63 



Ascospores, 8, monostichous, 10— 13XB— 5 mikron, distinctly 

 constricted at the septa. 



Fusarium spores 30—60 X 3 — 5 mikron, 4—6 septate, dor- 

 siventral, slightly incurvate, bottleshaped at the top, with a 

 distinct foot. Spores yellow, varying in size, non-septate (Ce- 

 phalosporium) in young cultures, later on in irregular clumps 

 (pionnotes, coremia). Conidiophore ranch ramified, sometimes 

 verticillate. 



Colour in pure culture varying, never blue or violet; at first 

 white, afterwards yellow, green, olive-coloured, orange, at last 

 nearly black. 



Buitenzorg, December 1912. 



