LIST OF ILLUSTRATIONS xxi 



Pia. 



88. Apparatus to show the Evolution of Oxygen by a Green Plant . 156 



89. Plants of Buckwheat cultivated in various Nutritive Solutions . 179 



90. Aleurone Grains in Cell of Ricinus . ..... 182 



91. Bladderworts (Utricularia) . ..... 193 



92. Traps of Utricularia . . . ... 194 



93. Pitcher of Sarrac-enia ....... .195 



94. Pitcher of Nepenthes ........ 196 



95. Leaf of Drosera ........ 198 



96. Leaf of Dioncea ......... 199 



97. Section of Lichen ........ 202 



98. Mycorhiza on Beech Root ....... 204 



99. Plant of Thesium ........ 206 



100. Sucker of Thesium ........ 207 



101. Plant infested with Dodder ...... . 209 



102. Haustoria of Dodder ........ 210 



103. Haustoria of Phytophthora . . . . . .211 



104. Starch Grains in Chloroplast ..... . . 220 



105. Section of Stem of Ricinus ..... .231 



106. Section of Stem of Tilia three years old ..... 232 



107. Starch Grains in Chloroplast ..... . 234 



108. Starch Grains in Cell of Potato ..... .235 



109. Starch Grain of Potato ....... 235 



110. Compound and Semi-compound Starch Grains . . . 236 



111. Laticiferous Cell of Euphorbia . . . . . .237 



112. Leucoplasts of Phajus . . . . . . . 237 



113. Inulin Sphsero-crystals ....... 239 



114. Aleurone Layer of Barley ....... 240 



115. Cells of Embryo of Pea ....... 241 



116. Formation of Aleurone Grains ....... 241 



117. Aleurone Grains of Lupin ...... . 242 



118. Aleurone Grains of Ricinus ....... 242 



119. Section of Oat Grain ....... 252 



120. Epithelium of Scutellum ....... 252 



121. Aleurone Layer of Barley ...... . 253 



122. Gland of Drosera ........ 253 



123. Corrosion of Starch Grains by Diastase .... 255 



124. Glandular Hairs of Primula ....... 275 



125. Glandular Hairs of Hop ..... ..275 



126. Oil Reservoirs of Hypericum ....... 278 



127. Bast-Cell of Ephedra . . . . . . .278 



128. Crystals of Oxalate of Calcium in Cells . . . . . 279 



129. Cystolith of Ficus . . . . . . . .279 



130. Absorption Spectra of Chlorophyll and Xanthophyll . . 286 



131. Apparatus to show the Absorption of Oxygen by a Green Plant . 293 



132. Apparatus to show Exhalation of Carbon Dioxide by Germinating 



Seeds .......... 294 



133. Longitudinal Section of Growing Point of Root . . .311 



134. Section of Blade of Leaf . 312 



