THE MOULD-FUNGI. 



99 



is formed which is shaped like a raceme or a bunch of grapes. 

 When longitudinal growth is at an end, the interior of the 



C" 



FIG. 26. Botrytis Cinerea (after DE BARY) : a, b (natm-al size), Sclerotia, from which 

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

 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 s, from which a very small apothecium (p, p) is thrown up ; n, single 

 ascus, with eight ripe spores ( x 300). 



branches is separated from the main stem by the formation of 

 a transverse wall close to the latter. At the same time the 

 ends of the branches and of the main stem swell, aud on 



