Index to Plates. 



FIG. NO. 



13. Diatom, Eupodiscus argus 



(H.F.Hailes') 280 : 



11. Diatom, Actinoptychus un- 



dulatus 279 j 



15. Diatom, Aitlis<-its sritlpfics... 281 



16. Triceratium favus 

 (H.F.Hailes) 283 



17. Diatom, Amphora ovalis ... 289 

 IS. Cocconeis scutellum 285 



19. Amphiprora alata 

 (H.F.JIailes) 307 



20. Diatom, Ktauroneis salina .. 299 



21. Pleurosigma acumi- 

 naium 306 



'2-1. Diatom, Achnantheslongipes 286 

 23. Biddulphia aurita 



(II. F. Ilailes) 282 



21. Diatom, Tryblionella gra- 



cilis 264 



25. Diatom, Rhabdonema arcua- 



tum (H. F. Ilailes) 271 



FIG. NO. 



26. Diatom, Melosira nummu- 



loides 273 



27. Diatom, Grammatophora 



marina 272 



28. Diatom, Mastogloia Smithii 308 



29. Actinocydus Kalf- 



sii 277 



30. Diatom, Pleurosigma Spen- 



cerii 253 



31. Diatom, Nitzschia amphi- 



oxys 214 



32. Diatom, Navicula amphis- 



boena 245 



33. Diatom, Synedra ulna 216 



34. Surirella ovata 222 



35. Cocconeis lacen- 



tula 230 



36. Diatom, Epithemia ventri- 



cosa 257 



37. Diatom, Navicula Westii ... 292 



PLATE V. 



1. Spores of Wheat Mildew 



(Puccui'it urnm hi is) 309 



2. Spores of Crowned Mildew 



(P.coronata) 310 



3. Spores of Anemone Brand (P. 



anemones) 311 



4. Spores of Meadow Sweet 



Brand (Triphragiiiium)... 314 



5. Spores of Bramble Brand 



(Phragmidiuih bulbosum) 315 



6. Great Bui-net Brand (Xeno- 



dochus) 317 



7. Nettle Cluster Cups (JSci- 



diumurticx) 318 



8. Spore of Large-spored Cory- 



neum (C. macrosporum) 330 



9. Coil-spored Fungus (Heli- 



cosporium vegetum) 347 



10. Whorled Mould (Verticil- 



Hum distans) 373 



11. Grass Oidium (O. monili- 



oides) 363 



12. Hispid Leaf Sphzeria (Ven- 



turia myrtilli) 385 



13. Cinnabar Sphseria (Nectria 



cinnabarina) 387 



14. Discoid Sphceria (Microthy- 



rium) 384 



15. Wine-glass Peziza (P. cya- 



thoidea) 396 



16. Compact Torula (T. hysteri- 



oides) 344 



17. Truffle Spore (Tuber ciba- 



rium) 397 



18. Trichia Threads 399 



19. Spore of Elm Septoria (Sep- 



toriaulmi) 341 



20. Spores of Rye Sin at 323 



21. AlderProsthemium(P.s^Z- 



lare) 335 



22. Cornel Stilbospore (S. angus- 



tata) 333 



23. Common Chain Mould (As- 



pergillum (jlaucum) 355 



24. Sporocybe byssoides 



25. Potato Mould (Peronospora 



infestans) 356 



26. Banewort Mould (P. are- 



naria^ 358 



27. Lettuce Mould (P. gangli- 



formis) 357 



28. Beaded T win-spore (Bispora 



monilioides) 346 



29. Beautiful Botryosporium (3. 



pulchrum) 371 



30. Fasciculate Mould (Polyac- 



tis fasciculata) 363 



31. Velvety Black Mould (//. 



velutimim) 351 



32. Rosy Mould (Dactylium 



roseum) 367 



33. Clustered - sporcd White 



Mould (Gonatobotrys) ... 370 



34. Common Diplodia (D. vul- 



garis) 337 



35. Hairy Peziza, Asci and Bar- 



renThreads 395 



36. Birch Hendersonia (H. po- 



lycystis) 339 



37. Birch Massaria Spore (M. 



siparia) 390 



38. Birch Prosthemium (P. be- 



tulinum) 334 



39. Maple Blight ( Uncinula bi- 



cornis) 373 



