FIG. 70. Mucor mucedo. A, a portion of the mycelium with hyphae, 1, 1, 

 rising from it bearing sporangia, 2, 2 ; B, a piece of a hypha, showing the 

 structure; C, a young sporangium, showing the formation of the partition 

 which cuts it off from the hypha ; D, a nearly ripe sporangium, filled with 

 spores, and showing the columella extending into it; E, a fully ripened 

 sporangium discharging its spores and mucilage ; F, a part of E more highly 

 magnified ; G, the columella with the collar attached ; H, spores beginning 

 to germinate ; I, the same developing into mycelia ; K^-K 5 , five stages in 

 conjugation, showing the progress from the beginning of the conjugation 

 in K l up to the complete zygospore in K 5 ; L, L, ferment cells that have 

 developed from submerged hyphae. (Parker.) 



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