| 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 (Roestelia cornuta). |
| ? | 19. | Group of Mountain-ash cluster-cups, magnified. |
| ? | 20. | Pear-leaf with its cluster-cups (Roestelia cancellata). |
| ? | 21. | Cluster-cup from the same, magnified. |
| ? | 22. | Leaves and fruit of Hawthorn with lacerated cluster-cups (Roestelia 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. |
| ? | 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). | <
