| Plate | fig. | |
| [I.] | 1. | Goatsbeard with its cluster-cups (Æcidium Tragopogonis). |
| 〃 | 2. | Fragment of same, slightly magnified. |
| 〃 | 3. | Section of cluster-cup, further magnified. |
| 〃 | 4. | Leaf of wood-anemone with its cluster-cups (Æcidium leucospermum). |
| 〃 | 5. | Portion of same, slightly magnified. |
| 〃 | 6. | Anemone cluster-cups, further magnified. |
| 〃 | 7. | Leaf of Berberry with cluster-cups (Æcidium Berberidis). |
| 〃 | 8. | Cluster of cups from the Berberry, as seen with a lens. |
| 〃 | 9. | Cluster-cups of Berberry, magnified. |
| 〃 | 10. | Nettle-stem distorted by growth of cluster-cups (Æcidium Urticæ). |
| 〃 | 11. | Nettle cluster-cups, magnified. |
| [II.] | 12. | Leaf of Pilewort with groups of cluster-cups (Æcidium Ranunculacearum). |
| 〃 | 13. | Group of cluster-cups from Pilewort, as seen with a lens. |
| 〃 | 14. | Section of Pilewort cluster-cups, magnified. |
| 〃 | 15. | Bedstraw cluster-cups (Æcidium Galii) on the Great Hedge Bedstraw. |
| 〃 | 16. | Tip of leaflet with cluster of cups, viewed through a lens. |
| 〃 | 17. | Bedstraw cluster-cup from same, magnified. |
| 〃 | 18. | Leaflets of Mountain-ash with horn-shaped cluster-cups (Rœstelia cornuta). |
| 〃 | 19. | Group of Mountain-ash cluster-cups, magnified. |
| 〃 | 20. | Pear-leaf with its cluster-cups (Rœstelia cancellata). |
| 〃 | 21. | Cluster-cup from the same, magnified. |
| 〃 | 22. | Leaves and fruit of Hawthorn with lacerated cluster-cups (Rœstelia lacerata). |
| 〃 | 23. | Elongated cells forming the walls of the cluster-cups, × 250. |
| 〃 | 24. | Single cell, more highly magnified, with its parallel striæ. |
| 〃 | 25. | Cluster-cups from fruit of Hawthorn, magnified. |
| 〃 | 26. | Section of same, further magnified. |
| 〃 | 27. | Fir-leaves bearing cluster-cups (Peridermium Pini). |
| 〃 | 28. | Isolated cup of same, magnified. |
| [III.] | 29. | Many-jointed fruit of Burnet chain-brand (Xenodochus carbonarius), magnified. |
| 〃 | 30. | Leaflets of Burnet with rust on the lower, and brand (Aregma acuminatum) on the upper leaflets. |
| 〃 | 31. | Spores of Burnet rust (Lecythea Poterii) × 230. |
| 〃 | 32. | Fruit of Burnet brand (Aregma acuminatum). |
| 〃 | 33. | Leaf of Barren Strawberry with rust and brand intermixed. |
| 〃 | 34. | Spores of Barren Strawberry rust × 230. |
| 〃 | 35. | Fruit of Strawberry brand (Aregma obtusatum) × 300. |
| 〃 | 36. | Leaflet of Rose with its rust and brand intermixed. |
| 〃 | 37. | Spores of Rose rust (Lecythea Rosæ) × 230. |
| 〃 | 38. | Fruit of Rose brand (Aregma mucronatum) × 300. |
| 〃 | 39. | Leaflet of Bramble, with its rust and brand intermixed. |
| 〃 | 40. | Spores of Bramble rust (Lecythea Ruborum) × 230. |
| 〃 | 41. | Fruit of Bramble brand (Aregma bulbosum) × 300. |
| 〃 | 42. | Leaflet of Raspberry with its brand. |
| 〃 | 43. | Fruit of Raspberry brand (Aregma gracile) × 230. |
| 〃 | 44. | Cluster of fruits of Rose brand (Aregma mucronatum) × 230. |
| 〃 | 45. | Fruit of Bramble brand (Aregma bulbosum) in active germination, with sporidia at the tips of the threads × 300. |
| 〃 | 46. | Fruit of Bramble brand (Aregma bulbosum) ruptured, with inner cell escaping × 250 (F. Currey). |
