XVI TABLE OF CONTENTS 



PAGE 



123. Germination of the Seeds of Phaseolus Multiflorus . . . .311 



124. The Germination of Triticum Vulgare 313 



125. Germination of Potatoes 316 



126. The Influence of Temperature on the Amount of Sugar in Potatoes . 317 



127. The Kipening of Fruits and Seeds 318 



128. Preparation of the Material necessary for Quantitative Chemical 



Researches on Metabolism 320 



129. Quantitative Chemical Eesearches on the Behaviour of Fats and 



Carbohydrates in Plant Metabolism 322 



IV. The Bye-Products of Vegetable Metabolism 



130. The Organic Acids in Plants 324 



131. The Behaviour of the Free Organic Acids in the Crassulaceae and 



some other Plants 327 



132. Gums and Mucilages 332 



133. Tannic Acids 333 



134. Ethereal Oils and Resins 338 



135. Colouring Matters 339 



136. Microchemical Tests for Alkaloids and some other Substances . . 342 



137. The Bye-products of Plant Metabolism as means of Protection to 



Plants 344 



V. Translocation of Plastic Substances in Plants 



138. Experiments with Germinating Pollen Grains 346 



139. Experiments with Leaves 347 



140. Experiments with Branches 349 



141. Ringing Experiments 351 



142. The Starch and Sugar Sheaths, and their Functions in connection 



with Translocation 355 



143. The Sieve Tubes and their Functions in connection with Trans- 



location ... 356 



144. Latex 359 



145. Accumulation of Material ... , 360 



