IT.LTTSTRATIONS 



FICrRE PAGE 



7^>. White Catclifly lo3 



To. Raceiiied Catclifly 154 



74. Boiinciiiii; Bet lo.5 



74a. Xiglit-Blooining Tol)acco 156 



7.5. White variety of Purple-Fringed Orchis 157 



7G. Carrion-Flower 16!2 



77. Purple Trillium 163 



78. Water-Arum 165 



79. Mountain Saxifrage 166 



80. Arum 167 



81. Jack-in-the-Pulpit 169 



8^2. Jack-in-the-Pulpit 170 



83. Dutchman's-Pipe 171 



84. Speedwell 172 



85. Twinflower 175 



86. Common Milkweed 176 



87. Beetles which never visit flowers 179 



88. Choke-Cherry 181 



89. Sheepberry 183 



90. Common flower-visiting beetles 184 



91. Blue Flag 187 



92. Beetles with a tongue resembling that of a butterfly be- 



longing to the genus Nemognatha 191 



93. Wild Rose 195 



94. Mullein 197 



xvi 



