EXPLANATION OE PLATE. 
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12. Spores of Bramble Bust (. Lecythea Ruborum). 
13. Spore of Bramble-brand (. Aregma bulbosum). 
14. Spore of the same "burst, with the inner cell escaping. 
15. Spore of Aregma bulbosum in germination, with globular orange 
sporidia produced at the extremities {after Gurrey). 
16. Tuft of spores of Aregma , showing the manner in which they are 
clustered together. Magnified. 
17. Meadow-sweet Brand ( Triphragmium Ulmarice), on portion of 
leaflet of Spircea ulmaria. 
18. Trilocular spores of Triphragmium Llmarice. 
19. Spore of Triphragmium TJlmarice in germination, bearing secondary 
fruit ( Tulasne ). 
20. Corn Mildew {Puccinia graminis ) on a piece of wheat straw. 
21. Portion of a section of straw, showing a tuft of Mildew ( Puccinia 
graminis ) in situ. 
22. Spore of Corn Mildew {Puccinia Graminis). 
23. Coronated Brand {Puccinia coronata ), on a portion of grass leaf. 
24. The same enlarged, showing the sori. 
25. Spore of Coronated Brand {Puccinia coronata). 
26. Thistle Brand {Puccinia syngenesiarum), on portion of leaf of 
spear-thistle {Ca/rduus lanceolatus) showing the compound pustules. 
27. Spores of the same. 
28. Anemone Brand {Puccinia Anemones ), on leaf of wood anemone 
{Anemone nemorosa). 
29. Echinulate spore of Anemone Brand {Puccinia Anemones). 
30. Centaury Brand {Puccinia Compositarum), on leaf of knapweed 
{Gentaurea nigra). 
31. Spores of the same. 
32. Mint Brand {Puccinia Menthce ), on leaf of corn-mint {Mentha 
arvensis). 
33. Spores of the same. 
34. Earth-nut Brand {Puccinia Umbelliferarum), on leaf-stalks and 
leaf of earth-nut {Buniumfiexuosum). 
35. Spores of the same. 
36. Ground-ivy Brand {Puccinia Glechomatis), on leaf of ground-ivy 
{Glechoma hederacea). 
37. Pustule or sorus of Puccinia , girt by the remains of the ruptured 
epidermis. 
38. Spores of Puccinia glechomatis. 
39. Dandelion Brand {Puccinia variabilis), on portion of leaf of 
dandelion {Taraxacum Dens-leonis). 
40 Variable spores of the same. 
%* All the spores are more or less magnified. 
