418 INDEX. 
Page. Page. 
Pedicularis densiflora ....000.2.00..0.020.2-- B88 Peucedanum newberry’ Watson .......... 00 184 
Pennyroyal. 2.2.2.2 2 2.000000 ce ee oad nudicaile Nutt. ... 0... c eee eee 220, 238 
Pepper vine 2.2.2... . ee eee 3A7 ellipticwm Torr, & Gray .o000 200.2. 217 
Peppernut tree... 222... ee ee 390) nuttalli Watson oo... 20 e eee eee 238 
Peppernuts 2.2... 2.20.22. eee 360 oreganum OC. & Reo. eee ee eee eee eens 224 
Pepperwood . 2.2.22. 0 22.0000 eee cee eee 390 parishtiC. & Reece eee eee 235 
Petasites palmata........0000000000 0000020202 395 parryl Watson ......000000. 0022. 246 
SS) 296 parvifolium Torr, & Gray .. 02.202... . 241 
Petroselinum Hoffm.....20..00.....2....... 253 plummerae C. & Roo .e oe ee 232 
petroselinum Karsten ...00.0....00..... 28 pringlel OC, & Revco ccc eee eee eee 218 
Peucedanum L.......2022000.0.2222....--2-. 204 rigidum Wood 2.0.20... .0.2..2. 0-2 ee 194 
cmbiqua Nutt......... 00. 2.022000000 0002. 212 robust JOpSOM . 0.0... c cece ce cee eee ee 238 
leptocarpum C.& Ro... eee 215 sadnioniflorum C. & Roo... c cece eee 201 
argense Jones ....... ccc cece cece aes 23: sundbergii C, & Row cece cece eee eee 230 
austinae C, & Reo... ee eee 236 sCoprlorum JONOS 0.0.02. ceeee cece ee cee 246 
bicolor Watson. ........00.0 000000222 eee 237 | slinplew Nutt ......2 0202 cece ccc eee eee 226 
brandegei C. & Ree... eee ee 26 suksdorfli Watson ...........0..0.22- 02 ee 239 
ealifornicum C. & Ro... o eee eee 241 fen utsstMUi GOY. o.oo e cece cece eee cee ee 240 
eanbyt C. & Reece cee ee ee 210 teretifolium WoO 2.00... c ccc ee ee ee 193 
cariifolium Torr, & Gray. .... ee... eee 216 fernatum Nutt... 02.0.0 cee eee eee eee 194 
cireumdatum Watson ........2....0022.. 213 tomentosum Benth ........2...ccceeeee ee 219 
confusum Piper... 2... keene 208 forreyi CO, & Reece cece eee cece eee ee 229 
cous Watson .... 0202.0 eee eee 214 triternmatum Nutt 2.0... 00000 020. e eee eee 227 
cusickii Watson. ........0.00020.02200-0. 226 elatum TV. & Geo. 228 
dasycarpum Torr, & Gray...... 2.0.00... 218 brevifolium ©. & Roo... Lecce ee 232 
daucifolium Nutt....0..000000. 0002020222. 221 leptocarpum C. & Rew... 2.222... 213 
donnelii C. & Re... eee eee 231 leptophyllum Hook 22... ..0.22..2--. 240 
erosum JepSon ............022-.2-02000. -. 216 mecrocarpum C, & Ree... cece eee 228 
euryearpum C.& Re... 6.0 eee 217 platycarpum Torr... 22.2... ec c eee ee 226 
euryptera Gray... eee 241 robustius C,& Roo... cece eee eee 228 
evittatum C. & Roo... eee eee 209 | utriculatum Nutt ........02.2.0022.00--. 215 
farinosum Hook ..............22.22..... 210 | waseyl C&R 22.0 eee eee cence 216 
foeniculaceum Nutt .....0...00..222..22. 209 | villosum Nutt 2.2.0.0. 000.2.20-00.2.----- 221 
foeniculaceum of authors... .00...2...... 221 | watsont C. & Roo... e eee cece cece 211 
daucifolium Torr. & Gray.......2... 221 Phellopterus Benth.........22...0.2222--0.-4 165 
 geyeri Watson oo... cece eee eee 209 | Phellopterus Nutt ..................-..2.... 166 
gormani Howell .........2.2.02.0000.022. 208 littoralis Schmidt .......0...... 000022006 165 
graveolens Watson .. 2.2.22... 000.0222 e 245 bulbosus C. & Ro... 2... eee eee 168 
alpinum Watson ...........00000.004 245 glaucus Nutt. . 22... eee eee ee 176 
grayl O. & Reece eee eee 229 macrorhizus C, & R ...... 0.222.222 eee 167 
hallit Watson 2.0... 2. eee cece ee eee 224 | montanus Nutt......2...........0.0000- 167 
hassel CL & Reve eee 242 multinervatus C.& Reo... 2222222. 169 
hendersonii C. & Reve. cece cece cece cee 209 purpurascens C.& R22... 2.22 168 
howetli Watson.......22.000002. cece eee 243 eastwoodae C.& R. 2.2.2... 169 
insulare Fastwood ...........22.0202020. 243° - Philadelphus gordonianus................. 352 
jaredi Eastwood. ....... 2... 02.2..2020.. 240) Phlox family..........0000.0.022.2..02-.--.. 381 
juniperinum JONES. 2.0.0.2... 0000 e cee eee 235  Phoradendron flavescens................... 344 
kingii Watson... 2.0.0.0 0000-00000 cee eee A) Pigeon bark .........0...000020 00222 eee eee 368 
alpinum C. & Rev... eee. eee 245 | DeITY 22.2... e ee ee cee cece eee eee 368 
laevigatum Nutt ......0.0.000000.020.2.2. 225 Pigweed... 2.2.22. eee ee 346 
lapidosum Jones ...... 200.202.0222 eee Ih Pimpinella L...... 2.2.2... 254 
latifolium Nutt .......000000 0022.2. 238 anisum Gray .....2....222.2.0022222 eee 254 
leiocarpum Nutt 2.222.000 0000000200 238 plodora Gray oo. 02.2. ccc cece eee eee 132 
lemmont C. & Ree... eee eee 231 | dntegervima Gray... 2.0 eee eee 109 
leptocarpum Nutt ......000000.0200.0..-. 213 parishli CL & Roo... eons ee 111 
macrocarpum Nutt... 00000002 eee 217 saxifraga Lee... eel. 204 
euryearpum GTAY 2.0.02. 6 occ eee ZIV Pinaceae 2... eee eee 506 
marginatum Benth. ........0.0..0.0.000- 223) Pime, DUI eee eee eee eee. 807 
martindalei C. & R DoF digger 2.200.000 eee 307, 345 
angustatum C. & Reo. eee 225 family 2. eee ee 306 
megarrhiza A, Nelson ....0...00.2..2.2.2-. 25 MUt eee ee cee 307 
microcarpum Howell ..........2....2--. 230 NUES | eee 307, 308 
millefalium Watson ....00....0202002225- 229 OVTOPON 2. cee eee cece ee eee 309 
mohavense C, & Roo. cee eee 234 SaDine. eee eee eee 3807 
nevadense Watson. .....0000...0 02-2 ee ee 220 SURAM cece eee eee 3806, 
, cupulatum JONES... ee ee eee 22] YOHOW 0 ee eee e eee e eee eee 307, 368 
