B Baccharis 25 Baeria 50 Balleya 54 Barberry 43 Barberry family 43 Barrel cactus 60 Barometerbush 79 Basketgrass 20 Bead-pod 44 Beardtongue 83 Beargrass 20, 22 Beavertail cactus 59, 60 Bedstraw milkweed 105 Bellflower family 16 Berberis 43 Bignonia family 73 Bird-of-paradise flower 58 Bisnaga 60 Bisnagre 60 Bladderpod 44, 96 Bluebonnet 84 Bluedicks 98 BLUE flowers 98-102 Blue paloverde 36 Boerhaavia 92 Borage family 46 Box family 104 Brickellbush 31 Brickellia 31 Brigham-tea 34 Brittlebush 53 Broadleaf yucca 19 Broom baccharis 25 Broomrape 85 Broomrape family 85 Buckhorn cholla 94 Buckwheat family 70, 103 Buffalo-bur 87 Buffalo gourd 44 Bullhead 38