70 

 Swamp 70 

 Velvet-leaf 70 

 Bluets 82 



Blue-eyed Grass 27 

 Blue-joint Grass 11 

 Blue-stemmed Golden- 

 rod 91 

 Blue-weed 74 

 Blunt-leaved Milk- 

 weed 73 

 Sandwort 38 

 Blunt-lobed Woodsia 3 

 Boehmeria 33 

 Bog Club Moss 5 

 Golden-rod 92 

 Rosemary G9 

 Rush 24 

 Spruce 6 

 Willow 30 

 Wintergreen 70 

 Boneset 88 

 Boott's Shield Fern 1 



Borage Family 74 

 Boraginaceae 74 

 Botrychium 4 

 Bottle, Blue 87 



Grass 16 

 Bottle-brush Grass 

 Bouncing Bet 39 

 Box Elder 59 

 Brachyelytrum 10 

 Bracken :j 

 Brake 3 



Cliff 3 



Purple Cliff 3 



Rock 2 



Slender Rock 2 

 Bramble 52 

 Brasenia 40 

 Brassica 45 



Brier, Cat 26 



Green 26 

 Bristly Crowfoot 42 

 Foxtail Grass 16 

 Sarsaparilla 66 

 Broad Beech Fern 3 

 Broad-fruited Bur- 

 reed 7 

 Broad-leaved Spring 



Beauty 40 

 Brome Grass 11 

 Bromus 11 

 Brooklime, American 

 Broom Beard Grass 

 Broom-rape 81 



Family 81 

 Brown Beak Rush 22 

 Brownish-fruited 



Rush 24 

 Buckbean 72 

 Buckeye 59 

 Buckthorn 60 

 Alder-leaved 60 

 Common 60 

 Family 60 

 Buckwheat 35 

 Climbing False 36 

 Family 36 

 Buffalo-berry, Cana- 

 dian 64 

 Buffalo Currant 48 

 Bugbane 41 

 Bugle Weed 75, 76 

 Bugloss, Viper's 74 

 Bulb-bearing Loose- 

 strife 71 

 Bulbous Buttercup 42 



Crowfoot 42 

 Bull Thistle 88 

 Bulrush 22 

 Great 22 

 River 22 

 3 Bunchberry 68 

 Bur Clover 54 

 Grass 11 

 Marigold 87 

 Oak 33 

 Burdock 86 

 Common 86 

 Great 86 

 Burnet 53 



Garden 53 

 Bur-reed 7 



Broad-fruited 7 

 Family 7 

 Burseed 74 

 Bush, Benjamin 43 

 Clover 54 

 Fever 43 

 Honeysuckle 82 

 Rock Shad 49 

 Shad 49 

 Shore Shad 49 

 Spice 43 

 Steeple 53 

 Bushy Golden-rod 91 

 Butter-and-Eggs 79 

 SOButtercup 42 

 10 Bulbous 42 

 Creeping 42 

 Swamp 43 

 Tall 42 

 Butternut 31 

 Butterweed 88 

 Buttonbush 81 

 Buttonwood 49 

 Cabbage. Skunk 23 

 Calamus 23 

 Calamagrostis 11 

 Calamint 77 

 California Rose 73 

 Calla 23 



Wild 23 

 Callitrichaceae 57 

 Callitriche 57 

 Calopogon 27 

 Caltha 41 

 Camelina 45 

 Campanula 84 

 Campanulaceae 84 

 Campion 38, 39 

 Bladder 39 



I 



