

INDEX. 



677 



Batschia, 



332 



' Borreria, 



175 



Batatas, 



341 



Borrichia, 



224 



Bayberry, 



420 



Botrychinm, 



599 



Beak-Rash, 



523 



Boykinia, 



153 



Bean-Caper Family, 



63 



Brachychata, 



213 



Beard-grass, 



552 



Brachyelytrum, 



553 



Bear-grass, 



483 



Brake* 



589 



Beech, 



424 



Bramble, 



124 



Beech-drops, 



286 



Brasenia, 



19 



B sgar-ticks, 



236 



Brasiletto Family, 



114 



B jaria, 



266 



Brier. 



124 



Bcllflower, 



256 



Br.ckellia, 



193 



Ballwort, 



486 



Brtza, 



563 



Bellwort Family, 



486 



B:\zopyrum, 



562 



Bent-grass, 



551 



Brome-grass, 



556 



Benzoin, 



394 



BROMELIACEiE, 



470 



BERBERIDACE.E, 



16 



Broom-Corn, 



583 



Berberis, 



17 



Broom-grass, 



580 



Berchemia, 



73 



Broom-rape Family, 



286 



Berlandiera, 



221 



Broussonetia, 



415 



Bermuda grass, 



557 



Brunei la, 



322 



Betula, 



428 



Brunnichia, 



392 



BKTULACE.E, 



428 



Brlxnichie.e, 



384 



Bidens, 



236 



Bryonia, 



148 



Bigelovia, 



215 



Buehnera, 



296 



Bignonia, 



285 



Buckeye, 



79 



nia, 



285 



Buekleya, 



397 



Bl(xN()NIACE.E, 



284 



Buckthorn, 



J3 



BlGNOKIEJB, 



284 



Buckthorn Family, 



72 



Bignonia Family, 



284 



Buckwheat Family, 



384 



Biotia, 



198 



B no bane, 



11 



Birch, 



428 



Bullace, 



71 



Birch Family, 



428 



Bumelia, 



274 



Birthwort, 



371 



Biipldlialmum, 



224 



Birthwort Family, 



371 



Buplcurum, 



162 



Black-Jack, 



421 



Burdock, 



248 



Black Snakeroot, 



11 



Burmannia, 



451 



Bladder-Nut, 



77 



Bl'RMANXIACE.E, 



451 



Bladder-Nut Family, 



77 



Burmannia Family, 



451 



Bladderwort, 



282! 



Burr-reed, 



443 



Bladderwort Family, 



282 



Burse ra, 



68 



BL» 1IVE.E, 



586 



BURSERACE^E, 



67 



Blechnum, 



591 



Bush-Clover, 



100 



Blephilia, 



321 



Butter-Cup, 



7 



Bletia, 



456 1 



Butter-nut. 



419 



Blood-root, 



22 



Butter-weed, 



245 



Bloodwort Family, 



469 ' 



Butterwort, 



283 



Blueberry, 



259' 



Bntton-bnsh, 



176 



Bine Cohosh, 



17 



Button-Snakeroot, 



159, 190 



Biue Curls, 



327 



Byrsonima, 



82 



Blue-eyed gr 



473 



BY TTXERIACE^E, 



58 



Blue Flag, 



472 



Byttneria Family, 



58 



Bluets, 



180 







Boehmeria, 



414 



( laboraha, 



19 



Boerhaavia, 



373 



CABOMBACEJB, 



18 



Boltonia, 



207 



( iacalia, 



244 



Bonn 



20 



CM TACK.K. 



144 



_ Family, 



328, 



( betas Family, 



144 



Borkhausia, 



252 



PIH ILL, 



88 



BORRAGINAGKS, 



328| 



Cakile, 



30 



BORRAOI. 1. 



32€ 



Calamagrostis, 



553 



