182 
INDEX TO THE SPECIES. 
Polygonum— 
PAGE. 
ROMO TIM weave slelctettin sievaisis cisieinie tive Scie’ nielb.¢ nelareracy 44 
HEN GIELINCAININTE crseteei teen dene Gas unseen ae aaie 124 
FERC aoa erannis roisiciaeiecin cia tinier miele wersteisicrestenete 110 
ERENT don atiawe cen seilsacnade clue vettadtede Doar lila 
EX PYRG UNMseter cease tase tein cis oe ac eteiarsiare ee maior 112 
PERU GUNISUIMG 5. 29s hjcls iestciniee cetoee cea seven cles 48 
PUM ORME acctenls piccisicincte sels caer eeldeneoncatens 122 
MPUULOM 5 index wee casinoe eC oneeweseadaneeeenss 40 
USIP ORME cveni vat ackeacnanoaserceceestenanen 70 
GERI OULMTUIMN 2 cents cnn c seine aucieeusesiicetan'ss 160 
QLD TUN reser esate ee dec cate deenne seekers 46 
QUAL CUI meses cnateceenoenas Koncmansnaton eres: 100 
GREDNED icc aiceacencs seee sate smesaniemnaehies 144 
CTT LOTIDO GROUT noctoccrapctemee nate acon che: BA GR nrEE 48 
EACH IVE GT eeme nics eainse aaah meee ot 42 
PUURSUDUM, ts maiiernts sascteaicesledsesoeasaraves 82 
hirsutum var. dasyphylluir.....ccccceccee 82 
HIRSUTUM GLABRESCENS ..............00005 82 
IRE ID UMass icles s oes ssa ee sc cahe Si oee 50 
HID RO PUPWR OLDIES | 6.5 oases cece ssc seactiorieac 80 
WOR OPUDENOULCR meter eereeeeaae-e. eseonee ee 88 
HYDROPIPEROIDES MACOUNIL ............ 81 
hydropiperoides vay. strigoswm ............ 81 
hydropiperoides var. virgatum ............ 80 
PMD RORIBMR ceo iehceeies sawn oe ecickchorelcaees 84 
IRAN O PUD ORs. hencuas-acegadecesetateaet ese. 86 
ITATRASOOTTOR Sapo eRe OOO Oa eee eee 138 
UN CATRALL ease oe cists sais tes Nelewiee eck s 56 
OUIELT EOIN Ol ese CO SORTER ORT coc CEA ACRE 54 
DETROIT ILO eb tice GEOR SRD HEBERT eee 132 
PERTAINS) LO TUMU ets Se eines dea acon ches calsuahice co 108 
SMOG CII oraicerettec ete vara een aerves bac 134 
DeAC Seo O TUM ones Uinta eis aees Paka hwtne nec 54 
CODON OULUM svc sies ovens oe agree aes as. 56 
LAPATHIFOLIUM INCANUM ..............005 54 
lapathifolium var. incarnatum ............ 56 
LAPATHIFOLIUM NODOSUM ................- 55 
RT OUR ss oa'es ack ses oie cea nukebeanciea Scene 122 
TADTORA TB scvc tee saphiciea ns Spa avec kc too 102 
Polygonum— 
PAGE. 
LITTORAL SITCHENGE +. s0e4cuneseme eee 102 
LONGISTSLUM Gaycxsccotteousee ere eee 62 
TE RAOUUCLOIIUT snc ease eh es eee 72 
MOT UVUMN:. sac onan Soascagesate eee cane MERE eee eee 100 
MARITIMUM ..5:: sts1sjsis'ssccls ales seeing oe eet mepanine 100 
MOIMLUNVUIMN a:s.0.« dsaiaetestine Selves ae eam nentaea amen te 88 
MEISNERIANUM BEYRICHIANUM......... 160 
MEXIGANUM % <ncesndapscsteee eee seaecena cee 60 
MUUCT OSD CTINVUNY secrete selaaenineeas aaa ata a aoeee 124 
MINIMUM .iccccuSesstcnees cataceoesscrttenstice 128 
MINUS ccs aces cactesesstamectcsneaaempeanecies 86 
PTUUEE. ers'scw op ke Rae ROC Te oe aoe 80 
Muhlenbergit cgoueb revere nee cee are eee 44 
MULE G ULOIE wre ae cea esate ete seta eiate ea ee 160 
TULL OU 2 Sao acs er Race CE meen ween eae 92 
NEWBERRY, cccscscseadetes-adeeaeeteeee te 36 
MO DOSUNY: dc .27 can eaee ere voces ennui beeen ere 55 
nodosum Var. INCATNALUM .... 22... 2.00.0 00 56 
NOP DA TGIE 25 see sccec seaeweseacen see om sie 132 
OPELOUSANUM: 5s ceSeecsebes «nteteetee ness 78 
ORTHNTADE 48. hacmandenar ces acct asecetelencce 90 
PARON VODA: $5, <sancctesisiee sits tlemacnncieme stelle 94 
PARR VU 4egeces cane debe onesie tees 146 
PENNS YLVANLOUM wanes Nersdeerieestm cece: 64 
Pennsyaneeunis) asec seenc sacs sessies 54, 60 
Pennsylvanicum var. densiflorum ......... 46 
PERSIOARTA: si Seececcecseek eeece cesses eae 66 
Persicaria var. vernicosum. ......0..00e00e 66 
Persicaria var. vulgare ...............000++ 66 
PERSIOARIOIDES | paseo ser aces eee eee eas 68 
PHY TOLA CGA HROIMUM a. sacecees acerceeac ee 34 
POLYGALOLDES .pwassaececceeeacen stheaSe esses 136 
polymorphuUm << .c.cvosccscsoneissss¥eeyees ss 31 
polymorphum var. alpinum .........+0000+ 32 
polymorphum var. folioswm .........0.000+- 32 
polymorphum var. lapathifolium .......... 33 
PORTORIGENAE yo <0s eetee eee eee eee wees 46 
PRINGUE foi sstec aateee ene vgoeusueane eo 08 
PUNCTATUM ....... smabenenei Leave paneatenes 88 
