Acrothecium simplex._ 44
27. _Peronospora Arenariae._ 44
28. _Polyactis cinerea._ 47
29. _Peziza Fuckeliana_, with ascus and sporidia. 47
30. _Penicillium chartarum._ 50
31. _Mucor mucedo_, with sporangia. 50
32. Small portion of _Botrytis Jonesii_. 54
33. Section of cup of _Ascobolus_. 57
34. Asci, sporidia, and paraphyses of _Ascobolus_. 59
35. Perithecium of _Sphaeria_. 61
36. _Uncinula adunca_, conceptacle with appendages. 62
37. _Agaricus nudus._ 66
38. _Scleroderma vulgare_, Fr. 69
39. _Ceuthospora phacidioides._ 69
40. _Rhopalomyces candidus._ 74
41. _Mucor caninus._ 75
42. _Sphaeria aquila_, cluster of perithecia. 78
43. _Morchella gigaspora_, from Kashmir. 99
44. _Cyttaria Gunnii_ 101
45. Spores of Agarics 121
46. Spores of _Lactarius_ 121
46a. Spores of _Gomphidius_ 122
47. Spores of _Polyporus_, _Boletus_, and _Hydnum_. 122
48. _Diachea elegans_, capellitium of 123
49. Spore of _Hendersonia polycystis_. 126
50. Spores of _Dilophospora graminis_. 126
51. Spores of _Discosia_. 126
52. Spore of _Prosthemium betulinum_. 126
53. Spore of _Stegonosporium cellulosum_. 126
54. Stylospores of _Coryneum disciforme_. 126
55. Spores of _Asterosporium Hoffmanni_. 126
56. Spores of _Pestalozzia_. 126
57. _Bispora monilioides_, concatenate spores 126
58. Pseudospores of _Thecaphora hyalina_. 128
59. Pseudospores of _Puccinia_.