LIST OF ILL USTRA TIONS. xi 



FIG. PAGE 



85. Dipsacus sylvestris, the Common Teazle, . . .80 



86. Rafflesia Arnoldi, . . . . . .82 



87. Mantisia, or Dancing Girls, . . . . -83 



88. Orchis mascula, enlarged, . ... . . .84 



89. Lizard Orchis, Orchis hircina, . . . 85 



90. Man Orchis, Aceras anthropophora, . , . .85 



91. Fly Orchis, Ophrys muscifera, . . . . 85 



92. Riiscus aculeatus, Butcher's Broom, . . . -94 



93. Osmunda regalis, the Royal Fern, . . . .96 



94. Haricot Bean, . . . . . 98 



95. Sporangia of Fern, . . . . . .99 



96. Germination of Fern-spores, . . . . 103 



97. Polypodium vulgare, the Common Polypody, . .104 



98. Asplenium viride, the Maidenhair Spleenwort, . .106 



99. Celerach officinarum, the Scaly Spleenwort, . .107 



100. Ophioglosstim vulgare, the Adder's-tongue, . . .114 



101. Lycopodium davatum, Common Club-moss, . . 139 



102. Polytrichum commune, Calyptra, . . . .142 



103. Polytrichum commune, Sporange, . . . .142 



104. Polytrichum commune, Antheridia, (a} antherozoids, . 142 



105. Two-horned Scale-moss, Sporange, .... 144 



106. Spores and elaters of Scale-moss, .... 144 



107. Forked Scale-moss, Calyptra or hood, . . -144 



108. Flat-leaved Scale-moss, Calyx, .... 144 



109. Marchantia poly morpha, Antheridia, . . . 145 

 no. Marchantia polymorpha, Antheridia, section, . . 145 



111. Marchantia polymorpha, Sporangia, . . . 146 



112. Sporangia of Crystalwort, section, .... 146 



113. Apothecium and Gonidia of Lichen, . . . 150 



114. Cup-moss, Ccenomyce, a lichen, . . . . 151 



115. Eqiiisetiim sylvaticum, the Wood Horsetail, . . 163 



1 1 6. Equisetum sylvatic^^m, disc with sporangia, . . .164 



117. Equisetum syhaticum, a Sporange, . . . .165 



1 1 8. Equisetum sylvaticum, spore with elaters coiled, . -165 



119. Equisetum sylvaticum, spore with elaters uncoiled, . . 165 



120. C/iara, a Stonewort, ..... 167 



121. Chara, enlarged, ...... 167 



122. Chara, longitudinal section of stem, .... 168 



123. Chara, cross section of stem, . . . .168 



124. Char a, Sporange, . . . . . .169 



125. Chara, Antheridium, . . . . . 169 



126. Chara, section of Antheridium, . . . .169 



127. Chara, section of filament with antherozoids, . . 169 



128. Chara, spore germinating, . . . . .170 



129. Isoeies lacustris, the Quill wort, . . . -171 



130. Isoetes lacustris , leaf, . . . . . 171 



131. Jsoetes lacuslris, Sporangia, . . . . -171 



132. Pilularia globulifera^ the Pepperwort, . . .172 



133. Pilularia globulifera, Sporangia, . . . -173 



134. Torula, the Yeast fungus, . . . . .180 



