(340) 



Barbarea 55, 224 



vulgaris . . . , 224 



Barberry 232 



Barley 314 



Bay-tree 231 



Beard-grass 300 



Beckmannia 298 



erucsBformis 298 



Bed-straw 126 



Beggar-ticks 96 



Bellflower 122 



Bent-grass 300 



BERBERIDK2E 231 



Berberis 31, 232 



aquifolium 232 



nervosa . . . ... 232 



pinnata 232 



repens 232 



Berula 28, 180 



angustifolia 180 



BETULACE^J 271 



Bidens 62, 68, 96 



chrysanthemoides 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 



Blechmim 333 



spicaut 333 



Bleeding-heart 228 



Blennosperma 69, 106 



Californicum.., ..107 



Blue-Curls 132 



Blue- eyed Grass 282 



Blue-pine 326 



Boisduvalia 37, 244 



cleistogama 244 



densiflora , 244 



glabella 244 



BORRAGINE^; 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 



Brodisea 8, 32, 288 



congesta 288 



grandiflora 288 



minor 288 



terrestris. 288 



^Brome-grass 311 



Bromus 14, 311 



ciliatus 312 



grandiflorus 312 



