Index 



217 



Polygonum, 70 

 POLYPOD] \< i \i:, 21 



Polypodium, 24 

 I'dh stichum, 23 

 Populus, ''1 



1'iikl i l ACA( EAE, 75 



Potamogeton, 30 

 Potentilla, 90 

 Prenanthes, 156 

 Pri m qlaceae, 125 

 Prunella, 132 

 Prunus, 93 

 Psedera, 103 

 Pteridium, 24 

 Pteris, 24 

 Pteritis, 21 

 Pyrola, 11 ( > 

 Pyrus, 86, 87 



Quefcus, '>7 



Radicula, 83 

 Ranun( ulaceae, 7? 

 Ranunculus, 7S 

 R ii a \i n \( :eae, 103 

 Rhododrendron, 122 

 Rhus, 100 

 Ribes, 85 

 Robinia, 95 

 Roripa, 83 

 Rosa, 92 

 Rosaceae, 86 

 rubiaceae, 140 

 Rubus, 91 

 Rudbeckia, 152 

 Rumex, 69 

 Rynchospora, 40 



Sagittaria, 30 

 Salicaceae, ol 

 Salix. 61, 63, 64 

 Sarnbucus, 144 

 Sanguinaria, 81 

 Sanicula, 112 

 Santalaceae, 69 

 Saponaria, 74 

 Sarracenia, 84 

 Sarraceniaceae, 84 

 Sassafras, 81 



Saturcja, 133 

 Saxifraga, 84 



SAXIFRAGA( EAE, 84 



Scirpus, 39 

 Scrophularia, 135 



S< K'oi'il ri.AKI.M EAE, 134 

 Scutellaria, 131 

 Sedum, 84 

 Senecio, 154 

 Sericocarpus, 150 

 Setaria, 32 

 Silene, 74 

 Sisymbrium, 82 

 Sisyrinchium, 57 

 Sium, 1 13 

 Smilacina, 54 

 Smilax, 56 



SOLANACEAE, 134 



Solatium, 134 

 Solidago, 140-48 

 Sonchus, 155 

 Sorbus, 87 

 Sparganiaceae, 30 

 Sparganium, 30 

 Spergula, 73 

 Spiraea, 86 

 Spiranthes, 60 

 Spirodela, 49 

 Stachys, 132 

 Steironema, 126 

 Stellaria, 73 

 Streptopus, 54 

 Symphoricarpos, 143 

 Symphytum, 130 



Taenidia, 114 

 Tanacetum, 153 

 Taraxacum, 155 

 Taxa< eae, 28 

 Taxus, 28 

 Teucrium, 131 

 Thalesia, 139 

 Thalictrum, 78 

 Thaspium, 114 

 Thelypteris, 21 

 Thymeleaceae, 109 

 '1 iarella, 84 

 Tilia, 105 

 Tilliaceae, 105 



