—49 
INDEX 769 
Baptisia VENT..........000006 310 Betula canadensis Loup...... 189 
Baptisia alba Hooxk........... 310 —-grandis SCHRAD 
Baptisia leucantha T. and G... 310 ——wzrayi REGEL............ 
——leucophaea NUTT........ 310 ——incana LINN............ 
—tinctoria (LINN.)......... 311 ——lanulosa MicHx 
Burbarea R. BR...... 2.0000. 258 ——latifolia TauscH 
——barburea (LINN.) var Betula nigra LINN ......-.2006 
stricta (ANDkZ )....... 259 Betula papyracea AIT......... 
Barbarea praecox RICH....... 259 Betula papylifera MARSH...... 189 
— stricta ANDRZ.......... 259 ——pumila LINN..........65 188 
-——vulgaris var. stricta Rr- Betula rubra Micyx. f,....... 189 
GIB Gsaenidse aoa acaiesane 259 Betulaceae.................. 196 
Rarkhausenia HOPPE......... 567 Betulaster SPACH............. 188 
Barkhausia MOENCGH......... 567 Bicchia PARLAT..............« 165 
arlaea REICH, f............. 165 Bidens BILu.................5 544 
Barlia PARLAT............... 164 Bidens LINN.................. 545 
Barneoudia GAY.............. 235 —beckiti TORR............. 545 
Bartsia acuminata PursH.... 470 —cernua LINN.......-..0., 546 
— coccinea LINN.......... 471 Bidens cernua var. elata T and 
Barysoma BuNGE............. BEG | Grae etna escbee dancsegal s . 546 
khatodendron NUTT. .¢........ 409 —chrysanthemoides | 
Batrachium SPACH........... 241 MICE oe cscinersices-aneaie 545 
Batschia GMEL..... .......... 437 Bidens connata MUHL......... 546 
—canescens MIcHx....... 438 Bidens connata var. comosa 
—carvulinensis GMEL...... 438 : RA Vee vow-aeg ah ieanienrs 546 
—-caroliniana R and 8.... 488 Bidens frondosa LINN......... 545 
—decumbens NUTT....... 437 Bidens helianthoides HBK... 545 
—gmelini MICHX......... 488 Bidens laevis (LINN.).........- 545 
—longiflora PursH........ 488 Bidens petiolata Nurr ...... 546 
Batschia MOENCH............ 501 ——quadriaristata DC...... 545 
Baumannia SPACH............ 380 —quadriaristata var. den- 
— douglasiana SPACH..... 381 tata NUTT............ 546 
—nouttalliana Spacn...... 381 ——tripartita BI@EL........ 546 
Baumea GAUDICH............ 103. ~Bifolium GAERTN............ 152 
B alia SCRIBN ... .........4.. 58 Bikukulla ADANS............. 253 
Beckmannia HOST...........-. 72 Bilabreila LINDL............. 165 
—erucaeformis (LINN.)..... 72  Bilderdykia Dum............. 204 
Beckmannia erucaeformis var. Billardiera MoENCH......... 442 
uniflora SCRIBN......... Billotia Scn.-BIp............. 567 
—erucoides BEAUV. .. Biophytum DC............... 334 
Bedfordia DC..... ha tenvla’e's Bivtia DC......... wee. BIB 
Belharnosia SARRAC.......... —corymbosa DC.......... 524 
Belioukandas CELT........... —glomerata DC........ ... 524 
Bellidiastrum MICHEL........ ——latifolia DC............. 524 
Belloa REMY ..... cc. ee ecee ee ——macrophylla DC........ 524 
Bellucia ADANS............00- ——schroeberi DC........... 524 
Bennettiaceae ENDL.......... Bipontinia ALEF ........... 330 
Beuthamia A. RICH........... 165 Blackburnia Forst........... 337 
“Benthamia LINDL ........... 399 Blennoderma SPACH.......... 381 
Beutbamidia SPACH.......... 399 Blepharochloa ENDL.......... 53 
Berberidaceae ............. 250 Blepharolepis NEKS........... 96 
Berenice SALISH.............- 147. ~Blitum LINN................. 211 
Bergenia MOENCH............ 274 ——capitatum LINN........ 212 
——= NECKS tiseesdsennsiss anes 374 —nmaritimum Nutt...... 211 
——polymorphum ©. A.MEY 21k 
— rubrum REICH.......... 211 
—virgatum var.capitatum 
Berna:'dina BANDO............ 412 COSS.. caster ie sisds isisere 
Berula KOcH..........-se000- 396 - 
— angustifolia Kocw...... 396 
Bethencourtia CHOIS.. ....., 553 
Betonica LINN...........0000. 445 Blysmus PANZ........... se eee 97 
Betulit LINN: 02: cases ceo sae 188 Rlyttia FRIES................ 64 
Betula angulata Lodd........ 189 —suavevolens FRIES....... 64 
