INDEX TO LATIN NAMES 



Podophyllum peltatum, 14 

 Pogonia ophioglossoides, 216 

 Polygala cruciata, 228 

 Polygala paucifolia, 210 

 Poly""Tla polygama, 212 

 a sanguinea, 226 

 latum biflorum, 128 

 F . ^ .latum giganteum, 130 

 Poly^ nella articulata, 252 

 Polygonum amphibium, 234 

 Polygonum arifolium, 104 

 Polygonum hydropiperoides, 100 

 Polygonum Pennsylvanicum, 234 

 Polygonum sagittatum, 104 

 Polygonum scandens, 102 

 Pontedaria cordata, 299 

 Potentilla anserina, 146 

 Potentilla argentea, 150 

 Potentilla Canadensis, 148 

 Potentilla fruticosa, 148 

 Potentilla Norvegica, 146 

 Potentilla tridentata, 83 

 Poterium Canadense, 74 

 Prenanthes alba, 332 

 Prenanthes serpentaria, 330 

 Prunus maritima, 34 

 Prunus Virginiana, 19 

 Pyrola elliptica, 56 

 Pyrola minor, 58 

 Pyrola rotundifolia, 56 

 Pyrola secunda, 58 

 Pyrus arbutifolia, 8 

 Pyxidanthera barbulata, 9 



Ranunculus ambigens, 156 

 Ranunculus fascicularis, 132 

 Ranunculus septentrionalis, 130 

 Raphanus Raphanistrum, 144 

 Rhexia Virginica, 236 

 Rhinanthus, Crista-galli, 164 

 Rhododendron maximum. 46 

 Rhododendron nudiflorum, 208 

 Rhododendron Rhodora, 202 

 Rhododendron viscosum, 50 

 Rhus Toxicodendron, 116 

 Rhus typhina, 114 

 Rhus venenata, 114 

 Rubus Canadensis, 43 



Rubus Chamasmorus, 42 

 Rubus hispidus, 42 

 Rubus odoratus, 222 

 Rubus villosus, 42 

 Rudbeckia hirta, 172 

 Rudbeckia laciniata, 172 



Sabbatia angularis, 239 

 Sabbatia chloroides, 239 

 Sabbatia stellaris, 238 

 Sagittaria variabilis, 109 

 Sambucus Canadensis, 'j-j, 

 Sambucus racemosa, 38 

 Samolus Valerandi, 76 

 Sanguinaria Canadensis, 2 

 Sanicula Marylandica, 92 

 Saponaria officinalis, 248 

 Sarracenia purpurea, 258 

 Saururus cernuus, 40 

 Saxifraga Pennsylvanica, 121 

 Saxifraga Virginiensis, 16 

 Scutellaria galericulata, 285 

 Scutellaria integrifolia, 284 

 Scutellaria lateriflora, 284 

 Senecio aureus, 138 

 Senecio vulgaris, 138 

 Silene antirrhina, 204 

 Silene Cucubalus, 105 

 Silene Pennsylvanica, 202 

 Silene stellata, 105 

 Sisyrinchium angustifolium, 280 

 Sium cicutaefolium, 93 

 Smilacina racemosa, 24 

 Smilax herbacea, 113 

 Smilax rotundifolia, 114 

 Solanum Dulcamara, 300 

 Solidago bicolor, 188 

 Solidago caesia, i88 

 Solidago Canadensis, 187 

 Solidago juncea, 187 

 Solidago lanceolata, 188 

 Solidago latifolia. 188 

 Solidago nemoralis, 187 

 Solidago odorata, 188 

 Solidago rugosa, 187 

 Solidago sempervirens, 188 

 Solidago virga-aurea, 188 

 Specularia perfoliata, 298 



337 



