xx VEGETABLE PHYSIOLOGY 



FIG. PAGK 



135. Section of Stem of Rush 307 



136. Adult Vegetable Cells 309 



137. Region of Growth in Boot of Bean 312 



138. Pfeffer's Auxanometer 313 



139. Air Passages in Potamogeton 330 



140. Leaf of Isoetes 331 



141. Petiole of Water-lily 332 



142. Rhizome of Marsilea 334 



143. Water-gland of Saxifraga 336 



144. Leaf of Heath 338 



145. Suckers of Thesium 341 



146. Section of a Sucker 342 



147. Zoospore of Ulothrix 345 



148. Plasmodium of a Myxomycete 346 



149. Cells from Leaf of Elodea 349 



150. Cells from Hair of Tradescantia 349 



151. Leaf of Telegraph Plant 354 



152. Pulvinus of Mimosa ; 355 



153. Desmodium gyrans, day and night position 372 



154. Nicotiana glauca, day and night position 373 



155. Pulvinus of Mimosa 375 



156. Darwin's Klinostat 381 



157. Section of Sucker of Thesium 388 



158. Haustoria of Cuscuta 389 



159. Leaf of Dioncea .390 



160. The same 401 



161. Continuity of Protoplasm through the Cell-wall . . . .404 



162. Yeast Plants 413 



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



164. Zoospore of Ulothrix 418 



165. Gonidangia of Achlya 418 



166. Mycelium of Mucor . . .'..<; 419 



167. Part of Hy menial Layer of Peziza 419 



168. Stylogonidia of Eurotium . 420 



169. Filament of Ulothrix with Gametes escaping .... 421 



170. Oogonium of Fucus 423 



171. Oosphere and Antherozoids of Fucus 423 



172. Procarpium of a Red Seaweed 424 



173. Archegonium of Fern 425 



174. Prothallium of Fern 428 



175. Germination of Microspores of Salvinia 429 



176. Germination of Megaspore of Salvinia 430 



177. Germination of Megaspore of Selaginella 431 



178. Ovule of Pinus 432 



179. Ovule of an Angiosperm 432 



180. Antherozoids of Moss and Fern 435 



181. Antheridium of Fern 435 



182. Archegonium of Fern 436 



