xx VEGETABLE PHYSIOLOGY 



F!G- PAGE 



136. Section of Blade of Leaf . . . . ' . . ... 307 



137. Section of Stem of Eush . . j . . . . . .308 



138. Adult Vegetable Cells . . . - . ' 310 



139. Kegion of Growth in Koot of Bean . . . . .31 



140. Pfeffer's Auxanometer - . . . . . . . . . . . 314 



141. Air Passages in Potamogeton . .,' . . . . . 331 



142. Leaf of Isoetes ,. '.'-. . . . 332 



143. Petiole of Water-lily . . . .'.'.-. . . 333 



144. Ehizome of Marsilea . . . * 335 



145. Water-gland of Saxifraga . . .... . .337 



146. Leaf of Heath ...'.-. . . . 339 



147. Suckers of Thesium . . . . . - . ' . '.. . 342 



148. Section of a Sucker . . . . . . ." . . 343 



149. Zoospore of Ulothrix . .. -. . .. . ... . 346 



150. Plasmodium of a Myxomycete . . . . . . . . 347 



151. Cells from Leaf of Elodea . . . . . . . .350 



152. Cells from Hair of Tmdescantia . . ... . . . 350 



153. Leaf of Telegraph Plant . - . . % . \ . . . . 355 



154. Pulvinus of Mimosa \ . . . . 356 



155. Desmodium gyrans, day and night position ..... 373 



156. Nicotiana glauca, day and night position 374 



157. Pulvinus of Mimosa . . 376 



158. Barwin's Klinostat . . 383 



159. Section of Sucker of Thesium . . . . v . . . 389 



160. Haustoria of Cuscuta . . . . . . - . . . 390 



161. Leaf of Dionaa . -. . . . , . . f . .391 



162. The same . . . - . . . 401 



163. Continuity of Protoplasm through the Cell-wall . ' . - . .404 



164. Yeast Plants . . \ . 413 



165. Stages in Karyokinetic Division of the Nucleus .... 414 



166. Zoospore of Ulothrix ., . . . . . . . 418 



167. Gonidangia of Achlya , . . . . . . 418 



168. Mycelium of Mucor . , . . . . ... 419 



169. Part of Hymenial Layer of Peziza . ...... . .419 



170. Stylogonidia of Eurotium . . . . . . . . . 420 



171. Filament of Ulothrix with Gametes escaping . ( . . . 421 



172. Oogonium of Fucus . : . . . . . . . . 423 



173. Oosphere and Antherozoids of Fucus . ' . . . . . 423 



174. Procarpium of a Ked Seaweed . . . . - . . . . 424 



175. Archegonium of Fern . . . . . . . 425 



176. Prothallium of Fern . : ^. ,. *. . . . ..428 



177. Germination of Microspores of Salvinia . . . . 429 



178. Germination of Megaspore of Salvinia . . . . . . 430 



179. Germination of Megaspore of Selaginella . . . '. . . . 431 



180. Ovule of Pinus .' . . . .432 



181. Ovule of an Angiosperm .... . . . . . 432 



182. Antherozoids of Moss and Fern ... . ... 434 



183. Antheridium of Fern . . . . . > . . . .435 



184. Archegonium of Fern ' .' . . 435 



