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Blue grass 



Bog rush 



Bog sedge 



Boneset 



Borage 



Boston iris 



Bowman's root 



Box 



Box- flower 



Box thorn 



Brake 



Brier-herb 



Brittle bark pufF- 



Brook-wced 



Broom corn 



Broom grass 



Broom-rape 



Buchnera 



Buck-bean 



Buck-thorn 



Buck- wheat 



Bugbane 



Bugloss 



BuUrush 



Burdock 



Burnet 



Burnet-saxifrage 



Burr- marigold 



Burr -reed 



Bush clover 



Bush trefoil 



Butter-cup 



Butterfly weed 



Butternut 



Button bush 



ButT.oa wood 



Cabbage 



Camphion 



Canada mint 



Canada thistle 



Cancer root 



Canterbury bells 



