646 



INDEX. 



BlGNONIE^E, 



Bignonia Family, 



Birch, 



Birch Family, 



Birthwort, 



Birthwort Family, 



Bittern ut, 



Black Jack, 



Bladdernut, 



Bladdernut Family, 



Bladderwort, 



Bladdervvort Family, 



Blazing Star, 



BLECHNE.E, 



Blechnum, 



Blephilia, 



Bletia, 



Bloodroot, 



Bloodvvort Family, 



Bluebern-, 



Blue Cohosh, 



Blue Curls, 



Blue-eyed Grass, 



Blue Flag, 



Blue Jessamine 



Bluets, 



Boehmeria, 



Boerhaavia, 



Boltonia, 



Borage Family, 



BOKRAGE^E, 



BORRAGINACEuE, 



Borreria, 



Borrichia, 



Botrychium, 



Bottle Grass, 



Bouteloua, 



Boykinia, 



Brachyelytrum, 



Brake", 



Rramble, 



Brasenia, 



Brasiletto Family, 



Brickellia, 



Brier, 



Brome Grass, 



BROMELIACE^E, 



Bromus, 



Broom Corn, 



Broom Grass, 



Broom-rape Family, 



Broussonetia, 



Brunella, 



Brunnichia, 



BRUNMCHIE^E, 



Bryophyllum, 



Buclmera, 



Buckeye, 



Buckleya, 



Buckthorn, 



Buckthorn Family, 



Buckwheat Family, 



Bugbane, 



Bullace, 



Bulrush, 



Bumelia, 



Bupleurum. 



