YOO INDEX. 
Page. Page. 
Poison darnel._.....-2.222 202002022 Lee sss Polygonun—Continued. 
elder ..2... 00.002 2222. ee Goe pennsylvanicum...___ 2222.22.22... 183,189 
hemlock .....22...2..-..---2-------- ee 46 polygamuit 0200000020222 ee 48 
IVY 222222 eee eee ee eee 60] portoricense _... ....22 22.22 ee eee ee 125 
oak - 2222222. ee we ence eens 601 punctatum .__. 2.222222 ee 240 
vine .222 22. eee lee .----- 601 sagittatum.... 222222200222 65 
Pokeberry, common .........--.......---. 493 | scandens __. 20... 22. eee 244, 486 
Pokeweed__.....-2.20 2.02.22. eee AB setaceum ...2 22222222. eee 187 
family .........- we oe eee eee ee ee eee 493 | Sp ...----2- we ee eee 187,189 
Polanisia, catalogue 2.2... .2..2-2... 22-2... 520 | Polymnia canadensis radiata ............- 83 
uniglandulosa .....22.---. 2... ee 520 eatalogue —_.. 2.0.22... eee eee 791 
Pole bean .....22... 2-222. 00-2 eee ee 830 uvedalia -... 22. 22222. 02002 eee 65 
Polemoniaceae ........ 2-22-2222 22.2 684 | Polypodiaceae 2.2 2.22.0. - 2222 eee. 311 
Polemonium, catalogue ......22........... 686 | Polypodium __........ 222... --. 2... 41 
AUDIUM «ee ee eee eR catalogue .__.._. coecueseeeee eee. B10 
reptans —. 22. 2022..2..2-02-2..-.--- 2. 93 bulbiferwm ..0 0020022 ee eee eee 318 
rubrun......-...--.--.-.---- eee 686 dilatatwa.— 00. oe eee ee ee eee 317 
Polyactis .....--. 20.22.2022. ee. 235) filiv-foemina .. 22.0.0... ---22. 315 
Polycarpaea, catalogue .....-..-. 2.2 __.- 502 fragile 00.0002 eee eo eee 318 
Polyearpon, catalogue _.__........--...--- 501 hexagonoptertm ...0 2000000000022 eee 316 
Polygala ambigua .... 02.22.2222 eee ee 590 Cn 51,311 
attenuata ...._.......__.. enes*<\!) marginale... 2.202000 02 eee eee ee 317 
cttenwata ....-22- 228 580 noveboracense..... 22.2.2 2.222... 316 
boykinii-... 2222-22) oe 105 ObtUsUM . 222.22 oo eee ee eee 318 
catalogue 2.22222 222.2222. eee 588 polypodioides. -.........2200.22 222252. 51 
chapmani ._....-...---.--- 2. eee 16) vulgare -__ 2222.22.22 eee ee eee 51,73 
corymbosa... ..........-...-.-. ass Polypogon, catalogue _...-...-........-... “60 
eruciata .....------ 88... 120 Polyporaceae -- __-. 2.22. 22... 206, 268 
curtisii.......22-202 222s 65 | Polyporeae -.......2. 222. 02.2000 2.2 22. 206 
family... 222... - 8 eee 58s Polyporus 2.222... 207, 208, 210, 211, 213 
fastigiata — 2.2.22. 2e 590 catalogue _... 222.222 eee ee eee eee 208 
hookeri._..___-.._... .......... cee eee eee 120 flavo-squamosus.....--..-.---- weeee eee 200 
inearnata .. 22222 8. ee 66,88 NIGrOPULrPUTASCENS....- 22.2.2. eee Pan 
lutea .-22 2222. eee 120 perennis._.. 2.222222 02 ee eee 211 
NANG oo. eee ee SRS plebetus 22... -22222022.000 22222 209 
mariana_________--. -.. eee 104 — resinosus......-.--...2.0.22-2 2-2 ee eee 168 
nana.._..- 2-22. 2222-2 eee ee. OBL LT | Polypody -... 222.22. 22.0220 2 222 311 
polygama ................-........ 120 Polypremum, catalogue....-- 222.2222... 669 
pubescens. ..2. 22222. ee ee ee ee 591 Polysaccum, catalogue........ 2.222.222... 234 
purpured...-.-.....--.... eee 590 | Polystichum, catalogue........--.._._.... 317 
SUNQUINCE . 200-222-2222 eee ee 590 | Polystictus, catalogue -.... 222..222....-. 210 
verticillata ambigua....... 22-222 = 26. isy Polytaenia, catalogue........--_ 2.2... 642 
viridescens . 22.22 -22.-..----- eee eee RS nuttalli --.. 22.22 ee 4, 82 
Polygalaceae..........22222222222..2....... 588 | Polythrincium, catalogue. .......... 222... 238 
Poly gonaceae ............-.....------ eee 48] Polytrichaceae _..... 2.222222 2222 2222... 303, 309 
Polygonatum biflorum........-.....22.... 66)  Polytrichum....-22. 22.2222 21 
catalogue __....22.....-.....2-2 2 441 brachyphyllum__..--.. 222222222222 ---- 204 
commutatum ....--.... 2222222222022 8e. it) vapillare -... 222.222.2222 eee ee BOR 
giganteum 2.2.0.2 002222 ee eee ee 442 catalogue 2222.22 eee ee eee eee 308 
Polygonella, catalogue ......-.....-....... 486 | SOPMOSUM . 2.2.2 eee oe ee ee eee ee 303 
eViCOldeS |... eee eee eee eee 487 tenue...-...2.2-2 22-2 ee eee.) 
gracilis -.-.... 2200002222222... ~=6«130 |) Pomegranate ..--. 22... 96,136, 832 
meissneriana.._....._........-. 8. 487) Pond lily .---22. 2222.22 eee eee 504 
parvifolia . 22... 2 eee AB yellow ...2.. 2.220220 o ele eee eee. BOE 
polygama __.... 222... -..-...... 2... 130 | Pond spice..-.... 222.0022... -2e0e----eee. YD 
Polygonum acre.......-...... 2-222. ee eee 405 | Pondweed -......2....0020 0022222022 2222.. BRT 
aviculare erectum.—. 0222222222 eee 483 family . 2.222. 2...22 .22222 eee eee eee B27 
littorale o2..0. 002.2. eee 484 horned _ -..... 222220222. 2 eeee eee eee 329 
eatalogue ...0 2200002 e 2 ee eee eee 483 | Pondweeds -..... 222... 00 0222 eee eee eee eee 49 
densiflorum — 0.02... - 2-2-2 eee 484 | Pontederia, catalogue...........-..... 2... 43] 
dumetorum.... 2.2 ..2.2. 222222222. 486 cordata . 2... 2.2222 eee eee 50, 128 
Jimbriatum. .... 000.00 eee ee 486 | Pontederiaceae ___.....22..2. 2-2-2 431 
glabrum.... 2.222222 2 028 484 Ponthieva ..-.2 222. 22.022 eee 460 
gracile. oo... ee eee eee 487 catalogue .... 222220 eee eee eee 460 
hydropiper .......2..00.. 022.2222... 183 glandulosa ......2.. 02.22.2222. -22.------ 460 
lapathifolium inearnatum ...... 222... #840 Poplar 2.222222. eee. 464, 824 
MIE Lecce eee ee ee ee eee eee ABD Carolina ............2.....-..--.. 22. 465 
opelousanum. .o.000 0 ee eee 485 | Silver... 2.2222 ee eee 833 