| 〃 | 47. | Portion of leaflet of Meadow-sweet with its brand. |
| 〃 | 48. | Spores of Meadow-sweet brand (Triphragmium ulmariæ) × 300. |
| 〃 | 49. | Spore of Meadow-sweet brand (Triphragmium ulmariæ) in germination, with sporidia borne on the germ-tubes × 300 (Tulasne). |
| 〃 | 50. | Sprig of Thesium humifusum bearing Bastard-toadflax cluster-cups (Æcidium Thesii). |
| 〃 | 51. | Portion of leaf of same, with cluster-cups, enlarged. |
| 〃 | 52. | Leaflet of Trientalis Europæa with its smut (Tuburcinia Trientalis). |
| 〃 | 53. | Spores of the same × 320. |
| 〃 | 54. | Spores of Potato smut (Tuburcinia scabies) × 320. (Berkeley.) |
| 〃 | 55. | Leaflet of Alexanders (Smyrnium olusatrum) with its brand. |
| 〃 | 56. | Spores of Alexanders brand (Puccinia Smyrnii) × 320. |
| [IV.] | 57. | Wheat-straw attacked by mildew (Puccinia graminis). |
| 〃 | 58. | Cluster of spores of corn-mildew, magnified (Bauer). |
| 〃 | 59. | Single spore of corn-mildew (Puccinia graminis) × 300. |
| 〃 | 60. | Portion of blade of grass with coronated mildew (Puccinia coronata). |
| 〃 | 61. | Portion of same enlarged, showing the pustules, or sori. |
| 〃 | 62. | Spore of coronated mildew (Puccinia coronata) × highly. |
| 〃 | 63. | Portion of leaf of Spear-thistle with its brand (Puccinia syngenesiarum). |
| 〃 | 64. | Spores of Thistle brand (Puccinia syngenesiarum) × 320. |
| 〃 | 65. | Leaf of Wood-anemone with brand (Puccinia anemones). |
| 〃 | 66. | Spore of Anemone brand (Puccinia anemones) × 320. |
| 〃 | 67. | Leaf of Centaurea nigra with brand. |
| 〃 | 68. | Spores of Composite-brand (Puccinia compositarum) × 320. |
| 〃 | 69. | Leaf of Mint with Mint brand (Puccinia menthæ). |
| 〃 | 70. | Spore of Mint brand (Puccinia menthæ) × 350. |
| 〃 | 71. | Portion of leaf of Earth-nut with brand (Puccinia umbelliferarum). |
| 〃 | 72. | Spore of Earth-nut brand (Puccinia umbelliferarum) × 320. |
| 〃 | 73. | Leaf of Ground-ivy with its brand (Puccinia Glechomatis). |
| 〃 | 74. | Spore of Ground-ivy brand (Puccinia Glechomatis) × 320. |
| 〃 | 75. | Pustule of brand surrounded by the ruptured epidermis, magnified. |
| 〃 | 76. | Portion of leaf and stem of Goatsbeard with brand. |
| 〃 | 77. | Spores of the same × 320. |
| 〃 | 78. | Portion of leaf of Willow-herb with its brand (Puccinia pulverulenta). |
| 〃 | 79. | Spores of Willow-herb brand (Puccinia pulverulenta) × 320. |
| 〃 | 80. | Leaf of Pennywort with brand (Puccinia umbilici). |
| 〃 | 81. | Spores of Pennywort-brand (Puccinia umbilici) × 320. |
| 〃 | 82. | Portion of leaf of Dandelion with its brand. |
| 〃 | 83. | Spores of Variable-brand (Puccinia variabilis) × 320. |
| [V.] | 84. | Grain of Wheat infected with Fœtid smut (Tilletia caries). |
| 〃 | 85. | Longitudinal section of the same. |
| 〃 | 86. | Spores of Fœtid smut (Tilletia caries) mixed with delicate branching threads × 320. |
| 〃 | 87. | Spores of Fœtid smut in germination × highly. |
| 〃 | 88. | Sporidia of the first order borne on the germinating tubes of the fœtid smut (Tilletia caries) × highly. |
| 〃 | 89. | Sporidia of the first order, showing their transverse connection, × highly. |
