122 



CLASSIFICATION OF THE MICRO-ORGANISMS. 



brownish red, of the size of a rape seed. Best tempera- 

 ture 34 35 C. 



Fig. 11. Aspergillus fumi- 



gatus X 300. 

 (After Siebenmann.) 



Asp. ochraceus. 

 At first of a flesh colour, 

 later ochre yellow; sphe- 

 rical heads ; branched 

 sterigmata. 



Asp. CllbllS. Pure v^nco. jicueimiH,iiii.; 



\V h i t, P in oil t\ n v t o -^ *ke lower part on the left side 

 all p a 1 1 S , the s terigmata have been removed 

 iviomfltn.. artificially. 



12. Aspergillus niger X 300. 

 (After Siebenmann.) 



the left side 



branched sterigmata. artificially. 



Asp. clavatus. Greenish; club-shaped bladders on 

 very long and strong fruit hyphae ; very small conidia. 



-ja^/^ft^ 



Fig. 13. Eurotium aspergillus 

 glaucus X 300. (After Sie- 

 bonmann.) 



Fig. 14. Eurotium repens X 300. 

 (After Siebenmann.) 



The eurotium forms possess mycelium and conidia 

 bearers like the true aspergilli. The perithecia, the 



