laevigatus......... 305 
fMBIOEUS, 2... 5. . 305 
PEPPER FAMILY.. hy PA 
Leas Se 133 
Peppergrass, Wild... .125 
Peppernnnt.-... 2... 291 
Perilla frutescens.... .292 
Petalostemum candidum 
.167 
foliosum . ee ae 167 
purpuTeumM........ 166 
Phacelia bipinnatifida.258 
dic a een 258 
Loose-flowered.... .258 
Pirate Soi es 3. ss 258 
J 2553) TS oe 258 
Small-flowered.....258 
Phaseolus polystachyus 
, Ss 
Phlox, lees es 253 
divaricata 2S. eee 253 
ee cet iee 252 
maculata. . .253 
pilosa. e252 
PEAIIe yee sie sc: 252 
WRMIGOLDS uc ts 252 
PHRYMACEAE..... 317 
Physalis heterophylla. he 
janeeolatase |... ks 296 
Physostegia denticulata 
VWiTepiniana=.)..,i. ...- 281 
Phytolacca americana. 80 
PHYTOLACCACEAE. 80 
PICKERELWEED...... 46 
RAMI 5 .. 46 
Narrow-leaved..... 46 
Pie Marker.. oe 195 
[EdD PC ee A SIZ) 
Pigeon Berry........ 80 
PINK FAMILY........ 82 
LEDrve Gs s\n 86 
PASSE oc Scie 70 
linens eS . 234 
WitiWeiae te oro sk. x. 84 
Old-maid’s, .-. 2... 88 
ROSE oe eee hc 235 
Wild Bean........ 174 
PIPERACEAE....... 72 
Pipevine, Woolly.... 77 
PITCHER PLANT...... 137 
EARS) 2. Se 137 
Pitchforks, Devil’s. ..372 
Plant, Beefsteak..... 292 
ORAPARS IS. sss x. 359 
Corisen enh eS: DIT 
poy evsun: Aue = Sie aye eee 360 
(thate: ¢ ee Pe 345 
Weead a Ree. Sa 165 
(OMS for: Oot eee 385 
Piteners ere Ga... 137 
Wild Sensitive. .... 159 
Robin’ eS prey artes Fe "354 
Tuberous Indian. . .380 
255 oi aR) Spe ono | ae 47) 
Whe pers et hd 356 
Plantain-leaved Ever- 
lasting. 2/562 356 
Pieurisy Root... 243 
INDEX 
Plum, Ground....... 169 
foal Gig Tse aA aT 170 
Poison Dogwood..... 185 
WY. LDS Gee 185 
Oak. 5x24 185 
Suniach.-..oe Ee 185 
Poke, Common...... 80 
Milkweed......... 246 
Pokeberry:s sence eo 
POKEWEED;~ =... 215 3 80 
PAMILY 2 22 eee 80 
Polanisia graveolens. .136 
trachysperma......136 
POLEMONIACEAE.. 252 
POLEMONIUM FAMILY. 252 
TreptanS ees aes: 254 
Polygala sanguinea. ..180 
Senegal cee ae BO 
POLYGALACEAE. ;.180 
POLYGONACEAE... 78 
Polygonatum biflorum 59 
commutatum...... 59 
Polygonum Convolvulus 
Muhlenbergii...... 79 
Boandens. ys 79 
virginianum....... 78 
Polymnia canadensis. oa 
tivedalia. 2 Mss 5c 
Pond Lily, Yellow.... oi 
Pontederia cordata... 46 
angustifolia...... 46 
PONTEDERIACEAE. 46 
Poppy, Celandine....120 
AMIE. =cloteonres 119 
Mallow. = 194 
Portulaca oleracea... 90 
PORTULACACEAE.. 89 
Potentilla Anserina...152 
ALOU ba ers SS te gerereions 152 
CAnAGEeNSIS.. sie st460 152 
£rztICOSA:... ae o bi c% 151 
monspeliensis...... 152 
PECAN range tae ae 151 
Paley ao eee ee 152 
Prairie Anemone..... 105 
Blazing Star.......344 
Glovers Weaty. .. 167 
Barpiev eee oe 166 
1 \" 5.0 7: eae a Dr 167 
Coneflower........ 363 
Poekey went: ae 361 
Gentian sO L Od, 
Ground Cherry. . .296 
Milkweed......... 245 
Onion>" seers 51 
Phigx + ise" % Tae. 252 
ROGGE 7 Be re te 156 
Sunflower.......:. 368 
sRalinumin. Vets eo 90 
ANekseeds rye ere 371 
Prenanthes alba..... 391 
TFACEIMDOSAIS tee ec OOr 
tritoliata ss - 3 2 391 
Prickly Ash, Northern 
et eee Rie: 178 
Gooseberry........ 143 
MPEEEGCE Oh eee 389 
Pears face eee 204 
Sida, . pie ae 194 
PRIMROSE, Common 
Evening Ae: i) 
IR AMIEY 5) thee 230 
Northern Evening. .210 
PRIMULACEAE..... 230 
Prunella vulgaris... .280 
Psoralea, Few-flowered 
fit gt Se 164 
Onobrychis........164 
tenuiflora’). se 164 
Ptelea trifoliata..... 179 
mbllish Aes ae 179 
Puccoon, Gmelin’s. . .265 
Hairy.) 3 ee 265 
Hoary:: eee 265 
Narrow-leaved... ..264 
PULSE FAMILY....... 157 
Purple Bergamot... .285 
Coneflower........ 366 
Narrow-leaved. ..366 
Paley ors aoe ee 366 
Cudweed.22.925 47357 
Everlasting 240 ee 357 
Fringed Orchis..... 69 
Gerardia.......... 312 
Giant Hyssop...... 277 
Jimson Weed...... 298 
Milkweed......... 244 
Milkworts +. 4. 180 
Prairie Clover..... 166 
Rocket: es nee 132 
Spring Cress...... 134 
‘BrilliimsA. nea 60 
Vetch. . Bilis 
Purple-head | ‘Sneezeweed 
74 
Jc ahaa eee 392 
Purple-stemmed Angelica 
CG PR ee 223 
Pursh’s Phacelia..... 258 
PURSLANE, Common.. 90 
PAMISGY 222.5 0.c8. eae 89 
Speedwell......... 310 
Witter. =-:.25) eee 208 
Passley .:. 3.332 ee 90 
Pussytoe€s 4a ote 356 
Puttyroot. 2< ) eee 71 
Pycnanthemum flexuosum 
wipe cee a ee RO 
virginianum....... 289 
Pyrus angustifolia... .147 
coronaria =. ....:.. 147 
10CNSIS?:...2 aoe 147 
Q 
Quamashe nS coca 56 
Queen Anne’s Lace...224 
of the Meadow... .146 
Quinine, Wild....... 361 
R 
Radicula Nasturtium- 
aquaticum....130 
Palustrise * 1. cate: 130 
Ragged Green Orchis. 70 
RROD: {hes eee 84 