| 〃 | 90. | Sporidia of the first order, producing sporidia of the second order, × highly. |
| 〃 | 91. | Sporidium of the second order in active germination. |
| 〃 | 92. | Deformed flower-head of Goatsbeard infested with smut (Ustilago receptaculorum). |
| 〃 | 93. | Floret removed, sprinkled with spores of the smut, enlarged. |
| 〃 | 94. | Spores of Goatsbeard smut (Ustilago receptaculorum) × 460. |
| 〃 | 95. | The same in active germination × 460 (Tulasne). |
| 〃 | 96. | Beaksedge (Rhyncospora alba) with its smut (Ustilago Montagnei). |
| 〃 | 97. | Spores of Ustilago Montagnei × 460. |
| 〃 | 98. | Ear of Barley infected with smut (Ustilago segetum). |
| 〃 | 99. | Spores of Corn-smut (Ustilago segetum) × 460. |
| 〃 | 100. | Grass with its smut (Ustilago hypodytes). |
| 〃 | 101. | Spores of Grass-smut (Ustilago hypodytes). |
| 〃 | 102. | Flowers of Bladder-campion with anther smut (Ustilago antherarum). |
| 〃 | 103. | Anther distorted by smut (Ustilago antherarum). |
| 〃 | 104. | Spores of Anther smut (Ustilago antherarum) × 460. |
| 〃 | 105. | Portion of leaf of water grass with Elongated smut (Ustilago longissima). |
| 〃 | 106. | Pustule of same, enlarged. |
| 〃 | 107. | Spores of Elongated smut (Ustilago longissima) × very highly. |
| 〃 | 108. | Spores of Maize smut (Ustilago maydis) × 460. |
| [VI.] | 109. | Sedge (Carex recurva) with Sedge smut (Ustilago urceolorum). |
| 〃 | 110. | Single fruit covered with the smut. |
| 〃 | 111. | Spores of Sedge smut (Ustilago urceolorum) × 460. |
| 〃 | 112. | Flower of Polygonum persicaria distorted by Utricle smut (Ustilago utriculosa). |
| 〃 | 113. | Section of the same (Tulasne). |
| 〃 | 114. | Inflorescence of Polygonum hydropiper with Utricle smut (Ustilago utriculosa). |
| 〃 | 115. | Section of infected flower of Polygonum hydropiper. |
| 〃 | 116. | Spores of Utricle smut (Ustilago utriculosa) × 460. |
| 〃 | 117. | Leaf of Cocksfoot, grass with smut (Ustilago Salveii). |
| 〃 | 118. | Portion of leaf, showing pustules, × slightly. |
| 〃 | 119. | Spores of Cocksfoot smut (Ustilago Salveii) × 320. |
| 〃 | 120. | Grass stem with Banded smut (Ustilago grammica). |
| 〃 | 121. | Portion of same, showing arrangement of the pustules, × slightly. |
| 〃 | 122. | Spores of banded smut (Ustilago grammica) × 320. |
| 〃 | 123. | Inflorescence of Scabious with Floret smut (Ustilago flosculorum). |
| 〃 | 124. | Floret occupied by the smut. |
| 〃 | 125. | Spores of Floret smut (Ustilago flosculorum) × 320. |
| 〃 | 126. | Sedge (Carex riparia) attacked by Olive smut (Ustilago olivacea). |
| 〃 | 127. | Spores of Olive smut (Ustilago olivacea) × 460. |
| 〃 | 128. | Reed stem with smut (Ustilago typhoides). |
| 〃 | 129. | Spores of Reed smut (Ustilago typhoides) × 320. |
| 〃 | 130. | Leaf of Periwinkle with its rust (Trichobasis vincæ). |
| 〃 | 131. | Spores of Periwinkle rust (Trichobasis vincæ) × 320. |
| 〃 | 132. | Spores of Periwinkle brand (Puccinia vincæ) × 320. |
| [VII.] | 133. | Leaf of Mercury with its rust (Uredo confluens). |
| 〃 | 134. | Spores of Mercury rust (Uredo confluens) × 320. |
| 〃 | 135. | Leaf of Enchanter’s Nightshade with its rust. |
| 〃 | 136. | Spores of Nightshade rust (Uredo Circææ) × 320. |
