DESCRIPTION OF PLATES. 



Plate IX. Fusarium (Spicaria) colorans dc Jonge. Fusarium-spores of the isolated 

 strains with spores of an original culture, obtained from the "Centralstelle fiir 

 Pilzkultnren" in Amsterdam, for comparison, 600 X- 



Original cultures from Mrs. van Ilall-de Jonge. 



Plate X. Fusarium theobromae Appel et Strunk. Fusarium-spores of the isolated 

 strains with spores of an original culture, obtained from the "Centralstelle fiir 

 Pilzkulturen" in Amsterdam, for comparison. 600 X* 



Fig. 1. Original culture from Appel and Wollenweber. 

 » 2. Strain I. 

 Strain It. 

 Strain III. 

 Strain V. 

 Strain VI. 

 Strain VII. 

 Strain VIII. 

 Strain XIV. 

 Strain XV. 

 Plate XI. Nectria cancri nova species {Strain 11). 



Perithecia as seen with binocular microscope. 45 X- 

 Longitudinal section of perithecium. 180 X- 

 Ostium as seen from above. 180 X- 

 Asci, ripe and unripe, and ascopores. 600 X- 

 Plate XII. Nectria cancri nova species (Strain II). 

 Cephalosporium-form in the air. 250 X- 

 Idem in water. 250 X- 



Fusariumspores, germinating in hanging drops, 24 hours. 250 X- 

 Ascopores, germinating in hanging drops, 24 hours. 250 X- 

 Conidiophore. GOO X- 



