EXPLANATIONS AND REFERENCES, 

 PLATE CXIX. 



Figures magnified 125 diameters. 



PAGK. 

 Fi^s. 1 2. ULOTHRIX NITENS, ...... 137 



Fi^. 3-7. ULOTHRIX VARIA, ...... 138 



*' 8-10. ULOTHRIX PARIETINA, young forms, . . . .138 



" 11-15. " " older forms, . . .138 



" 1(5-18. SCHIZOGONIUM MORALE, ..... 137 



" 19-20. ULOTHRIX LENORMANDI, ..... 138 



