Hurnaria rutilans , Fries . 55 
Fig. 21. Synapsis. Transverse section of ascus. The arms of each loop are closely approxi- 
mated. The longitudinal fission can just he distinguished in places, x 1875. 
Fig. 22. Ascus in longitudinal section. Nucleus passing out of synapsis. The longitudinal 
fission is once more obvious, x 1875. 
Fig. 23. Spireme broken up into chromosomes, in the limbs of these the longitudinal fission can 
be seen, x 1875. 
Fig. 24. Immature chromosomes, x 2808. 
Fig. 25. Nucleus showing sixteen mature chromosomes, x 2808. 
Fig. 26. Spindle formation ; the two centrosomes lie close together with a cone of fibres 
radiating from each, x 1875. 
Fig. 27. Later stage, spindle is established, x 1875. 
Fig. 28. Passage of chromosomes on to spindle, x 1875. 
Fig. 29. Chromosomes on spindle; centrosomes and asters visible, x 1875. 
Fig. 30. Chromosomes on the spindle, x 2808. 
Fig. 31. Passage of chromosomes to poles, x 1875. 
Fig. 32. Chromosomes aggregated at the poles, x 1875. 
Fig. 33. Reconstruction of daughter-nuclei, x 1875. 
Fig. 34. Same; later stage, x 1875. 
SECOND DIVISION. 
Fig- 35- Passage of chromosomes on to spindle, x 1875. 
Fig. 36. Telophase ; sixteen bent chromosomes, x 2808. 
THIRD DIVISION. 
Fig. 37. Early prophase, showing delicate spireme, x 1875. 
Fig. 38. Spireme stage ; two centrosome-like bodies, x 1875. 
Fig. 39. Later spireme ; centrosome-like bodies, x 1875. 
Fig. 40. Chromosome formation in four nuclei, x 1875. 
Fig. 41. Nucleus showing sixteen curved chromosomes, x 2808. 
Fig. 42. Metaphase of third division, x 1875. 
Fig. 43. Passage of curved chromosomes to poles, x 1875. 
Fig. 44. Telophase ; lateral view, and polar view in which the sixteen ends of eight curved 
chromosomes can be counted, x 2808. 
Fig. 45. Another polar view showing the eight chromosomes, x 2808. 
Fig. 46. Telophase in lateral view, x 1875. 
Fig. 47. Later stage, formation of nuclear beaks has begun, x 1875. 
Fig. 48. Spore formation, x 1875. 
Fig. 49. Young spore, x 1875. 
Fig. 50. Trinucleate ascus. x 1250. 
Fig- 51. Tetranucleate ascus. x 1250. 
Fig. 52. Ascus containing two nuclei in synapsis, x 1875. 
Fig. 53. Ascus containing a single nucleus in which the chromatin is aggregated into two 
masses, x 1875. 
Fig. 54. Fusion between two nuclei in the, ascus after the second division. x 1250. 
Fig. 55. Ascus containing three normal spores and one with five nuclei, x 1250. 
