P. A. VAN DEE Bl.IL 



273 



24. vii. 14. The lighl yellow region above h;is changed to a tan colour 

 (Plate 317. 1). Numerous very small conidia. 



Length Breadth Number of cells 



1G-5 /x 3-3 fx 4 



14-85 4-75 4" 



19-8 4-75 4 



24-75 4-75 — 



23-1 G-U 



14-85 3-3 3 



I'.IS 3-3 4 



13-2 4-75 2 



Sweet Potato. (PI. XXXVII, fig. 3.) Inoculated 15. vii. 14. 

 18. vii. 14. Dense grey, fluffy growth forming a felt on surface of 



medium. 

 20. vii. 14. On surface of water the fungus has formed a thick growth 

 which where it comes into contact with the glass forms 

 a leaden grey (Plate 353. 1) ring, above which is a very 

 light yellow region. Chlamydospores, but as yet very 

 few conidia. 

 23. vii. 14. Majority of chlamydospores have a diameter of 23-1/x; leaden 

 grey ring darker (Plate 353. 3), yellow above changed to 

 a chocolate brown (Plate 342. 1). Growth 3 mm. thick; 

 conidia abundant. 

 Length 

 33-0 m 

 26-4 

 26-4 

 36-3 

 26-4 

 26-4 

 19-8 

 19-8 

 29-7 



Sterilised Carnation ste 



Inoculated 13. vii. 14. 



17. vii. 14. Dense, slightly pinkish growth, on the stalk is decidedly 

 fluffy, but surface more mildewy. Numerous conidia 

 of various lengths and different septations. 



XXXVII, fig. 4.) 



