INDEX 341 



Page 



Rissa tridiictyla 23.5 



Robinia pseudo-acacia 99 



Roccus chrysops 254 



Rosa Carolina '.-. 23, 42, 43, 98, 182, 209, 212 



blaiida 98 



rubiginosa 98 



Rulms allegheniensis 44, 98 



canadensis 184, 209, 210 



liispidus 40, 44, 98 



idaeus aculeatissimus 44, 98 



occidentalis 98 



trifloris 98 



villosus 98 



Rudbeckia hirta 50, 117, 180, 209 



laciniata 117 



Ruraex acetosella 50, 90 



britannica 90 



crispus 47, 90 



obtusifolius. 90 



Russula brevipes 57 



chamaeleontina 56 



emetica 56, 60 



roseipes 56 



veternosa media 42, 56, 60 



Rusts 58 



Ruthven, Alexander G 17, 32, 33, 34, 30, 37, 59, 63, 121, 178, 235, 245. 257, 258, 259, 



266, 272, 281, 309, 311, 315 



Ryncliospora alba 81 



capillacea 81 



fusca 81 



Sagittaria latifolia 38, 75, 128, 134, 209, 212 



Salix alba ' 87 



amygdaloides 87 



babylonica 87 



Candida. . . . ; 88 



discolor 87 



fluviatilis ^. 208, 213 . 



glaucophylla 31, 59, 70, 87 



brevifolia 87 



humilis 87 



longifolia 43, 70, 84 



lucida 87 



nigra 39, 42, 87 



petiolaris 87 



rostrata 88 



sericea ; 88 



Salsola kali tenuifolia 46, 92 



Sambucus canadensis 114 



racemosa 114 



Samolus floribundus 107 



Sanguinaria canadensis 94 



Sanicula marilandica 105 



Saponaria officinalis 92 



Sargent, C. S 59, 60. 63 



Sarracenia purpurea 23, 31, 96, 134, 150 



Sassafras variifolium 31, 59, 71, 94 



Satureja vulgaris ■ 110 



Sauria 263 



Saururus cernuus 87 



Sayornis phoebe 273, 274, 289 



Schilbeodes gyrinus 24. 246, 249 



44 