| 〃 | 137. | Leaf of Sorrel with Twin-faced rust (Uredo bifrons). |
| 〃 | 138. | Pustule of Twin-faced rust seated on a coloured spot × slightly. |
| 〃 | 139. | Spores of the same rust × 320. |
| 〃 | 140. | Leaf of Wheat with Corn rust (Trichobasis rubigo-vera). |
| 〃 | 141. | Pustules of the same rust × slightly. |
| 〃 | 142. | Spores of Round corn rust × 320. |
| 〃 | 143. | Tuft of spores of Elongated corn rust (Trichobasis linearis) magnified. |
| 〃 | 144. | Spores of Elongated corn rust (Trichobasis linearis) × 320. |
| 〃 | 145. | Leaf of Groundsel with its rust (Trichobasis Senecionis). |
| 〃 | 146. | Spores of Groundsel rust (Trichobasis Senecionis) × 320. |
| 〃 | 147. | Wild Rose with Golden rust (Uromyces Ulmariæ). |
| 〃 | 148. | Spores of Golden rust × 320. |
| 〃 | 149. | Leaf of Vetch with Long-stemmed rust (Uromyces appendiculata). |
| 〃 | 150. | Spores of the same × 460. |
| 〃 | 151. | Leaf of Common thistle with Sweet-smelling rust (Trichobasis suaveolens). |
| 〃 | 152. | Spores of Sweet rust (Trichobasis suaveolens) × 320. |
| 〃 | 153. | Spermogone of Sweet rust, from common thistle, × highly (De Bary). |
| 〃 | 154. | Clover leaf with Short-stemmed rust (Uromyces apiculosa). |
| 〃 | 155. | Spores of Short-stemmed rust × 320. |
| 〃 | 156. | Leaf of Pilewort with its rust (Uromyces Ficariæ). |
| 〃 | 157. | Spores of Pilewort rust (Uromyces Ficariæ) × 320. |
| 〃 | 158. | Portion of leaf of Luzula with Oblong rust (Trichobasis oblongata). |
| 〃 | 159. | Spores of Oblong rust (Trichobasis oblongata) × 320. |
| [VIII.] | 160. | Leaf of Sallow with its rust (Lecythea capræarum). |
| 〃 | 161. | Spores of Sallow rust (Lecythea capræarum) × 320. |
| 〃 | 162. | Bramble leaf with Ringed rust (Lecythea gyrosa). |
| 〃 | 163. | Pustule of Ringed rust (Lecythea gyrosa) × slightly. |
| 〃 | 164. | Spores of Ringed rust (Lecythea gyrosa) × 320. |
| 〃 | 165. | Purging Flax with its rust (Lecythea Lini). |
| 〃 | 166. | Pustule of the same × slightly. |
| 〃 | 167. | Spores of Flax rust (Lecythea Lini) × 320. |
| 〃 | 168. | Leaf of Flukewort with its rust (Trichobasis hydrocotyles). |
| 〃 | 169. | Spores of Trichobasis hydrocotyles × 320. |
| 〃 | 170. | Portion of leaf of Sedge with its rust (Trichobasis caricina). |
| 〃 | 171. | Spores of Sedge rust (Trichobasis caricina) × 320. |
| 〃 | 172. | Whorl of leaves of Hedge Bedstraw with Bedstraw brand (Puccinia Galii). |
| 〃 | 173. | Spores of Bedstraw brand (Puccinia Galii) × 320. |
| 〃 | 174. | Leaf of Tutsan with St. John’s-wort rust (Uredo hypericorum). |
| 〃 | 175. | Spores of St John’s-wort rust (Uredo hypericorum) × 320. |
| 〃 | 176. | Leaves of Cow-wheat with its rust (Coleosporium rhinanthacearum). |
| 〃 | 177. | Spores of Cow-wheat rust (Coleosporium rhinanthacearum) × 320. |
| 〃 | 178. | Portion of leaf of Sow-thistle with its rust (Coleosporium sonchi-arvensis). |
| 〃 | 179. | Spores of Sow-thistle rust × highly (De Bary). |
| 〃 | 180. | Portion of Coltsfoot leaf with its rust (Coleosporium Tussilaginis). |
| 〃 | 181. | Spores of Coltsfoot rust × highly. |
| 〃 | 182. | Group of spores of Coltsfoot rust in situ × highly (Tulasne). |
