LIST OF ILLUSTRATIONS. 



FIG. PAGE 



135. Penicillium, a mould, . . . .183 



136. Mucor, a mould, . . . . . .184 



137. Mucor, conjugation, . ... 184 



138. Mucor, Zygospore, . . . . . .184 



139. Development of an Agaric, . . 185 



140. Section of an Agaric, ..... 186 



141. Basidia and spores of an Agaric, .... 187 



142. Peronospora infestans, the potato fungus, . . .190 



143. Peronospora infest ans, in section of leaf, . . .190 



144. j&cidium, Cluster cups, . . . . .191 



145. Oidium, the Vine fungus, . . . . 191 



146. Erysiphe, the Pea fungus, . . . . .192 



147. Cyathus vernicosus, or Bird's-nest fungus, . . .198 



148. Protococcus, . . . . . . . 200 



149. Section of Fucus vesiculosus, .... 200 



150. Conceptacle of Fucus vesiculosus, . . . .201 



151. Fucus nodosus, ..... 202 



152. Padina pavonia, ..... 206 



153. Plocamium coccineuin ..... 206 



154. Chondrus crispus, ..... 207 



155. Ulva latissima, . . . . .207 



156. Volvox globator, ..... 209 



NOTE. Figs. 93, 95, 96, 97, 98, 99, 100, are from " Ferns and 

 Ferneries." 



