6 5 6 



INDEX 



Barbarea Barbarea, 341 



praecox, 341 



stricta, 341 



verna, 341 

 Bartonia, 506 



iodandra, 507 



lanceolata, 507 



paniculata, 507 



virginica, 507 

 Bassia, 298 



hirsuta, 298 

 Batrachium, 329 

 I circinatum, 329 



longirostris, 329 



tricophyllum, 329 

 Bellis, 604 



perennis, 604 

 Benzoin, 332 



aestivale, 332 



Benzoin, 332 

 Berberidaceae, 331 

 Berberis, 331 



canadensis, 331 



vulgaris, 331 

 Berteroa, 349 



incana, 349 

 Beta maritima, 300 

 Betula, 272 



allcghaniensis, 6, 273 



lenta, 273 



lutea, 6, 273 



nigra, 22, 273 



papyrifera, 272 



populifolia, 272 



pumila, 6, 19, 272 

 Betulaceae, 270 

 Bicuculla, 334 



canad nsis, 28, 334 



Cucullaria, 28, 334 

 Bidens, 627 



aristosa, 629 



Beckii, 7, 20, 629 



bidentoides, 17, 628 



bipinnata, 629 



cernua, 628 



comosa, 628 



connata, 628 



discoidea, 628 



frondosa, 628 



involucrata, 629 



laevis, 628 



Bidens ieucantha, 629 



trichosperma, 629 

 tenuiloba, 629 



tripartita, 629 



vulgata, 628 

 Bignonia, 566 



radicans, 17, 566 

 Bignoniaceae, 566 

 Blephariglottis, 250 



Blephariglottis, 4, 251 



ciliaris, 251 



cristata, 4, 15, 250 



grandiflora, 251 



lacera, 21, 251 



peramoena, 21, 252 



psycodes, 252 

 Blephilia, 538 



ciliata, 538 



hirsuta, 7, 538 

 Blitum, 298 



capitatum, 298 

 Boehmeria, 283 



cylindrica, 284 



Drummondiana, 15, 

 284 



scabra, 284 

 Boltonia, 604 



asteroides, 604 

 Boraginaceae, 520 

 Borago, 524 



officinalis, 524 

 Botrychium, 47 



dissectum, 48 



lanceolatum, 18, 48 



Lunaria, 49 



neglectum, 48 



obliquum, 48 



silaifolium, 5, 18, 49 



simplex, 28, 48 



tenebrosum, 28, 48 



virginianum, 21, 49 

 Brachyelytrum, 124 



erectum, 124 

 Bradburya, 412 



virginiana, 16, 412 

 Brasenia, 315 



purpurea, 315 



Schreberi, 315 

 Brassica, 340 



arvensis, 339 



campestris, 340 



Brassica japonica, 340 



juncea, 340 



monensis, 340 



napus, 340 



nigra, 340 



oleracea, 340 



Rapa, 340 

 Briza, 139 



media, 139 



minor, 139 

 Bromus, 145 



altissimus, 148 



arvensis, 147 



asper, 146 



breviaristatus, 148 



brizaeformis, 148 



ciliatus, 146 



erectus, 148 



hordeaeeus, 147 



inermis, 148 



Kalmii, 18, 147 



maximus, 148 



purgans, 23, 27, 147 



racemosus, 147 



rubens, 148 



secalinus, 147 



squarrosus, 147 



sterilis, 146 



tectorum, 146 

 Broussonetia, 282 

 Buchncra, 560 



americana, 560 

 Bunias orientalis, 349 

 Bupburum, 477 



rotundifolium, 477 

 Bursa, 345 



Bursa-pastoris, 345 



Cactaceae, 459 



Caesalpiniaceae, 394 



Cakile, 339 



edentula, 339 

 maritima, 339 



Calamagrostis, 130 



canadensis, 21, 1 30 

 cinnoides, 130 

 hyperborea, 130 

 inexpansa, 130 

 Langsdorfii, 130 

 Nuttalliana, 130 

 Pickeringii, 130 



