230 



Page. 



Mahaleb, 165 



pennsylvanica , 168 



Persica, 165 



pumila, 165 



serotina, 166 



virginiana, 167 



Pulse family, 47, 176 



Pussy Willow, 92 



Pyrus : 



americana, 173 



coronaria, 172 



Quaking Aspen, .' 96 



Quassia family, 187 



Quercus, 128 



alba, 55, 132 



bicolor, 135 



coccinea, 141 



falcata, 143 



ilicifolia, 56, 144 



imbricaria, 146 



macrocarpa, 134 



marylandica, 145 



Muhlenbergii, 136 



nana, 56 



palustris, 140 



phellos, 147 



prinoides, 138 



Prinus, 137 



pumila, 56 



rubra, 56, 139 



stellata, 133 



velutina, 142 



Redbud, 180 



Rhododendron, 31, 208 



maximum, 208 



Rhus: 



canadensis, 182 



copallina, 186 



Cotinus, 182 



glabra, 182 



Toxicodendron, 182 



typhina, 185 



Vernix, 184 



Robinia Pseudo-Acacia, 181 



Rosaceae, 164 



Rose Bay, 208 



Rose family, 164 



Salicaceae, 88 



Salix, 89 



babylonica , 89 



discolor, 92 



fragilis, 89 



lucida, 91 



nigra , . . 



rostrata, ' 

 Sambucus canadensis 

 Sapindaceae, . . . 



Sarvice, 



Sassafrac, 



Sassafras, 



variifolium. 



Savin, 



Saxifrax, 



Sequoia, 



Service Berry, 

 Shad Bush, 

 Sheepberry, . 

 Simarubaceae, 

 Slippery Elm, 

 Smoke Tree, . 

 Soapberry family. 



Sorrel Tree, 



Sour Gum, 



Sour-wood, 



Spanish Oak, ... 



Spice Bush, 



Spruce, 



Black, 



Colorado Blue, 



European, 



Norway, 



Pine, 



Red, 



Stag-bush, 



Sugarberry, ... 

 Sumach, 



Dwarf, .. 



Fragrant, 



Mountain, 



Poison, .. 



Smooth, . 



Staghorn, 



Swamp, . 



Velvet, . . 



Sycamore, 



Tamarack, 



Taxaceae, 



Taxus canadensis. 

 Thorn Apple, 



Newcastle, 



Scarlet, 



Tree, 



Thuja occid en talis. 



