184 



MICRO-ORGANISMS AND FERMENTATION. 



found in traces ; their former place of attachment to the 

 main/ filament appears only as a slightly raised scar. The 

 member immediately below can now displace the shrivelled 

 apex, grow upwards, and form a new cluster ; this may be 

 repeated several times, whereby the conidiophores attain a 



Fig. 32. Botrytig cinerea (after de Bary). a, b (natural size), Selerotia, from which at a the 

 conidiophores, at b the apothecia (fruits with asci), are thrown out ; c, C, conidiophores (C', with 

 conidia just ripe), springing from the mycelium filament m ; C", end of a conidiophore with the 

 earliest formation of conidia from the ends of the branches ; k, germinating conidium ( x 300) ; 

 p, s (slightly magnified), section through a sclerotium a, from which a very small apothecium 

 (p, p) is thrown up ; n, single ascus, with eight ripe spores ( x 300). 



considerable' length. According to the observations of Rind- 

 fleisch, the formation of conidia takes place only during the 