| [IX.] | 183. | Leaf of Buttercup with Buttercup smut (Polycystis pompholygodes). |
| 〃 | 184. | Fruit of Buttercup smut (Polycystis pompholygodes) × 460. |
| 〃 | 185. | Violet leaf distorted by Violet smut (Polycystis Violæ). |
| 〃 | 186. | Fruit of Violet smut (Polycystis Violæ) × 460. |
| 〃 | 187. | Portion of Rye-leaf with Rye smut (Polycystis parallela). |
| 〃 | 188. | Fruit of Rye smut (Polycystis parallela) ×460. |
| 〃 | 189. | Dead Birch leaf with Birch wedge-rust (Melampsora betulina). |
| 〃 | 190. | Winter spores of (Melampsora betulina) × 460. |
| 〃 | 191. | Portion of Sallow leaf with Willow wedge-rust (Melampsora salicina). |
| 〃 | 192. | Winter spores of Melampsora salicina × 460. |
| 〃 | 193. | Leaves of Spurge with Spurge wedge-rust (Melampsora Euphorbiæ). |
| 〃 | 194. | Winter spores of Melampsora Euphorbiæ × highly. |
| 〃 | 195. | Portion of Poplar-leaf with Poplar wedge-rust (Melampsora populina). |
| 〃 | 196. | Winter spores of Melampsora populina × 460. |
| 〃 | 197. | Winter spores of Melampsora betulina in active germination—a sporidia × 466 (Tulasne). |
| [X.] | 198. | Fruit of Shepherd’s-Purse with White rust (Cystopus candidus). |
| 〃 | 199. | Portion of Cabbage-leaf with White rust (Cystopus candidus). |
| 〃 | 200. | Conidia of White rust (Cystopus candidus) × 360. |
| 〃 | 201. | Portion of Goatsbeard-leaf with White rust (Cystopus cubicus). |
| 〃 | 202. | Conidia of Goatsbeard white rust (Cystopus cubicus) × 360. |
| 〃 | 203. | Portion of Mycelium producing the first of a chain of conidia × 400. |
| 〃 | 204. | Mycelium of White rust with sucker-like processes × 360. |
| 〃 | 205. | Mycelium of White rust with nascent oogonia × 360. |
| 〃 | 206. | Oogonium of Crucifer white rust (Cystopus candidus) × 400 (De Bary). |
| 〃 | 207. | The same, further advanced, ruptured, with zoospores, × 400. |
| 〃 | 208. | Free zoospores of White rust, with their ciliæ, × 400 (De Bary). |
| 〃 | 209. | Resting zoospores in germination × 400 (De Bary). |
| 〃 | 210. | Oogonium of Goatsbeard white rust (Cystopus cubicus) × 400 (De Bary). |
| 〃 | 211. | Oogonium of Sandwort mould (Peronospora arenariæ) × 400 (De Bary). |
| 〃 | 212. | Oogonium of Pea mould (Peronospora viciæ) × 400 (De Bary). |
| 〃 | 213. | Oogonium of Veronica mould (Peronospora grisea) × 400 (De Bary). |
| 〃 | 214. | Oogonium of Spinach mould (Peronospora effusa) × 400 (De Bary). |
| 〃 | 215. | Leaf of Goosefoot with mould (Peronospora effusa). |
| [XI.] | 216. | Conceptacle of Hop mildew (Sphærotheca castagnei) × 80. |
| 〃 | 217. | Conceptacle of Rose blight (Sphærotheca pannosa) × 80. |
| 〃 | 218. | Sporangium of Sphærotheca pannosa × highly. |
| 〃 | 219. | Conceptacle of Hazel blight (Phyllactinia guttata) × 80. |
| 〃 | 220. | Sporangium of Phyllactinia guttata × highly. |
| 〃 | 221. | Portion of leaf of Willow with Willow blight (Uncinula adunca). |
| 〃 | 222. | Conceptacle of Willow blight (Uncinula adunca) × 80. |
| 〃 | 223. | Tip of one of the appendages × highly. |
| 〃 | 224. | Sporangium of Willow blight (Uncinula adunca) × highly. |
| 〃 | 225. | Conceptacle of Maple blight (Uncinula bicornis) × 80. |
| 〃 | 226. | Tip of one of the appendages of Uncinula bicornis × highly. |
