378 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Polvpodium, 196, 3G3 
P()ly[)odv, 196 
Polystichum, 191, 196 
Pond Lily, While, 265 
Yellow, 266 
Pondweed, 205 
Pondweed Family, 205 
Poiitod(>ria, 238 " 
PONTKDKRIACKAE, 238, 357 
Poplar, 249 
Balsam, 250 
Lombanlv, 250 
Necklace! 250 
White, 249 
Poi)j)y, 272 
Common, 272 
Corn, 272 
Field, 272 
Poppy Family, 271 
Popuius, 187, 191,249,356 
Portulaca, 266 
POKTULACACEAE, 265, 35S 
Potamogeton, 178, 181, 182, 191, 205, 
354 
Potentilla, 179, 188, 192, 283, 361, 362 
Prenanthes, 192, 346, 356 
Prickly Ash, 294 
Primrose, Evening, 305 
Primrose Family, 314 
Primulaceae, 314, 359 
Prince's Feather, 259 
Pine, 310 
Privet, 315 
Proserpinaca, 306 
Prunella, 180, 322 
Prunus, 192, 284, 353 
Psedera, 187, 188, 298 
Ptelea, 293, 353 
Pteretis, 186, 196 
Pteridium, 197 
Pteris, 197 
Pulse Family, 288 
Pumpkin, 333 
Purslane, 265 
Common, 265 
Water, 305 
Purslane Family, 265 
Pusley, 265 
Pycnanthemum, 323, 356, 362 
Pyrola, 180, 187, 191, 312 
One-flo\vered, 311 
Pyrus, 188, 191, 285, 353 
Queen-of-the-Meadow, 282 
Queen-of-the-Prairie, 282 
Quercus, 182, 187, 188, 191, 254 
Quillwort, 202 
Quillwort Family, 202 
Radicula, 186, 275, 355 
Radish, 276 
Horse, 275 
\\ ild, 276 
Ragged Rcjhin, 263 
Ragweed, 335 
Ragwort, 347 
Golden, 347 
Ranunculaceae, 266, 358 
Ranunculus, 187, 190, 191, 268 
Rape, 274 
Ruphaims, 276 
Raspberry, 190, 286 
Black, 287 
Dwarf, 287 
Purple Flowering, 287 
Red, 286 
Ratibida, 346 
Rattle-box, 264, 289 
Rattlesnake Fern, 200 
Rattlesnake-root, 346 
Rattlesnake-weed, 344 
R(izou»iofski/a, 257 
Red Top, 209 
Red-root, 298 
Reed, 221 
Reseda, 276, 353 
Resedaceae, 276, 358 
Rhamnaceae, 298, 358 
Rhamnus, 188. 298 
Rhaphanus, 353 
Rhododendron, 192, 312, 355 
Rhodora, 355 
Rhus, 188, 295, 355 
Rhyncospora, 188, 233 
Rib Grass, 329 
Ribes, 187, 188, 191, 278, 355 
Rice, Mountain, 217 
Richweed, 256, 320 
Robertiella, 2S3 
Robinia, 291 
Robin's Plantain, 341 
Rock Cress, 272 
Rocket, 275 
Rockrose, 300 
Rockrose Family, 300 
Rosa, 179, 286, 353 
Rosaceae, 279, 358 
Rose, 285 
Cinnamon, 286 
Climbing, 286 
Prairie, 286 
Scotch, 286 
Swamp, 286 
Rose Family, 279 
Rosemarv, Bog, 309 
Rubiaceae, 329, 359 
Rubus. 188, 190, 192, 286, 355 
