432 



Index 



Page 

 Red 



Ash ;{29 



Birch 165 



Bud 271, 374 



Cedar lOr. 



Elm 201 



Gum 2:^7 



Maple 299 



Mulberry 213 



Oak 1S7 



Pine 87 



Plum 2.".9 



Spruce 93 



Rhamnaeeae 379 



Rhaninus 380 



cathartica 305, 3S0 



Rhododendron 321,384 



maximum 321, 384 



Rhus 376 



eopallina 283 



glabra 281 



glabra, var. laciniata 281 



hiria 279 



Kev to species 377 



typhina 279 



venenata 285 



Vernix 285 



River Birch 165 



Robinia 374 



Pseudo-Acacia 273 



Rock Elm 205 



Rosaceae •".fiO 



Key to genera 369 



Rose Family 369 



Rowan Tree 239 



Rue Family 375 



Rum Cherry 245 



Rutaceae 375 



Salicaceae 351 



Key to genera 352 



Salix 352 



alba, var. vitellina 117 



amygdaloides 109 



babvlonica 119 



Behhiona 123 



hlatida 117 



discolor 121 



Forhtintin 125 



fragilis 115 



Key to species 352 



laurifoUn Ill 



lucida 113 



nigra 107 



prnditla 119 



pentandra. . Ill 



purpurea 125 



rostra ta 123 



RuKHcUimid 115 



riridis. 115 



ritrlUva 117 



Sapindaceae 379 



Sassafras 225. 367 



offlrinnlr 225 



ffanKafrnx 225 



variifolium 22f> 



Scarlet Oak 191 



Scrophulariaceae 386 



Scrub Pine 81, 83 



Serviceberry 241, 370 



Shad Bush 241 



Shagbark Hickory 145 



Sheepsberry 341 



Shellbark, Big 147 



Page 



Shellbark Hickory 145 



Shining Willow 113 



Short-leaved Pine 85 



Silver Maple 297 



Silver-leaved Poplar 127 



Simaroubaceae 375 



Slippery Elm 201 



Sloe 251 



Small-fruited Hickory 151 



Smooth Sumach 281 



Soapberry Family 379 



Sorbus 



amcrhcana 237 



Aucuparia 231) 



Sour Cherry 257 



Spruce 347 



Black 95 



I'at 91 



Key to species 34V 



Red 93 



White 91 



St. I>ucie Cherry 253 



Stag Bush 343 



Staghorn Sumach 279 



Stipule scars 49 



Striped Maple 289 



Sugar Maple 293 



Sngarberry 20? 



Sumach 376 



Chinese 27? 



Dwarf 283 



Family 376 



Poison 289 



Smooth 381 



Staghorn 279 



Swamp 



Bay 217 



Cottonwood 131 



Maple 299 



Poplar 131 



Spanish Oak 189 



White Oak 181 



Sweet 



Bay 217 



Birch 161 



Cherrv 255 



Crab 233 



Gum 227, 368 



Magnolia 217 



Sycamore 229 



Tacamahac 13'5 



Tamarack 89, 346 



Taxaceae 344 



Taxonomy of plants 13 



Taxus canadensis 344 



Thorn Apple 243, 371 



Thorn, Black 251 



Thuja 348 



occidentalis 103, 349 



Tilia 380 



amoricana 307 



(/Inbra 307 



hcterophylla, var. Michauxii. . . . 311 



Kev to species ' 381 



Miihauxii 309 



tici/lirtn 309 



Tiliaceae 380 



Toxicodendron Vernix 285 



To.rylon pomiferum 209 



Tree of Heaven 277, 376 



Trembling Aspen 129 