| 〃 | 227. | Furcate tip of one of the appendages of the Maple blight (Uncinula bicornis) × highly. |
| 〃 | 228. | Sporangium of Uncinula bicornis × highly. |
| 〃 | 229. | Leaf of Berberry with Berberry blight (Microsphæria Berberidis). |
| 〃 | 230. | Conceptacle of Berberry blight × 80. |
| 〃 | 231. | Tip of one of the appendages of Berberry blight (Microsphæria Berberidis) × highly. |
| 〃 | 232. | Sporangium of Berberry blight × highly. |
| 〃 | 233. | Tip of appendage of a continental species of blight (Microsphæria Ehrenbergii) × highly (Léveillé). |
| 〃 | 234. | Tip of appendage of Alder blight (Microsphæria penicillata) × highly. |
| 〃 | 235. | Portion of Grass leaf with blight (Oidium monilioides). |
| 〃 | 236. | Tuft of conidia of Oidium monilioides × 120. |
| 〃 | 237. | Leaflet of Garden Pea with Pea blight (Erysiphe Martii). |
| 〃 | 238. | Conceptacle of Pea blight (Erysiphe Martii) × 80. |
| 〃 | 239. | Sporangium of Erysiphe Martii × highly. |
| 〃 | 240. | Conceptacle of Buttercup blight (Erysiphe communis) × 80. |
| 〃 | 241. | Sporangium of Erysiphe communis × highly. |
| 〃 | 242. | Sucker from the mycelium of Erysiphe communis, magnified. |
| [XII.] | 243. | Conceptacle of Mealy Guelder-rose blight (Microsphæria Hedwigii) × 80. |
| 〃 | 244. | Sporangium of same, containing spores, × highly. |
| 〃 | 245. | Conceptacle of Cornel blight (Erysiphe tortilis) × 80. |
| 〃 | 246. | Sporangium of same, containing spores, × highly. |
| 〃 | 247. | Tip of appendage of Microsphæria Hedwigii × highly. |
| 〃 | 248. | Sporangium of Mugwort blight (Erysiphe Linkii), containing spores, × highly. |
| 〃 | 249. | Conceptacle of Mugwort blight (Erysiphe Linkii) × 80. |
| 〃 | 250. | Sporangium and spores of Plantain blight (Erysiphe lamprocarpa) × highly. |
| 〃 | 251. | Conceptacle of Plantain blight (Erysiphe lamprocarpa) × 80. |
| 〃 | 252. | Conceptacle of Paper bristle-mould (Chætomium chartarum) magnified. |
| 〃 | 253. | Sporidium of the same, further magnified. |
| 〃 | 254. | Conceptacle of Paper mildew (Ascotricha chartarum) magnified (Berkeley). |
| 〃 | 255. | Portion of thread of same with conidia, further magnified (Berkeley). |
| 〃 | 256. | Sporangium of same, containing spores (Berkeley). |
| 〃 | 257. | Piece of straw with Bristle mould (Chætomium elatum). |
| 〃 | 258. | Conceptacle of same, slightly magnified. |
| 〃 | 259. | Section of same, further magnified. |
| 〃 | 260. | Dead leaf over-run with Herbarium mildew (Eurotium herbariorum). |
| 〃 | 261. | Conceptacles of the same, seated on their mycelium, magnified. |
| [XIII.] | 262. | Fertile thread of Turnip mould (Peronospora parasitica). |
| 〃 | 263. | Fertile thread of Onion mould (Peronospora Schleideniana). |
| [XIV.] | 264. | Fertile thread of Potato mould (Peronospora infestans). |
| 〃 | 265. | Fertile thread of Lettuce mould (Peronospora gangliformis). |
| [XV.] | 266. | Fertile thread of Pea mould (Peronospora Viciæ). |
| 〃 | 267. | Fertile thread of Anemone mould (Peronospora curta). |
| [XVI.] | 268. | Fertile thread of Sandwort mould (Peronospora arenariæ). |
| 〃 | 269. | Fertile thread of Dock mould (Peronospora obliqua) × 320. |