558 



INDEX. 



Pepperidge ii. 162 



Peppermint ii. 56 



Prpperwort i. 64 



Perislytis bracteatus. . ii. 279 



viridis 279 



Pirneliya i. 451 



Persicaria ii. 148 



Persimmon ii. 6 



Phaca i. 173 



neglecta 173 



Phalachroloma obtusifolium, 

 i. 355 



Phalaris ii. 418 



Americana 418 



arundinacea .. 418 



Canariensis 419 



oryzoides 415 



Phalerocarpus serpyllifolia, 



i. 450 



Phaseolus . i. 160 



divcrsifolius 160 



lielvolus 161 



macroUachyos . 160 



paniculatus 1 60 



peduncularis . . 161 



perennis 160 



vexillatus 161 



Phleum ii. 418 



pratense 418 



Phlomis tuberosa ii. 81 



Phlox ii. 93 



divaricata 93 



subulata 94 



Phragmites ii. 446 



communis 446 



Phryma ii. 53 



leptostachya . . 53 



Physalis ii. 103 



helerophylla -. 103 



obscura 103 



Pensylvanica . 103 



viscosa 103 



Physematium Perrinianum, 

 ii. 500 

 oblusum 500 



Page 



Physocarpus i. 198 



Physostegia ii. 76 



Virginiana 76 



Phytolacca ii. 157 



decandra 157 



PHYTOLACCACEJZ, 



ii. 157 



Picea balsamea ii 229 



Pickerel-weed ii.312 



Pickerel-weed Tribe., ii. 311 

 Picrococcus slamineus, i. 446 



Pigweed ii. 133 



Pimpernel ii. 12 



Pine ii. 227 



Pine Tribe ii. 226 



PiNGUICULA ii. 18 



acutifolia 19 



vulgaris 18 



Pink Tribe i. 92 



PiNus ii. 227 



alba 231 



Balsamea 229 



Canadensis 230 



microcarpa 232 



mitis 229 



nigra 230 



pendula 232 



resinosa 227 



rigida 227 



rubra 227 



Strobus 228 



variabilis .. 229 



Pinus-Abies balsamea, ii. 229 



Canadensis 230 



Pinwecd i. 78 



Pipatherum nigrum. . ii. 432 



Pipes ii. 481 



Pipowort ii. 335 



Pipewort Tribe ii. 334 



Pipsissiwa i. 455 



Pisum marilimum i. 157 



Pityopsis falcata i. 367 



Plane-tree ii. 218 



Plane-tree Tribe ii. 218 



PLANTAGINACEiE, ii. 14 



