| 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. |
