314 



XXIII. REPRODUCTION OF FUNGI. 



contents separate into individual portions, which constitute the 

 gonidia (F). When the gonidangium is ripe, the gonidiophore 

 rapidly elongates. In the mycelium, partition walls have already 



FIG. 113*. Mucor Mucedo. A, gonidia ; /, germination of gonidia ; C, the greatly 

 branched thallus (mycelium), proceeding from the gouidium, and commencing to pro- 

 duce erect gonidiophores, which are developed centrifugally ; D, swollen end of a 

 gonidiophore, still continuous throughout ; , separation of the gonidangium by a 

 partition, so as to form the columella ; /*', formation of spores, separated by an in- 

 terstitial substance ; the wall of the gonidangium bristles with crystalline points of 

 oxalate of lime. (From Van Tieghem's Traite de Botanique, after Brefeld.) 



been formed. This stage of the development is attained in, at 

 the outside, three days. 



While we should by no means neglect to get an insight into 



