INDEX OF THE GENERA AND SPECIES 



631 



tenuis 



20 SIDA 



397 



insanum 



137 



t rich ode 8 



— 



Abutilon 



— 



Lycopcrsicum 



— 



lriqucter 



593 



spinosa 



— 



nigrum 



136 



valid us 



21! 



3ILENE 



272 



tuberosum 



— 



SCLERIA 



25 



antirrhina 



273 



SOLIDAGO 



454 



ciliata ? 



26 



noctiflora 



598 



altissima 



453 



pauciflora 



— ' 



stellata 



272 



arguta 



458 



triglomerata 



25! 



3INAPIS 



390 



axillaris 



461 



SCROPHULARIA 



370 



alba 



— 



bicolor 



458 



marilandica 



— 



nigra 



^r. mm 



cassia 



460 



nodosa 



— 



SISOJV 



186 



canadensis 



455 



SCUTELLARIA 



352 1 



aureus 



■ , 



ciliaris 



— 



ambigua 



3^3 



c ana dense 



189 



erecta 



458 



caroliniuna 



— 



integerrimus 



187 



flexicaulis 



460 



galericulata 



603 



marginatum 



195 



gigantea 



455 



gracilis 



354 



tr'tfoliatum ? 



186 



graminifolia 



461 



hyssopifolia 



353 



SISYMBRIUM 



386 



integri folia ? 



459 



intcgrifolia 



— 



arabidoides 



387 



lanceolata 



461 



lateriflora 



354 



canescens 1 



386 



1 at if oh a 



460 



nervosa 



— 



officinale 



- , 



ncmoralis 



456 



ovalifoi.a 



853 



Sophia ? 



387 



odora 



457 



parvijlora ? 



351 



Thalianum 



388 



patula 



— , 



parvula 



353 



SISYRINCHIUM 



[ 12 



peliolari8 



459 



pilosa 



352 



anceps 



13 



pubcrula 



— 



SEC ALE 



82 



Bermudiana 



— 



pyramidata 



455 



cereale 



— 



mucronatum 



12 



rugosa 



456 



6EDUM 



282 



8IUM 



190 



sc ultra 



457 



p or t ulac o ides 



— ■ 



latifolium 



— 



8emperviren8 ? 



459 



ternatum 



— 



long if o Hum 



195 



serotina ? 



455 



SENECIO 



493 



rigidius 



— 



speciosa 



459 



aureus 



— 



r'igidum 



— 



squarrosa 



_ 



Balsamits 



497 



tricuspidutum? 



— 



ulmifolia 



457 



Cymbal aria ? 



496 



SMILACINA 



221 



SONCHUS 



445 



hieracifolius 



498 



bifolia 







acuminatus 



446 



obovatus 



497 



canadensis 



— — 



floridanus 



445 



SERICOCARPUSHO 



raccmosa 



222 



oleraceus 



^_ 



conyzoides 



— 



stellata 



221 



spinulosus 



,, 



solidagincus 



... 



SMILAX 



505 



SORGHUM 



90 



SERPICULA 



570 



caduca 



566 



saccharatum 





canadensis 





herbacea 



— 



8PARGANIUM 



520 



occidentalis 





pedunculitis ? 



-^ 



americanum 



Mb 



ver tic ill at a 





rotund ifolia 



-— 



simplex 



T 



6ERRATULA 



439 



SMYRJWUM 



186 



SPARTLVA 



60 



arcensis 





aureum 



— 



cynosuroides 



•— 



SETARIA 



50 



Barbinode 



192 



poly st achy a 



— 



germanica 



51 



cor datum 



196 



SPERGULAS- 





glauca 





integer rimum 



187 



TRUM 



2-75 



verticillata 



— 



trifoliatum 



18> 



gramineum 







vt rid is 



5C 



80LANUM 



185 



lanceolatum 







MCYOS 



554 



carolinense 



138 



SPERMACOCE 



104 



angulatus 





Dulcamara 



135 



diodina 



— 



