INDEX. 



123 



Betula lenta 116 



Betula lutea 116 



Betula papyrifera. ....... 116 



Betula populifolia 116 



Bidens cernua Ill 



Bidens chrysanthemoides 111 



Bidens frondosa Ill 



Bindweed, Common 114 



Bindweed, European 114 



Bindweed, Hedge 114 



Birch, Black 116 



Birch, Gray 116 



Birch, Paper 116 



Birch, Yellow 116 



Bitter-sweet 106 



Blackberry, High 108 



Blackberry, Low 108 



Blackberry, Swamp 108 



Bladderwort, Common 114 



Bloodroot 104 



Blueberry, Dwarf 112 



Blueberry, Low 112 



Blueberry, Swamp 112 



Blue-Curls 115 



Bluets 110 



BORRAGINACE^S 113 



Bouncing Bet 105 



Brasenia peltata 104 



Brassica Campestris 104 



Brassica nigra 104 



Brunella vulgaris 115 



Buck-bean 113 



Buckthorn, Alder-leaved. 106 

 Buckwheat, Climbing 



False 116 



Buckwheat, Hedge 116 



Buda rubra 105 



Bugle-Weed 115 



Bugloss, Viper's 113 



Bunch-berry 110 



Bur-Cucumber 109 



Bur-Marigold, Larger 111 



Bur-Marigold, Smaller... Ill 



Bur-reed 119 



Butter and Eggs 114 



Buttercup, Bulbous 103 



Buttercup, Tall 103 



Butterfly-weed 113 



Butter-nut 116 



Button-bush 110 



Button- wood 116 



Calla palustris 119 



Calla, Wild 119 



Callitriche verna 109 



Calopogon pulchellus 118 



Calopogon 118 



Caltha palustris 104 



Camelina sativa 104 



