294 



INDEX 



Currant 



American Black 92 



Indian 266 



Currants 92 



cyanophylla, Crataegus 137 



cynosbati, Grossularia 



93 (fig.). 94 



Deamiana, Ptelea trifoliata 152 

 Deamii, Hydrangea arbores- 



cens 88 



decidua, Ilex .. 162, 163 (fig.) 

 demissa, Prunus virginiana 144 



dentatum, Viburnum 



260 (fig.), 261 



Des Plaines River 272 



Devil's-Walkingstick. . .211, 212 



Dewberries 6, 105 



Dewberry 



Northern 114 



Swamp 116 



Diervilla 272 



Lonicera 270 (fig.), 272 



dioica, Lonicera. .269, 270 (fig.) 



Dirca 206 



palustris 207 (fig.) 



discolor, Salix 43 (fig.), 48 



Dixon Springs 88, 258 



Dogberry 94 



Dogwood 10 



Alternate-Leaved . . . .219, 220 



Family 212 



Flowering 220 



Gray 219 



Pagoda 219 



Roughleaf 214, 216 



Roundleaf 213 



Silky. . . col. pi. facing 8, 214 



Dogwoods 212 



Douglasii, Juniperus hori- 



zontalis 28 



Downy 



Bog-Rosemary 223 



Storax 243 



Dryland Blueberry 232, 233 



Dune Willow. 46 



Du Page Count>^. . . .69, 268, 273 



durior, Aristolochia 74 



Dutchman's Pipe 73, 74 



Dwarf 



Birch 64, 66 



Cassandra 224 



Pussy Willow 4, 53, 54 



Upland Willow 53 



E 



East St. Louis 38, 112 



Edwards County 16+ 



Effingham County 180 



Elaeagnaceae 208 



Elastic, Gum 239 



Elder 



American 253 



Poison .158 



Scarlet 253, 255 



Elderberry 253 



Elders 252 



Elgin 105 



Elm Family 69 



Englewood 45 



Ericaceae 220 



eriocephala, Salix discolor. . 49 



Euonymus 167 



americana 168 (fig.), 169 



atropurpurea . .167, 168 (fig.) 



Brook 169 



obovata 170, 171 (fig.) 



Running 170 



European 



Alder 69 



Red Raspberry 108 



Excluded Species 8 



False 



Heather 205 



-Indigo 145 



Farkleberry 231, 232 



Filberts 62 



Five-Fingers 103 



