PLATE 12 

 Papulospora sporotrichoides. 



Figures 1—9. Stages in the development of the bulbil. 



Figure 8. A mature bulbil. 



Figure 9. A side view of an immature bulbil. 



Figures 10, 11. Abortive forms. 



Figures 12-16. Modifications in the formation of the spiral. 



Figure 17. An irregular bulbil germinating, magnified more than the others. 



Figure 18. Braneh of the hyphae showing primordia of the bulbils. 



Figures 19-25. Modifications in the development of the bulbils which are 



In aline. 

 Figures 26-28. Semi-diagrammatic representation of the mode of cell 



formation in the development of the hyaline bulbils. 

 Figure 29. A section of a mature bulbil. 



Figures 30, 31. Large intercalary and terminal cells found in the hyphae. 

 Figures 32-34. Germinating bulbrts. 

 Figures 25-26. Conidiophores with conidia. 

 Figure 37. Conidiophore produced directly from the bulbil in a Van Tieg- 



hem cell culture. 

 Figure 38. Conidium. 



Figure 39. The form the conidia usually assume before germinating. 

 Figures 40, 11. Germinating conidia. 



