GENERAL INDEX 
Polygonatum commutatum, 74, 358 
Polygonum amphibium, 218 
arifolium, 214 
aviculare, 218 
Hydropiper, 306 
orientale, 292 
pennsylvanicum, 218 
Persicaria, 218 
sagittatum, 152 
scandens, 148 
Pontederia cordata, 250 
Poor Man's Weatherglass, 288 
Potentilla Anserina, 34 
canadensis, 26 
argentea, 28 
monspeliensis var. norwegica, 28 
palustris, 260 
tridentata, 140 
Poverty Grass, 60 
Prenanthes alba, 172 
Primrose, Evening, 66 
Primula veris, 40, 256 
Prince's Feather, 292 
Privet, 364 
Andromeda, 160 
Prunella vulgaris, 234 
Prunus virginiana, 142, 334 
Psedera quinquefolia, 356 
Pycnanthemum flexuosum, 92 
virginianum, 92 
Pyrola americana, 114 
elliptica, 114 
minor, 114 
One-flowered, 116 
Round-leaved, 114 
secunda, 114 
Pyrus arbutifolia, var. atropurpu- 
rea, 162 
Quaker Ladies, 246 
Queen Anne's Lace, 130 
Radish, Wild, 68 
Ragged Robin, 192 
Ragwort, Golden, 44 
Ranunculus abortivus, 62 
acris, 62 
aquatilis, var. capillaceus, 116 
bulbosus, 62 
delphinifolius, 64 
laxicaulis, 64 
pennsylvanicus, 62 
recurvatus, 62 
repens, 64 
septentrionalis, 62 
Raphanus Raphanistrum, 68 
Raspberry, Purple Flowering, 208 
330 
Rattlebox, 360 
Rattlesnake-weed, 38, 296 
Rhexia virginica, 188 
Rhododendron canadense, 206 
maximum, 158 
nudiflorum, 206 
viscosum, 162 
Rhodora, 206 
Rhus copallina, 302, 330 
glabra, 302, 330 
Toxicodendron, 310, 350 
typhina, 302, 330 
Vernix, 302, 330, 350 
Robin's Plantain, 270 
Rockrose, 60 
Rosa blanda, 208 
canina, 208, 332 
Carolina, 208, 332 
humilis, 332 
rubiginosa, 208, 332 
Rose, Dog, 208, 332 
Pasture, 332 
Smooth, 208 
Swamp, 208, 332 
Wild, 208, 332 
Rosemary, Bog, 158 
Marsh, 250 
Rubus Chamaemorus, 178, 344 
odoratus, 208, 330 
Rudbeckia laciniata, 46 
hirta, 46 
Rue, Early Meadow, 310 
Tall Meadow, 140 
Rumex Britannica, 306 
crispus, 306 
obtusifolius, 306 
Sabatia angularis, 202 
dodecandra, 202 
Square-stemmed, 202 
stellaris, 202 
Sagittaria latifolia, 120 
St. John's-wort, Canadian, 10 
Common, 8 
Creeping, 8 
Great, 8 
Marsh, 188 
Pale. TO 
Shrubby, 8 
Small-flowered, 10 
Spotted, 10 
Sambucus canadensis, 88, 364 
racemosa, 86, 328 
391 
