INDEX. 807 
Poa fertilis Tlusr.............- iS Pollalesta HBK............... 499 
—firmula GAUD........... 78 Polyacanthus PRESL.......... 348 
—fluitams KoEL........... 80 Polyactidium Less........... 525 
— glauca BAST............. 78 Polyactis Less ............... 525 
—-glaucantha GAUD....... 7 Polyantherix NEES........... 87 
—gracilescensSCHRAD.... 78 — hystrix NEES........... 88 
—hirsuta AUCT........... 74 Polycyrtus SCHLECHT......... 390 
— hydrophila PERS........ 78 Polydora FENzL..... ee 499 
—hypnoides LAM.......... 75 Polygata LINN............5066 338 
—juncea SUT.............. 78 —$<CHUCLULO denn cen Sean ants ioe 340 
— lineata PERS............ 81 Polygala cuspidata Hook.... 340 
—megastachya KorEL..... 75 Polygala paucifolia WILLD..... 339 
—multiflora Forsk ....... 75  Polygala purpurea AI’. f..... 329 
—-muralis W1ipB........... 79 —purpurea NUTT. ....... 340 
Poa nemoralis LINN........... 78 —sanguinea LINN......... 340 
Poa nemoralis PURSH......... 79 Polygala seneya LINN.......... 339 
—nervata WILLD.... .... Sl —-seneya var. lutifolia 'T 
—nutans GILIB........... 78 ANC Gace o s4ebca0de 339 
— nutans LINK............ 838° Polygala uniflora MICHX...... 339 
——oblonga BMG............ 75 Polygala verticillata LINN..... 339 
——palustris DC............ 78 —viridescens LINN......... 340 
Poa palustris LINN.........-.. 78 Polygalaceae................ 338 
Poa parviflora PURSH......... Sl Polygonmaceae............... 202 
—pectinacea AUOT........ 74. Polygonastrum MOENCH...... 152 
——pectinacea MICHX....... 74 Polygonatam ADANS........... 154 
— planiculmis, Pr......... 79 Polygonatum  angustifolium 
—polynoda PARN......... 79 PURSE sia scieeccna vate 155 
—pyramidata LAM........ 77 Polygonatum biflorum (WALT.). 155 
—reptans MICHX......... 75 Polyygonatum canaliculatum 
—riparia WOLF. .... .... 78 PURSHass sexveusass 154, 155° 
—serotina Enra........ .. 8 Polygouatum commutatum 
—spectabilis PuRsH..... 74 (SCHUTT) ice iseconsiaen 155 
—striata MIcnox........... 81 Polygonatum giganteum 
——subcompressa PARN..... 719 TOUTS a sere ad ase air ace 154 
—tenella PURSH........... 74 —-—hirtum PursH.......... 155 
—triflora GILiB........... 78 ——latifolium PursaH....... 135 
Pocophorum NECK saeeedar “B46 ——multiflorum PursH..... 155 
Podalyria alba Sims..... Seema: olO! ——pubescens PuURSH....... 155 
——bracteata MURL........ 310 Polygonella articulata MEISN. 209 
—tinctoria LAM........... 311 Polygonum LINN.............. 204 
Podolotus ROYLE............. 323 ——acre HBK............ .. 205 
Podophyllum LINN...........- 250 —camphibium LINN........ 206 
Podophyllum callicarpum Rar 250 Polygonum amphibium var. 
—montanum RaFf.,....... 250 aquaticum WILLD.... 206 
Podophyllum peltatum LINN... 250 —amphibium emersum 
Podosaemum DESVX.......... 58 MICH sianccte tessa ox 206 
Podostigma ELL........... .. 423 ——emphibium var.(?) muhl- 
POON DU SSisc oe cccisaeine ss vem 169 - enbergii MBEISSN...... 206 
—ophioglossoides (LINN.)... 169 ——amphibium var. terres- 
Pogonostigma Boiss...... Binswee BOE tre WILLD. .......... 206 
Pogonostylis BERTOL......... 103 Polygonum arifolium LINN. ... 210 
Pohlana NEEs and MART..... 337 —arliculatum LINN........ 209 
Poidium NEES.. ............. 78 —— aviculare LINN.......... 209 
Poikadenia ELL............... 330 Polygonum aviculare var. erec- 
Poinsettia GRAH.............- 341 CUM GRAY sso seveecans 208 
Polanisia RAP: i005 saeswesates 270 —bicorne RaAF............ 207 
——dodecandra BSP......... 270 —bistorta WALT.......... 206 
—graveoleus RA¥......... 270 —centinodium Lam....... 209 
Polemoniaceae ............. 431 Polygonum cilinode MICHX..... 210 
Polemoniwm LINN ......- 2.565 433 Polygonum coccineum MuHL 206 
Polemonium nyctalea LINN... 434 —terrestre.. ......-..2... 206 
Polemonium reptans LINN..... 433 —dumetorum var. scan- 
Poliodendron NOE.... ...... 455 densGRAY.. ........ 210 
Polium MOENCH.............¢ 455 Polygonum emersum (MICHX.). 206 
