132 Steil. — Apogamy in Nephr odium hirtipes , Ilk. 
Fig. 43. A telophase stage of the heterotypic division. Granular zone present. 
Fig. 44. Metaphases of the homotypic division. Spindle multipolar. 
Figs. 45 and 46. Anaphase stages of the homotypic division. 
Fig. 47. A young tetrad. A clear region on one side of the nucleus. 
Fig. 48. An older tetrad. 
Fig. 49. An anaphase stage of the heterotypic division, showing how one of the two sets of 
chromosomes may be divided into two groups. 
Fig- 5 °- A metaphase stage following tho stage represented by Fig. 26. 
Fig. 51. An anaphase stage. 
Fig. 52. A spore mother-cell from which six spores have been produced, five of which are 
shown in the figure. 
Fig. 53. A tetrad, the members of which have been incompletely divided. 
Fig. 54. Two young spores of the same tetrad. Chromatin material in the cytoplasm. 
