DISEASES IN GREENHOUSE 107 



fungus is hyaline, closely septate, and 

 branched (fig. 10a) when grown in the 

 substratum of the media. The aerial my- 



FiG. 10. a SHOWING mycelium of Chatomium Spirochate. 

 b HAIRS, c and d asci. e ascospores. 



celium consists of long unbranched fila- 

 ments varying in color from light to deep 

 lemon. The yellow seems to be produced 

 within the fungus hyphse which later is 

 also transmitted to the media. In pure 

 culture the fungus produces its perithecia 



