(340) 



Barbarea 55, 224 



vulgaris 224 



Barberry.. 232 



Barley 314 



Bay-tree 231 



Beard-grass 300 



Beckmannia 298 



erucaeformis 298 



Bed-straw 126 



Beggar-ticks 96 



Bellflower... 122 



Bent-grass 300 



Bereeride^ 231 



Berberis 31, 232 



aqiiifolium 232 



nervosa 232 



pinnata 232 



repens 232 



Berula 28, 180 



angustifolia 180 



Betulace^ 271 



Bidens 62, 68, 96 



clirysanthemoides 96 



Big-root 122 



Big-tree 328 



Bigelovia 60, 63, 84 



arborescens 84 



Bind-weed 168 



Bitter-Cress 227 



Blackberry 247 



Bladder-fern 334 



Bladderwort 170 



Blecbnum 333 



spicaut .333 



Bleeding-heart 228 



Blenuosperma 69, 106 



Californicum 107 



Blue-Cnrls 132 



Blue-eyed Grass 282 



Blue-pine 326 



Boisduvalia. 37, 244 



cleistogama 244 



densiflora 244 



glabella 244 



Borragixe^ 155 



Botrychium 335 



ternatum 335 



Bottle brush grass 315 



Bowlesia 27, 183 



lobata 184 



Boykinia 30, 186 



occidentalis 186 



Box-Elder 211 



Brass-buttons 109 



Bracken 332 



Brake 332 



Brassica 56, 225 



campestris 225 



nigra. 225 



Brickellia 112 



Bridal-wreath 247 



Briza 14, 310 



media 310 



Brizopyrum 77, 307 



maritimum 308 



Brodifea 8, 32, 288 



congesta 288 



grandiflora 288 



minor 288 



terrestris 288 



Brome-grass 311 



Bromus 14, 311 



ciliatus 312 



grandiflorus 312 



