536 



INDEX. 



Page. 



Batscbia ii. 86 



canescens 86 



Bayberry _ ii. 197 



Beach Pea i. 157 



Beach Plum i. 194 



Beak-rush... ii. 363 



Bean Tribe... i. 153 



Bear Grape i. 430 



Bearberry i. 430 



Beard-grass ii. 477 



Beaver-wood ii. 167 



Bedstraw i. 309 



Beech-drops ii. 24 



Beggar-ticks i. 387 



Bell-flower i. 426 



Bell-flower Tribe i. 426 



Bell-wort ii. 319 



Bent-grass ii. 441 



Benzoin ii. 159 



odoriferum 159 



BERBERIDACE^. i. 32 



Berberis -- i. 32 



Berberry i. 32, 33 



Betula ii. 199 



alba... 199 



angulata 201 



carpinifolia 200 



crispa 203 



excelsa . 200 



glandulosa 201 



incana 202, 203 



lacunulosa 201 



lenta 200 



lutea... 200 



Michauxii 201 



nana 201 



nigra 201 



ovata 203 



papyracea 199 



papt/rifera 199 



populifolia 199 



pumiln 201 



rubra 201 



serrulata 202 



viridis 203 



Page. 



Betula- Alnus ii. 202 



rubra 202 



serrulata 202 



crispa 203 



BETULACE.S; ii. 198 



BiDENS i. 386 



Beekii 388 



bipinnata 368 



cernua 387 



chrysanthemoides, 388 



connata 387 



frondosa 386 



petiolata 387 



tripartita 387 



Biennial Wormwood. . i. 393 



Bignonia Catalpa ii. 25 



BIGNONIACEiE.-. ii. 25 



Bilberry i. 443, 445 



Bilsted ii. 217 



Bind weed ii. 96, 1 46 



Bindweed Tribe ii. 96 



Biotia i. 335 



corymbosa 335 



maerophylla 335 



Birch ii. 199 



Birch Tribe ii. 198 



Bird Cherry i. 196 



Birdseye Maple i. 136 



Bird's-nest i 456 



Bird's-nest Tribe i. 456 



Birthwort ii. 130 



Birthwort Tribe ii. 130 



Bishop's-cap i. 256 



Bitter Cress i. 56, 57 



Bitter-root ii. 117 



Bitternut ii. 183 



Bittersweet i. 140; ii. 104 



Bitter-weed. __ i.376 



Black Alder ii. 3 



Black Bilberry i. 446 



Black Cherry i. 196 



Black Gum ii. 161 



Black Haw i. 304 



Blackjack ii. 188 



Black Medick i. 172 



P«g«. 



Black Mustard i. 61 



Black Snakeroot i. 22 



Black Sugar Maple... i. 36 



Black Thorn i. 222 



Blackberry i. 113,215 



Bladder Ketmia i, 115 



Bladder-fern ii. 501 



Bladder-nut i. 139 



Bladder wort ii. 19 



Bladderwort Tribe ii. 18 



Bland's Grape i. 146 



Blechnum ii. 489 



Carolinianum . 489 



Virginieum 489 



Blephilia ii. 60 



hirsuta 60 



Blessed Thistle i. 404 



Elite ii. 136 



Blitum ii. 135 



Bonus-Henricus, 136 



capita turn 136 



maritimum 136 



Blood-root i. 43 



Blue Cohosh i. 33 



BlueCurls... ii. 81 



Blue Flag ii.290 



Blue Huckleberry i. 444 



Blue Thistle ii. 84 



Blue-eyed Grass ii. 291 



Blue-grass ii. 457 



Bluehearts ii. 39 



Blue-weed ii. 84 



Bluebottle i. 404 



Bluets i.3l5 



BffiHMERiA ii. 223 



cylindrica 224 



lateriflora 224 



Boottia sylvestris i. 209 



Boneset i.329 



Borage Tribe ii. 83 



BORAGINACEiE . . ii. 83 



BoTRYCHiuM ii. 506 



dissectum 506 



fumarioides 506 



gracile 506 



