— 142 — 



Fig. 38—39. Podospora eoprophila 

 Fig. 38. Ascogonium. X 1200. 

 Fig. 39. Xuclei in a cell of an ascogonium X 1200. 



Fig. 40—44. Sordaria fln ieola. 



Fig. 40. An ascogoniam. X 950, 



Fig. 41. An ascogonium. Xuclei in cells disposed equally. X 1200. 

 Fig. 42. Same. Part of nuclei, lying in pairs. X 1200. 

 Fig. 43. Same. Disposition in pairs of large as well as small nuclei )( 1200. 

 Fig. 44. Cell of an ascogonium giving rise to the ascogenous hyphae. The 

 large nuclei lie separately from each other in the ascogonium. X 1200. 



Fig. 45—53. Sporormia intermedia. 



Fig. 45. Beginning of the formation of a knot. Separation in hyphae of two 

 short cells. )< 950. 



Fig. 46. Same. Separation Ъу transversal walls of a whole range of cells. 

 Part of the latter give side out-growths. X 950. 



Fig. 47. Young knot formed of similar, in size and contents, cells. )( 800. 



Fig. 48. Further development of the knot. The cells have augmented in 

 number and diminished in size. X SOO. 



Fig. 49. Perithecium consisting of layers of different density. In the centre 

 the cells lie more friable. Among them are prominent cells of the „Woronin 

 hyphae" with denser contents and 1 — 2 nuclei. X S*^'-'- 



Fig. 50. Cells of the „"\Toronin hyphae" are distinctly prominent among 

 surrounding cells. X 800. 



Fig. 51. More mature perithecium. In the produced cavity lie cells of t];e 

 „ЛУогошп hyphae" and paraphyses. X SOO. 



Fig. 52. One of the cells of the „Woronin hyphae", giving rise to side out- 

 growths ascogenous hyphae. X 1200. 



Fig. 53. Single-nucleated, thickwalled cells of a forming knot. X 1200. 



